Due to various Parliamentary Acts the numbers of law enforcement agencies in the United Kingdom has varied drastically since the Metropolitan Police Act

Metropolitan Police Act

Metropolitan Police Act is a stock short title used for legislation relating to the metropolitan police.*The Metropolitan Police Act 1829*The Metropolitan Police Act 1839*The Metropolitan Police Act 1856...

 of 1829 set up the first modern police force in London.

There are currently over 60 law enforcement agencies operating in the United Kingdom. See List of law enforcement agencies in the United Kingdom for these.

See also: :Category:Defunct police forces of the United Kingdom.
For former (non-police) law enforcement agencies, see :Category:Defunct law enforcement agencies of the United Kingdom.

Abolished before 1889

The County Police Act 1840 allowed for borough police forces to voluntarily amalgamate with county constabularies.

• Abingdon Borough Police, to Berkshire
• Andover Borough Police (1846, to Hampshire)
• Banbury Borough Police, to Oxfordshire
• Bodmin Borough Police (1865, to Cornwall)
• Bradninch Borough Police (1865, to Devon)
• Chipping Norton Borough Police, to Oxfordshire
• Henley Borough Police, to Oxfordshire
• Honiton Borough Police; (to Devon County)
• Launceston Borough Police (1883, to Cornwall)
• Liskeard Borough Police (1877, to Cornwall)
• Lymington Borough Police (1852, to Hampshire)
• Monmouth Borough Police (1881, to Monmouthshire)
• Newbury Borough Police (1875, to Berkshire)
• Okehampton Borough Police (1860, to Devon)
• Romsey Borough Police (1865, to Hampshire)
• South Molton Borough Police (1877, to Devon)
• Tavistock Borough Police (1856, to Devon)
• Thames River Police, absorbed into the London Metropolitan Police in 1839
• Torrington Borough Police (1870, then again from 1878–1886, to Devon)
• Torquay Borough Police (1870, to Devon)
• Totnes Borough Police (1884, to Devon)
• Wallingford Borough Police, to Berkshire
• Wantage Borough Police, to Berkshire
• Warwick Borough Police (1875, to Warwickshire)
• Wolborough Borough Police (1859, to Devon)

Abolished under the Local Government Act 1888

The Act, which came into force in 1889 passed control of county constabularies to standing joint committees of county councillors and magistrates, and merged smaller borough police forces (where the town had a population of less than 10,000) with the county police.

• Basingstoke Borough Police (1889, to Hampshire)
• Bideford Borough Police (1889, to Devon)
• Buckingham Borough Police (1889 to Buckinghamshire)
• Deal Borough Police (1889, to Kent)
• Falmouth Borough Police (1889, to Cornwall)
• Faversham Borough Police (1889, to Kent)
• Helston Borough Police (1889, to Cornwall)
• Hertford Borough Police (1889, to Hertfordshire)
• Hythe Borough Police (1889, to Kent)
• Maidenhead Borough Police (1889, to Berkshire)
• Newport Borough Police (1890, to Isle of Wight)
• Penryn Borough Police (1889, to Cornwall)
• Sandwich Borough Police (1889, to Kent)
• Stratford-upon-Avon Borough Police (1889, to Warwickshire)
• St Ives Borough Police (1889, to Huntingdonshire)
• Tenterden Borough Police (1889, to Kent)

Abolished 1890–1942

• Barnstaple Borough Police (1921, to Devon)
• Berwick upon Tweed Police (1921, to Northumberland)
• Devonport Borough Police (1914, to Plymouth)
• Hanley Borough Police (1910, to Stoke-on-Trent Borough Police)
• Ryde Borough Police (1922, to Isle of Wight)
• Stonehouse District Police (1914 to Plymouth)
• Truro City Police (1921, to Cornwall)

Abolished under the Defence (Amalgamation of Police Forces) Regulations 1942

• Dover Borough Police (1943, to Kent)
• Folkestone Borough Police (1943, to Kent)
• Maidstone Borough Police (1943, to Kent)
• Margate Borough Police (1943, to Kent)
• Ramsgate Borough Police (1943, to Kent)
• Rochester City Police (1943, to Kent)
• Tiverton Borough Police (1943, to Devon)
• Tunbridge Wells Police Force (1943, to Kent)
• Winchester City Police (1942, to Hampshire Joint)
• Guildford Borough Police (1943 to Surrey)
• Reigate Borough Police (1943 to Surrey)
• Salisbury City Police
  Salisbury City Police
  Salisbury City Police was a British police force that existed officially between 1835 and 1943. It was absorbed by Wiltshire Constabulary during the Second World War.-History:...
  
   (1943 to Wiltshire Constabulary
  Wiltshire Constabulary
  Wiltshire Police, formerly known as the Wiltshire Constabulary, is the territorial police force responsible for policing Wiltshire and Swindon in the south-west of England.-History:...
  
  )

Abolished under the Police Act 1946

Non-county borough forces

• Accrington Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Ashton-under-Lyne Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Bacup Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Bedford Borough Police; to Bedfordshire Constabulary
• Boston Borough Police; to Lincolnshire Constabulary
• Carmarthen Borough Police; to Carmarthenshire Constabulary
• Chepping Wycombe Borough Police; to Buckinghamshire Constabulary
  Buckinghamshire Constabulary
  Buckinghamshire Constabulary was the Home Office police force for the county of Buckinghamshire, England, until 1968.Buckinghamshire Constabulary was established in 1857. It later absorbed Buckingham Borough Police and Chepping Wycombe Borough Police...
  
  
• Chesterfield Borough Police; to Derbyshire Constabulary
  Derbyshire Constabulary
  Derbyshire Constabulary is the territorial police force responsible for policing the county of Derbyshire, England. The force covers an area of over with a population of just under one million.-Organisation and structure:...
  
  
• Clitheroe Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Colchester Borough Police; to Essex Constabulary
• Congleton Borough Police; to Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  
• Glossop Borough Police; to Derbyshire Constabulary
  Derbyshire Constabulary
  Derbyshire Constabulary is the territorial police force responsible for policing the county of Derbyshire, England. The force covers an area of over with a population of just under one million.-Organisation and structure:...
  
  
• Grantham Borough Police; to Lincolnshire Constabulary
• Hartlepool Borough Police; to Durham Constabulary
  Durham Constabulary
  Durham Constabulary is the territorial police force responsible for policing the non-metropolitan county of County Durham and the unitary authority of Darlington. The force covers the 2,232 km² of the county which has a resident population of 595,308. It is one of the smaller forces of the...
  
  
• Hereford Borough Police; to Herefordshire Constabulary
  Herefordshire Constabulary
  Herefordshire Constabulary was the Home Office police force for the county of Herefordshire, England, until 1967.The force was formed in 1857. In 1965, it had an establishment of 257 and an actual strength of 221, making it the second smallest county police force in England after West Suffolk...
  
  
• Hyde Borough Police; to Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  
• Isles of Scilly Police (1947, to Cornwall)
• Kendal Borough Police; to Cumberland and Westmorland Constabulary
• Kidderminster Borough Police; to Worcestershire Constabulary
• King's Lynn Borough Police; to Norfolk Constabulary
  Norfolk Constabulary
  Norfolk Constabulary is the territorial police force responsible for the county of Norfolk in England. As of March 2009 the force had a strength of 1,668 police officers, 243 Special Constables, 277 PCSOs and just over 1,300 police staff.-History:...
  
  
• Lancaster Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Leamington Spa Borough Police; to Warwickshire Constabulary
• Luton Borough Police; to Bedfordshire Constabulary
• Macclesfield Borough Police; to Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  
• Neath Borough Police; to Glamorgan Constabulary
  Glamorgan Constabulary
  Glamorgan Constabulary, or Glamorganshire Constabulary, was the Home Office police force for the county of Glamorgan, Wales.The force was formed in 1841...
  
  
• Newark Borough Police; to Nottinghamshire Constabulary
• Newcastle-under-Lyme Borough Police; to Staffordshire Constabulary
• Peterborough City Police; to Peterborough Combined Police Force
• Penzance Borough Police; to Cornwall County Constabulary
  Cornwall County Constabulary
  Cornwall County Constabulary was the Home Office police force for the county of Cornwall, England, until 1967.The force was formed in 1857. It absorbed Bodmin Borough Police in 1865, Liskeard Borough Police in 1877, Launceston Borough Police in 1883, Falmouth Borough Police and Helston Borough...
  
  
• St. Albans City Police; to Hertfordshire Constabulary
  Hertfordshire Constabulary
  Hertfordshire Constabulary is the territorial police force responsible for policing the county of Hertfordshire in England. Its headquarters is situated in Welwyn Garden City...
  
  
• Scarborough Borough Police; to North Riding Constabulary
• Shrewsbury Borough Police; to Shropshire Constabulary
• Stalybridge Borough Police; to Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  
• Windsor Borough Police; to Berkshire Constabulary
  Berkshire Constabulary
  Berkshire Constabulary is a former Home Office police force which was responsible for policing the county of Berkshire in Southern England. Berkshire Constabulary was merged with several other adjacent police forces in 1968 to form the Thames Valley Police....
  
  

County borough forces

• Chester City Police; to Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  
• Canterbury City Police; to Kent Constabulary
  Kent Police
  Kent Police is the territorial police force for Kent in England, including the unitary authority of Medway.-Area and organisation:The force covers an area of with an approximate population of 1,660,588 . The Chief Constable is currently Ian Learmonth, who was appointed in 2010 and is the former...
  
  

County forces

• Anglesey Constabulary; to Gwynedd Constabulary
  Gwynedd Constabulary
  Gwynedd Constabulary was the Home Office police force for the counties of Caernarfonshire, Anglesey and Merionethshire, Wales.The force was formed in 1950 by the merger of Caernarfonshire Constabulary, Anglesey Constabulary and Merionethshire Constabulary...
  
  
• Breconshire Constabulary; to Mid Wales Constabulary
  Mid Wales Constabulary
  Mid-Wales Constabulary was the Home Office police force for the counties of Brecknockshire, Radnorshire and Montgomeryshire, Wales, between 1948 and 1968....
  
  
• Caernarvonshire Constabulary; to Gwynedd Constabulary
  Gwynedd Constabulary
  Gwynedd Constabulary was the Home Office police force for the counties of Caernarfonshire, Anglesey and Merionethshire, Wales.The force was formed in 1950 by the merger of Caernarfonshire Constabulary, Anglesey Constabulary and Merionethshire Constabulary...
  
  
• Cardiganshire Constabulary; to Carmarthenshire and Cardiganshire Constabulary
  Carmarthenshire and Cardiganshire Constabulary
  Carmarthenshire and Cardiganshire Constabulary was the Home Office police force for the counties of Carmarthenshire and Cardiganshire, Wales.It was created on 1 July 1958 by the amalgamation of Carmarthenshire Constabulary and Cardiganshire Constabulary under section 4 of the Police Act 1946...
  
  
• Carmarthenshire Constabulary; to Carmarthenshire and Cardiganshire Constabulary
  Carmarthenshire and Cardiganshire Constabulary
  Carmarthenshire and Cardiganshire Constabulary was the Home Office police force for the counties of Carmarthenshire and Cardiganshire, Wales.It was created on 1 July 1958 by the amalgamation of Carmarthenshire Constabulary and Cardiganshire Constabulary under section 4 of the Police Act 1946...
  
  
• Isle of Wight Constabulary; to Hampshire Constabulary
  Hampshire Constabulary
  Hampshire Constabulary is the territorial police force responsible for policing Hampshire and the Isle of Wight in southern England.The force area includes the cities of Winchester, Southampton and Portsmouth...
  
  
• Merionethshire Constabulary; to Gwynedd Constabulary
  Gwynedd Constabulary
  Gwynedd Constabulary was the Home Office police force for the counties of Caernarfonshire, Anglesey and Merionethshire, Wales.The force was formed in 1950 by the merger of Caernarfonshire Constabulary, Anglesey Constabulary and Merionethshire Constabulary...
  
  
• Montgomeryshire Constabulary; to Mid Wales Constabulary
  Mid Wales Constabulary
  Mid-Wales Constabulary was the Home Office police force for the counties of Brecknockshire, Radnorshire and Montgomeryshire, Wales, between 1948 and 1968....
  
  
• Radnorshire Constabulary; to Mid Wales Constabulary
  Mid Wales Constabulary
  Mid-Wales Constabulary was the Home Office police force for the counties of Brecknockshire, Radnorshire and Montgomeryshire, Wales, between 1948 and 1968....
  
  
• Leicestershire Constabulary
  Leicestershire Constabulary
  Leicestershire Constabulary is the territorial police force responsible for policing Leicestershire, Leicester and Rutland in England. Its headquarters are at Enderby, Leicestershire.The current Chief Constable is Simon Cole.-History:...
  
  ; to Leicestershire and Rutland Constabulary
• Liberty of Peterborough Constabulary; to Peterborough Combined Police Force
• Rutland Constabulary; to Leicestershire and Rutland Constabulary

Abolished under the Police Act 1964

Borough forces

• Bath City Police
  Bath City Police
  The Bath City Police was a British police force that existed before 1967 and covered the county borough of Bath. It was merged with the Somerset Constabulary in 1967 to form the short-lived Somerset and Bath Constabulary, which in 1972 amalgamated into the Avon and Somerset Constabulary....
  
  ; to Somerset and Bath Constabulary
  Somerset and Bath Constabulary
  Somerset and Bath Constabulary was a short-lived police force in England from 1967 to 1974. It was created as a merger of the Somerset Constabulary and Bath City Police and covered the administrative county of Somerset and the county borough of Bath...
  
  
• Barnsley Borough Police
  Barnsley Borough Police
  Barnsley Borough Police was the police force operating in county borough of Barnsley, England until 1 October 1968. The force was merged with other forces in 1968 to form the West Yorkshire Constabulary. The area passed to the South Yorkshire Police in 1974....
  
  ; to West Yorkshire Constabulary
  West Yorkshire Constabulary
  The West Yorkshire Constabulary was, from 1968 to 1974, the statutory police force for the West Riding of Yorkshire, in northern England.It was formed under the Police Act 1964, and was a merger of the previous West Riding Constabulary along with six borough forces for the county boroughs of...
  
  
• Barrow-in-Furness Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Birkenhead Borough Police; to Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  
• Blackburn Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Blackpool Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Bolton Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Bootle Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Bournemouth Borough Police; to Dorset and Bournemouth Constabulary
• Brighton Borough Police; to Sussex Constabulary
• Burnley Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Bury Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Cambridge City Police; to Mid Anglia Constabulary
• Cardiff Borough Police; to South Wales Police
  South Wales Police
  South Wales Police is one of the four territorial police forces in Wales. Its headquarters are based in Bridgend.Covering Wales' capital city, Cardiff, as well as Bridgend, Merthyr Tydfil, Swansea, and the western South Wales Valleys, it is the largest police force in Wales in terms of population,...
  
  
• Carlisle City Police; to Cumbria Constabulary
  Cumbria Constabulary
  Cumbria Constabulary is the territorial police force in England covering Cumbria. It is currently the fifth-largest force in England and Wales in terms of geographic area but one of the smallest in terms of officer numbers. Given the force area's size and population of just under 500,000, it is...
  
  
• Coventry City Police; to Warwickshire and Coventry Constabulary
• Derby Borough Police; to Derby County and Borough Constabulary
• Dewsbury Borough Police; to West Yorkshire Constabulary
  West Yorkshire Constabulary
  The West Yorkshire Constabulary was, from 1968 to 1974, the statutory police force for the West Riding of Yorkshire, in northern England.It was formed under the Police Act 1964, and was a merger of the previous West Riding Constabulary along with six borough forces for the county boroughs of...
  
  
• Doncaster Borough Police
  Doncaster Borough Police
  Doncaster Borough Police was the police force operating in the county borough of Doncaster, England until 1 October, 1968. The force was then merged with others to form a West Yorkshire Constabulary. From 1974 its area passed to the South Yorkshire Police....
  
  ; to West Yorkshire Constabulary
  West Yorkshire Constabulary
  The West Yorkshire Constabulary was, from 1968 to 1974, the statutory police force for the West Riding of Yorkshire, in northern England.It was formed under the Police Act 1964, and was a merger of the previous West Riding Constabulary along with six borough forces for the county boroughs of...
  
  
• Eastbourne Borough Police; to Sussex Constabulary
• Exeter City Police; to Devon and Exeter Constabulary
• Gateshead Borough Police; to Durham Constabulary
  Durham Constabulary
  Durham Constabulary is the territorial police force responsible for policing the non-metropolitan county of County Durham and the unitary authority of Darlington. The force covers the 2,232 km² of the county which has a resident population of 595,308. It is one of the smaller forces of the...
  
  
• Great Yarmouth Borough Police; to Norfolk Constabulary
  Norfolk Constabulary
  Norfolk Constabulary is the territorial police force responsible for the county of Norfolk in England. As of March 2009 the force had a strength of 1,668 police officers, 243 Special Constables, 277 PCSOs and just over 1,300 police staff.-History:...
  
  
• Grimsby Borough Police; to Lincolnshire Constabulary
• Hastings Borough Police; to Sussex Constabulary
• Halifax Borough Police; to West Yorkshire Constabulary
  West Yorkshire Constabulary
  The West Yorkshire Constabulary was, from 1968 to 1974, the statutory police force for the West Riding of Yorkshire, in northern England.It was formed under the Police Act 1964, and was a merger of the previous West Riding Constabulary along with six borough forces for the county boroughs of...
  
  
• Huddersfield Borough Police; to West Yorkshire Constabulary
  West Yorkshire Constabulary
  The West Yorkshire Constabulary was, from 1968 to 1974, the statutory police force for the West Riding of Yorkshire, in northern England.It was formed under the Police Act 1964, and was a merger of the previous West Riding Constabulary along with six borough forces for the county boroughs of...
  
  
• Ipswich Borough Police; to Suffolk Constabulary
  Suffolk Constabulary
  Suffolk Constabulary is the territorial police force responsible for policing Suffolk in East Anglia, England.Suffolk Constabulary is responsible for policing an area of , with a population of...
  
  
• Leicester City Police
  Leicester City Police
  The city of Leicester in England was policed independently until 1 April 1967 when its police force was merged with the Leicestershire and Rutland Constabulary to form the Leicester and Rutland Constabulary....
  
  ; to Leicester and Rutland Constabulary
• Lincoln City Police; to Lincolnshire Constabulary
• Liverpool City Police; to Liverpool and Bootle Constabulary
  Liverpool and Bootle Constabulary
  Liverpool and Bootle Constabulary was a short-lived police force in England from April 1, 1967 to April 1, 1974. It was created as a merger of the Liverpool City Police and Bootle Borough Police, and covered the adjacent county boroughs of Liverpool and Bootle...
  
  
• Luton Borough Police (again); to Bedfordshire and Luton Constabulary
• Manchester City Police
  Manchester City Police
  The Manchester City Police was, from the early 19th century until 1968, the territorial police force of the city of Manchester, in northern England.Under the provisions of the Police Act 1964, Manchester City Police merged with the Salford City Police to create the...
  
  ; to Manchester and Salford Police
  Manchester and Salford Police
  Manchester and Salford Police was, from June 1, 1968 to April 1, 1974, a police force in England. It was created as a merger of the Manchester City Police and Salford City Police, and covered the adjacent county boroughs of Manchester and Salford...
  
  
• Merthyr Tydfil Borough Police; to South Wales Constabulary
• Middlesbrough Borough Police
  Middlesbrough Borough Police
  Middlesbrough Borough Police, sometimes referred to as Middlesbrough Constabulary, was the police force of Middlesbrough, England. On 1 April 1968, the force was amalgamated into Teesside Constabulary, which itself became part of Cleveland Constabulary in 1974.In 1934, the force had a strength of...
  
  ; to Teesside
• Newcastle upon Tyne Borough Police; to Northumberland Constabulary
  Northumberland Constabulary
  Northumberland Constabulary was the Home Office police force for the county of Northumberland, England, until 1974.Northumberland Constabulary absorbed Berwick-upon-Tweed Borough Police in 1921 and Newcastle upon Tyne City Police and Tynemouth Borough Police in the late 1960s, more than doubling...
  
  
• Newport Borough Police
  Newport Borough Police (Monmouthshire)
  The Newport Borough Police was the police force for the borough of Newport, Monmouthshire between 1836 and 1967.In 1830 four watchmen were appointed to patrol the streets of Newport for the purpose of maintaining law and order. They also served to protect the people and their property.By 1834...
  
  ; to Gwent Police
  Gwent Police
  Gwent Police is the territorial police force responsible for policing the local authority areas of Blaenau Gwent, Caerphilly, Monmouthshire, Newport and Torfaen in southeast Wales....
  
  
• Northampton Borough Police; to Northampton and County Constabulary
• Norwich City Police; to Norfolk Constabulary
  Norfolk Constabulary
  Norfolk Constabulary is the territorial police force responsible for the county of Norfolk in England. As of March 2009 the force had a strength of 1,668 police officers, 243 Special Constables, 277 PCSOs and just over 1,300 police staff.-History:...
  
  
• Nottingham City Police; to Nottinghamshire Combined Constabulary
• Oldham Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Oxford City Police; to Thames Valley Constabulary
• Plymouth City Police; to Devon and Cornwall Constabulary
  Devon and Cornwall Constabulary
  Devon and Cornwall Police, formerly Devon and Cornwall Constabulary, is the territorial police force responsible for policing the counties of Devon and Cornwall in England and the unitary authorities of Plymouth, Torbay and the Isles of Scilly....
  
  
• Portsmouth Borough Police; to Hampshire Constabulary
  Hampshire Constabulary
  Hampshire Constabulary is the territorial police force responsible for policing Hampshire and the Isle of Wight in southern England.The force area includes the cities of Winchester, Southampton and Portsmouth...
  
  
• Preston Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Reading Borough Police
  Reading Borough Police
  The Reading Borough Police was a police force for the borough of Reading in the United Kingdom. The force was created in 1836, at which time it had a strength of 30 constables, two sergeants and two inspectors....
  
  ; to Thames Valley Constabulary
• Rochdale Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Rotherham Borough Police; to Sheffield and Rotherham Constabulary
  Sheffield and Rotherham Constabulary
  Sheffield and Rotherham Constabulary was a short-lived police force in England from June 1, 1967 to April 1, 1974. It was created as a merger of the Sheffield City Police and Rotherham Borough Police, and covered the adjacent county boroughs of Sheffield and Rotherham...
  
  
• Salford City Police; to Manchester and Salford Police
  Manchester and Salford Police
  Manchester and Salford Police was, from June 1, 1968 to April 1, 1974, a police force in England. It was created as a merger of the Manchester City Police and Salford City Police, and covered the adjacent county boroughs of Manchester and Salford...
  
  
• Sheffield Borough Police; to Sheffield and Rotherham Constabulary
  Sheffield and Rotherham Constabulary
  Sheffield and Rotherham Constabulary was a short-lived police force in England from June 1, 1967 to April 1, 1974. It was created as a merger of the Sheffield City Police and Rotherham Borough Police, and covered the adjacent county boroughs of Sheffield and Rotherham...
  
  
• St Helens Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Stockport Borough Police; to Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  
• Stoke-on-Trent City Police; to Staffordshire County and Stoke-on-Trent Constabulary
• Southampton City Police; to Hampshire Constabulary
  Hampshire Constabulary
  Hampshire Constabulary is the territorial police force responsible for policing Hampshire and the Isle of Wight in southern England.The force area includes the cities of Winchester, Southampton and Portsmouth...
  
  
• Southend-on-Sea Borough Police
  Southend-on-Sea Borough Police
  The Southend-on-Sea Borough Police is a police force that was established by the county borough of Southend-on-Sea in 1914. This force existed independently until 1969....
  
  ; to Essex and Southend-on-Sea Joint Constabulary
• South Shields Borough Police; to Durham Constabulary
  Durham Constabulary
  Durham Constabulary is the territorial police force responsible for policing the non-metropolitan county of County Durham and the unitary authority of Darlington. The force covers the 2,232 km² of the county which has a resident population of 595,308. It is one of the smaller forces of the...
  
  
• Southport Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Sunderland Borough Police; to Durham Constabulary
  Durham Constabulary
  Durham Constabulary is the territorial police force responsible for policing the non-metropolitan county of County Durham and the unitary authority of Darlington. The force covers the 2,232 km² of the county which has a resident population of 595,308. It is one of the smaller forces of the...
  
  
• Swansea Borough Police; to South Wales Constabulary
• Tynemouth Borough Police; to Northumberland Constabulary
  Northumberland Constabulary
  Northumberland Constabulary was the Home Office police force for the county of Northumberland, England, until 1974.Northumberland Constabulary absorbed Berwick-upon-Tweed Borough Police in 1921 and Newcastle upon Tyne City Police and Tynemouth Borough Police in the late 1960s, more than doubling...
  
  
• Wakefield City Police; to West Yorkshire Constabulary
  West Yorkshire Constabulary
  The West Yorkshire Constabulary was, from 1968 to 1974, the statutory police force for the West Riding of Yorkshire, in northern England.It was formed under the Police Act 1964, and was a merger of the previous West Riding Constabulary along with six borough forces for the county boroughs of...
  
  
• Wallasey Borough Police; to Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  
• Warrington Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Wigan Borough Police; to Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  
• Worcester City Police; to West Mercia Constabulary
  West Mercia Constabulary
  West Mercia Police, formerly known as West Mercia Constabulary, is the territorial police force responsible for policing the counties of Shropshire , Herefordshire and Worcestershire in England. The force area covers making it the fourth largest police area in England and Wales...
  
  
• York City Police; to York and North East Yorkshire Police
  York and North East Yorkshire Police
  The York and North East Yorkshire Police was a police force in England from 1968 to 1974, covering the North Riding of Yorkshire, the East Riding of Yorkshire and the county borough of York. It was a merger of the two riding forces with the York City Police...
  
  

County/combined forces

• Bedfordshire Constabulary; to Bedfordshire and Luton Constabulary
• Berkshire Constabulary
  Berkshire Constabulary
  Berkshire Constabulary is a former Home Office police force which was responsible for policing the county of Berkshire in Southern England. Berkshire Constabulary was merged with several other adjacent police forces in 1968 to form the Thames Valley Police....
  
  ; to Thames Valley Constabulary
• Buckinghamshire Constabulary
  Buckinghamshire Constabulary
  Buckinghamshire Constabulary was the Home Office police force for the county of Buckinghamshire, England, until 1968.Buckinghamshire Constabulary was established in 1857. It later absorbed Buckingham Borough Police and Chepping Wycombe Borough Police...
  
  ; to Thames Valley Constabulary
• Cambridgeshire Constabulary
  Cambridgeshire Constabulary
  Cambridgeshire Constabulary is the territorial police force responsible for law enforcement within the ceremonial county of Cambridgeshire in the United Kingdom. In addition to the non-metropolitan county, the Police area includes the city of Peterborough, which became a unitary authority area in...
  
   (original); to Mid Anglia Constabulary
• Carmarthenshire and Cardiganshire Constabulary
  Carmarthenshire and Cardiganshire Constabulary
  Carmarthenshire and Cardiganshire Constabulary was the Home Office police force for the counties of Carmarthenshire and Cardiganshire, Wales.It was created on 1 July 1958 by the amalgamation of Carmarthenshire Constabulary and Cardiganshire Constabulary under section 4 of the Police Act 1946...
  
  ; to Dyfed-Powys Constabulary
• Cornwall County Constabulary
  Cornwall County Constabulary
  Cornwall County Constabulary was the Home Office police force for the county of Cornwall, England, until 1967.The force was formed in 1857. It absorbed Bodmin Borough Police in 1865, Liskeard Borough Police in 1877, Launceston Borough Police in 1883, Falmouth Borough Police and Helston Borough...
  
  ; to Devon and Cornwall Constabulary
  Devon and Cornwall Constabulary
  Devon and Cornwall Police, formerly Devon and Cornwall Constabulary, is the territorial police force responsible for policing the counties of Devon and Cornwall in England and the unitary authorities of Plymouth, Torbay and the Isles of Scilly....
  
  
• Cumberland and Westmorland Constabulary; to Cumbria Constabulary
  Cumbria Constabulary
  Cumbria Constabulary is the territorial police force in England covering Cumbria. It is currently the fifth-largest force in England and Wales in terms of geographic area but one of the smallest in terms of officer numbers. Given the force area's size and population of just under 500,000, it is...
  
  
• Derbyshire Constabulary
  Derbyshire Constabulary
  Derbyshire Constabulary is the territorial police force responsible for policing the county of Derbyshire, England. The force covers an area of over with a population of just under one million.-Organisation and structure:...
  
  ; to Derby County and Borough Constabulary
• Devon County Constabulary
  Devon County Constabulary
  Devon County Constabulary was the Home Office police force for the county of Devon, England, until 1966.The force was formed in 1856. It absorbed Tavistock Borough Police in 1856, Wolborough Borough Police in 1859, Okehampton Borough Police in 1860, Bradninch Borough Police in 1865, Torquay Borough...
  
  ; to Devon and Exeter Constabulary
• Devon and Exeter Constabulary; to Devon and Cornwall Constabulary
  Devon and Cornwall Constabulary
  Devon and Cornwall Police, formerly Devon and Cornwall Constabulary, is the territorial police force responsible for policing the counties of Devon and Cornwall in England and the unitary authorities of Plymouth, Torbay and the Isles of Scilly....
  
  
• Dorset Constabulary; to Dorset and Bournemouth Constabulary
• East Riding Constabulary; to York and North East Yorkshire Police
  York and North East Yorkshire Police
  The York and North East Yorkshire Police was a police force in England from 1968 to 1974, covering the North Riding of Yorkshire, the East Riding of Yorkshire and the county borough of York. It was a merger of the two riding forces with the York City Police...
  
  
• East Suffolk Constabulary; to Suffolk Constabulary
  Suffolk Constabulary
  Suffolk Constabulary is the territorial police force responsible for policing Suffolk in East Anglia, England.Suffolk Constabulary is responsible for policing an area of , with a population of...
  
  
• East Sussex Constabulary; to Sussex Constabulary
• Essex Constabulary; to Essex and Southend-on-Sea Joint Constabulary
• Glamorgan Constabulary
  Glamorgan Constabulary
  Glamorgan Constabulary, or Glamorganshire Constabulary, was the Home Office police force for the county of Glamorgan, Wales.The force was formed in 1841...
  
  ; to South Wales Constabulary
• Herefordshire Constabulary
  Herefordshire Constabulary
  Herefordshire Constabulary was the Home Office police force for the county of Herefordshire, England, until 1967.The force was formed in 1857. In 1965, it had an establishment of 257 and an actual strength of 221, making it the second smallest county police force in England after West Suffolk...
  
  ; to West Mercia Constabulary
  West Mercia Constabulary
  West Mercia Police, formerly known as West Mercia Constabulary, is the territorial police force responsible for policing the counties of Shropshire , Herefordshire and Worcestershire in England. The force area covers making it the fourth largest police area in England and Wales...
  
  
• Huntingdonshire Constabulary; to Mid Anglia Constabulary
• Isle of Ely Constabulary; to Mid Anglia Constabulary
• Leicestershire and Rutland Constabulary; to Leicester and Rutland Constabulary
• Mid Wales Constabulary
  Mid Wales Constabulary
  Mid-Wales Constabulary was the Home Office police force for the counties of Brecknockshire, Radnorshire and Montgomeryshire, Wales, between 1948 and 1968....
  
  ; to Dyfed-Powys Constabulary
• Monmouthshire Constabulary
  Monmouthshire Constabulary
  Monmouthshire Constabulary was the Home Office police force for the county of Monmouthshire , United Kingdom until 1967.The force was established in 1857...
  
  ; to Gwent Constabulary
• North Riding Constabulary; to York and North East Yorkshire Police
  York and North East Yorkshire Police
  The York and North East Yorkshire Police was a police force in England from 1968 to 1974, covering the North Riding of Yorkshire, the East Riding of Yorkshire and the county borough of York. It was a merger of the two riding forces with the York City Police...
  
  
• Northamptonshire Constabulary; to Northampton and County Constabulary
• Northumberland County Constabulary; to Northumberland Constabulary
  Northumberland Constabulary
  Northumberland Constabulary was the Home Office police force for the county of Northumberland, England, until 1974.Northumberland Constabulary absorbed Berwick-upon-Tweed Borough Police in 1921 and Newcastle upon Tyne City Police and Tynemouth Borough Police in the late 1960s, more than doubling...
  
  
• Nottinghamshire Constabulary; to Nottinghamshire Combined Constabulary
• Peterborough Combined Police Force; to Mid Anglia Constabulary
• Oxfordshire Constabulary
  Oxfordshire Constabulary
  Oxfordshire Constabulary was the Home Office police force for the county of Oxfordshire, England, until 1968.Oxfordshire Constabulary was established in 1857. It later absorbed Banbury Borough Police and Chipping Norton Borough Police and Henley Borough Police...
  
  ; to Thames Valley Constabulary
• Shropshire Constabulary; to West Mercia Constabulary
  West Mercia Constabulary
  West Mercia Police, formerly known as West Mercia Constabulary, is the territorial police force responsible for policing the counties of Shropshire , Herefordshire and Worcestershire in England. The force area covers making it the fourth largest police area in England and Wales...
  
  
• Somerset Constabulary; to Somerset and Bath Constabulary
  Somerset and Bath Constabulary
  Somerset and Bath Constabulary was a short-lived police force in England from 1967 to 1974. It was created as a merger of the Somerset Constabulary and Bath City Police and covered the administrative county of Somerset and the county borough of Bath...
  
  
• Staffordshire Constabulary; to Staffordshire County and Stoke-on-Trent Constabulary
• West Riding Constabulary; to West Yorkshire Constabulary
  West Yorkshire Constabulary
  The West Yorkshire Constabulary was, from 1968 to 1974, the statutory police force for the West Riding of Yorkshire, in northern England.It was formed under the Police Act 1964, and was a merger of the previous West Riding Constabulary along with six borough forces for the county boroughs of...
  
  
• West Suffolk Constabulary; to Suffolk Constabulary
  Suffolk Constabulary
  Suffolk Constabulary is the territorial police force responsible for policing Suffolk in East Anglia, England.Suffolk Constabulary is responsible for policing an area of , with a population of...
  
  
• West Sussex Constabulary; to Sussex Constabulary
• Warwickshire Constabulary; to Warwickshire and Coventry Constabulary
• Worcestershire Constabulary; to West Mercia Constabulary
  West Mercia Constabulary
  West Mercia Police, formerly known as West Mercia Constabulary, is the territorial police force responsible for policing the counties of Shropshire , Herefordshire and Worcestershire in England. The force area covers making it the fourth largest police area in England and Wales...
  
  

Abolished by the Local Government Act 1972

Local Government Act 1972

The Local Government Act 1972 is an Act of Parliament in the United Kingdom that reformed local government in England and Wales on 1 April 1974....

All territorial police forces in England and Wales

England and Wales

England and Wales is a jurisdiction within the United Kingdom. It consists of England and Wales, two of the four countries of the United Kingdom...

 (except the Metropolitan Police and City of London Police) were abolished and reconstituted at midnight on 31 March 1974/1 April 1974. This list shows the ones that existed then and their fate (ignoring minor transfers).

• Bedfordshire and Luton Constabulary; reconstituted as Bedfordshire Police
  Bedfordshire Police
  Bedfordshire Police, is the territorial police force responsible for policing the ceremonial county of Bedfordshire in England, which includes the unitary authorities of Bedford, Central Bedfordshire and Luton. Its headquarters are in Kempston. The county had an estimated population of 602,500 in...
  
  
• Birmingham City Police
  Birmingham City Police
  Birmingham City Police was a police force responsible for policing the city of Birmingham in the West Midlands of England until 1974, when it was amalgamated under the Local Government Act 1972 with West Midlands Constabulary and parts of other forces to form the West Midlands Police. The police...
  
  ; merged into West Midlands Police
  West Midlands Police
  West Midlands Police is the territorial police force responsible for policing the metropolitan county of West Midlands in England.Covering an area with nearly 2.6 million inhabitants, which includes the cities of Birmingham, Coventry, Wolverhampton and also the Black Country; the force is made up...
  
  
• Bradford City Police
  Bradford City Police
  -History:Bradford Borough Charter was granted in 1847, Bradford Corporation acquired all the statutory powers off the old Municipal Corporation. 1848 was the year that the City of Bradford Police Force was almagated, with a Borough HQ No...
  
  ; merged into West Yorkshire Metropolitan Police
• Bristol City Constabulary; merged into Avon and Somerset Constabulary
  Avon and Somerset Constabulary
  Avon & Somerset Constabulary is the territorial police force in England responsible for policing the non-metropolitan county of Somerset, the city & county of Bristol and the unitary authorities of South Gloucestershire, North Somerset and Bath and North East Somerset; before 1996 these districts...
  
  
• Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
  ; reconstituted, areas transferred to Merseyside Police
  Merseyside Police
  Merseyside Police is the territorial police force responsible for policing Merseyside in North West England. The force area is 647 square kilometres with a population of around 1.5 million...
  
   and Greater Manchester Police
  Greater Manchester Police
  Greater Manchester Police is the police force responsible for law enforcement within the metropolitan county of Greater Manchester in North West England...
  
  
• Cumbria Constabulary
  Cumbria Constabulary
  Cumbria Constabulary is the territorial police force in England covering Cumbria. It is currently the fifth-largest force in England and Wales in terms of geographic area but one of the smallest in terms of officer numbers. Given the force area's size and population of just under 500,000, it is...
  
  ; reconstituted
• Derby County and Borough Constabulary; reconstituted as Derbyshire Constabulary
  Derbyshire Constabulary
  Derbyshire Constabulary is the territorial police force responsible for policing the county of Derbyshire, England. The force covers an area of over with a population of just under one million.-Organisation and structure:...
  
  
• Devon and Cornwall Constabulary
  Devon and Cornwall Constabulary
  Devon and Cornwall Police, formerly Devon and Cornwall Constabulary, is the territorial police force responsible for policing the counties of Devon and Cornwall in England and the unitary authorities of Plymouth, Torbay and the Isles of Scilly....
  
  ; reconstituted
• Dorset and Bournemouth Constabulary; reconstituted as Dorset Police
  Dorset Police
  Dorset Police is the territorial police force responsible for policing the English county of Dorset in the south-west of England.-History:Dorset County Constabulary was formed in 1855. On 1 October 1967 it merged with Bournemouth Borough Police to form Dorset and Bournemouth Constabulary...
  
  
• Durham Constabulary
  Durham Constabulary
  Durham Constabulary is the territorial police force responsible for policing the non-metropolitan county of County Durham and the unitary authority of Darlington. The force covers the 2,232 km² of the county which has a resident population of 595,308. It is one of the smaller forces of the...
  
  ; reconstituted, areas transferred to Cleveland Constabulary and Northumbria Police
  Northumbria Police
  Northumbria Police is the territorial police force responsible for policing the areas of Northumberland and Tyne and Wear in North East England. The service is the sixth largest police force in England and Wales. The current Chief Constable is Sue Sim who was appointed by Northumbria Police...
  
  
• Dyfed-Powys Constabulary; reconstituted
• Essex and Southend-on-Sea Joint Constabulary; reconstituted as Essex Police
  Essex Police
  Essex Police is a territorial police force responsible for policing the county of Essex in the east of England.It is one of the largest non-metropolitan police forces in the United Kingdom, employing approximately 3,600 police officers and operating across an area of over and with a population of...
  
  
• Gloucestershire Constabulary
  Gloucestershire Constabulary
  Gloucestershire Constabulary is the territorial police force responsible for policing the non-metropolitan county of Gloucestershire in England...
  
  ; reconstituted, areas transferred to Avon and Somerset Constabulary
  Avon and Somerset Constabulary
  Avon & Somerset Constabulary is the territorial police force in England responsible for policing the non-metropolitan county of Somerset, the city & county of Bristol and the unitary authorities of South Gloucestershire, North Somerset and Bath and North East Somerset; before 1996 these districts...
  
  
• Gwent Constabulary; reconstituted
• Gwynedd Constabulary
  Gwynedd Constabulary
  Gwynedd Constabulary was the Home Office police force for the counties of Caernarfonshire, Anglesey and Merionethshire, Wales.The force was formed in 1950 by the merger of Caernarfonshire Constabulary, Anglesey Constabulary and Merionethshire Constabulary...
  
  ; reconstituted as North Wales Police
  North Wales Police
  North Wales Police is the territorial police force responsible for policing North Wales. The headquarters are in Colwyn Bay, with divisional headquarters in St Asaph, Caernarfon and Wrexham....
  
  
• Hampshire Constabulary
  Hampshire Constabulary
  Hampshire Constabulary is the territorial police force responsible for policing Hampshire and the Isle of Wight in southern England.The force area includes the cities of Winchester, Southampton and Portsmouth...
  
  ; reconstituted, areas transferred to Dorset Police
  Dorset Police
  Dorset Police is the territorial police force responsible for policing the English county of Dorset in the south-west of England.-History:Dorset County Constabulary was formed in 1855. On 1 October 1967 it merged with Bournemouth Borough Police to form Dorset and Bournemouth Constabulary...
  
  
• Hertfordshire Constabulary
  Hertfordshire Constabulary
  Hertfordshire Constabulary is the territorial police force responsible for policing the county of Hertfordshire in England. Its headquarters is situated in Welwyn Garden City...
  
  ; reconstituted
• Kent County Constabulary; reconstituted
• Kingston-upon-Hull City Police; merged into Humberside Police
  Humberside Police
  Humberside Police is the territorial police force responsible for policing an area covering the East Riding of Yorkshire, the city of Kingston upon Hull, North Lincolnshire and North East Lincolnshire...
  
  
• Lancashire Constabulary
  Lancashire Constabulary
  Lancashire Constabulary is the territorial police force responsible for policing the ceremonial county of Lancashire in the North West England. The force's headquarters are at Hutton, near the city of Preston...
  
  ; reconstituted, areas transferred to Merseyside Police
  Merseyside Police
  Merseyside Police is the territorial police force responsible for policing Merseyside in North West England. The force area is 647 square kilometres with a population of around 1.5 million...
  
  , Greater Manchester Police
  Greater Manchester Police
  Greater Manchester Police is the police force responsible for law enforcement within the metropolitan county of Greater Manchester in North West England...
  
  , Cheshire Constabulary
  Cheshire Constabulary
  Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of with a population of roughly 1 million.The Chief Constable of the...
  
   and Cumbria Constabulary
  Cumbria Constabulary
  Cumbria Constabulary is the territorial police force in England covering Cumbria. It is currently the fifth-largest force in England and Wales in terms of geographic area but one of the smallest in terms of officer numbers. Given the force area's size and population of just under 500,000, it is...
  
  
• Leeds City Police
  Leeds City Police
  Leeds City Police was the police force responsible for policing the city of Leeds in northern England from its formation in 1836, until 1974, when it was amalgamated under the Local Government Act 1972 with the Bradford City Police and part of the West Yorkshire Constabulary to form the West...
  
  ; merged into West Yorkshire Metropolitan Police
• Leicester and Rutland Constabulary; reconstituted as Leicestershire Constabulary
  Leicestershire Constabulary
  Leicestershire Constabulary is the territorial police force responsible for policing Leicestershire, Leicester and Rutland in England. Its headquarters are at Enderby, Leicestershire.The current Chief Constable is Simon Cole.-History:...
  
  
• Lincolnshire Constabulary; reconstituted, areas transferred to Humberside Police
  Humberside Police
  Humberside Police is the territorial police force responsible for policing an area covering the East Riding of Yorkshire, the city of Kingston upon Hull, North Lincolnshire and North East Lincolnshire...
  
  
• Liverpool and Bootle Constabulary
  Liverpool and Bootle Constabulary
  Liverpool and Bootle Constabulary was a short-lived police force in England from April 1, 1967 to April 1, 1974. It was created as a merger of the Liverpool City Police and Bootle Borough Police, and covered the adjacent county boroughs of Liverpool and Bootle...
  
  ; merged into Merseyside Police
  Merseyside Police
  Merseyside Police is the territorial police force responsible for policing Merseyside in North West England. The force area is 647 square kilometres with a population of around 1.5 million...
  
  
• Manchester and Salford Police
  Manchester and Salford Police
  Manchester and Salford Police was, from June 1, 1968 to April 1, 1974, a police force in England. It was created as a merger of the Manchester City Police and Salford City Police, and covered the adjacent county boroughs of Manchester and Salford...
  
  ; merged into Greater Manchester Police
  Greater Manchester Police
  Greater Manchester Police is the police force responsible for law enforcement within the metropolitan county of Greater Manchester in North West England...
  
  
• Mid-Anglia Constabulary; reconstituted as Cambridgeshire Constabulary
  Cambridgeshire Constabulary
  Cambridgeshire Constabulary is the territorial police force responsible for law enforcement within the ceremonial county of Cambridgeshire in the United Kingdom. In addition to the non-metropolitan county, the Police area includes the city of Peterborough, which became a unitary authority area in...
  
  
• Norfolk Constabulary
  Norfolk Constabulary
  Norfolk Constabulary is the territorial police force responsible for the county of Norfolk in England. As of March 2009 the force had a strength of 1,668 police officers, 243 Special Constables, 277 PCSOs and just over 1,300 police staff.-History:...
  
  ; reconstituted
• Northampton and County Constabulary; reconstituted as Northamptonshire Constabulary
• Northumberland Constabulary
  Northumberland Constabulary
  Northumberland Constabulary was the Home Office police force for the county of Northumberland, England, until 1974.Northumberland Constabulary absorbed Berwick-upon-Tweed Borough Police in 1921 and Newcastle upon Tyne City Police and Tynemouth Borough Police in the late 1960s, more than doubling...
  
  ; merged into Northumbria Police
  Northumbria Police
  Northumbria Police is the territorial police force responsible for policing the areas of Northumberland and Tyne and Wear in North East England. The service is the sixth largest police force in England and Wales. The current Chief Constable is Sue Sim who was appointed by Northumbria Police...
  
  
• Nottinghamshire Combined Constabulary; reconstituted as Nottinghamshire Police
  Nottinghamshire Police
  Nottinghamshire Police is the territorial police force responsible for policing the shire county of Nottinghamshire and the unitary authority of Nottingham in the East Midlands of England. The area has a population of just over 1 million....
  
  
• Sheffield and Rotherham Constabulary
  Sheffield and Rotherham Constabulary
  Sheffield and Rotherham Constabulary was a short-lived police force in England from June 1, 1967 to April 1, 1974. It was created as a merger of the Sheffield City Police and Rotherham Borough Police, and covered the adjacent county boroughs of Sheffield and Rotherham...
  
  ; merged into South Yorkshire Police
  South Yorkshire Police
  South Yorkshire Police is the territorial police force responsible for policing South Yorkshire in England.The police force covers an area of approximately 1,554 square kilometres which is made up of the county's three boroughs , along with the City of Sheffield. The resident population is 1.2...
  
  
• Somerset and Bath Constabulary
  Somerset and Bath Constabulary
  Somerset and Bath Constabulary was a short-lived police force in England from 1967 to 1974. It was created as a merger of the Somerset Constabulary and Bath City Police and covered the administrative county of Somerset and the county borough of Bath...
  
  ; merged into Avon and Somerset Constabulary
  Avon and Somerset Constabulary
  Avon & Somerset Constabulary is the territorial police force in England responsible for policing the non-metropolitan county of Somerset, the city & county of Bristol and the unitary authorities of South Gloucestershire, North Somerset and Bath and North East Somerset; before 1996 these districts...
  
  
• South Wales Constabulary; reconstituted
• Staffordshire County and Stoke-on-Trent Constabulary; reconstituted as Staffordshire Police
  Staffordshire Police
  Staffordshire Police is the territorial police force responsible for policing Staffordshire and Stoke-on-Trent in the West Midlands of England...
  
  
• Suffolk Constabulary
  Suffolk Constabulary
  Suffolk Constabulary is the territorial police force responsible for policing Suffolk in East Anglia, England.Suffolk Constabulary is responsible for policing an area of , with a population of...
  
  ; reconstituted
• Surrey Constabulary; reconstituted
• Sussex Constabulary; reconstituted
• Teesside Constabulary; merged into Cleveland Constabulary
  Cleveland Police
  Cleveland Police is the territorial police force responsible for policing the area of former county of Cleveland in north east England. The Cleveland Police area covers approximately and has a population of over 554,000....
  
  
• Thames Valley Constabulary; reconstituted
• Warwickshire and Coventry Constabulary; split between Warwickshire Constabulary and West Midlands Police
  West Midlands Police
  West Midlands Police is the territorial police force responsible for policing the metropolitan county of West Midlands in England.Covering an area with nearly 2.6 million inhabitants, which includes the cities of Birmingham, Coventry, Wolverhampton and also the Black Country; the force is made up...
  
  
• West Mercia Constabulary
  West Mercia Constabulary
  West Mercia Police, formerly known as West Mercia Constabulary, is the territorial police force responsible for policing the counties of Shropshire , Herefordshire and Worcestershire in England. The force area covers making it the fourth largest police area in England and Wales...
  
  ; reconstituted
• West Midlands Constabulary
  West Midlands Constabulary
  The West Midlands Constabulary was a police force in the West Midlands of England.It was created on April 1, 1966 under the Police Act 1964, with the re-organisation of the Black Country area as the five contiguous county boroughs of Dudley, Walsall, Warley, West Bromwich and Wolverhampton...
  
  ; merged into West Midlands Police
  West Midlands Police
  West Midlands Police is the territorial police force responsible for policing the metropolitan county of West Midlands in England.Covering an area with nearly 2.6 million inhabitants, which includes the cities of Birmingham, Coventry, Wolverhampton and also the Black Country; the force is made up...
  
  
• West Yorkshire Constabulary
  West Yorkshire Constabulary
  The West Yorkshire Constabulary was, from 1968 to 1974, the statutory police force for the West Riding of Yorkshire, in northern England.It was formed under the Police Act 1964, and was a merger of the previous West Riding Constabulary along with six borough forces for the county boroughs of...
  
  ; split mainly between West Yorkshire Metropolitan Police, South Yorkshire Police
  South Yorkshire Police
  South Yorkshire Police is the territorial police force responsible for policing South Yorkshire in England.The police force covers an area of approximately 1,554 square kilometres which is made up of the county's three boroughs , along with the City of Sheffield. The resident population is 1.2...
  
   and North Yorkshire Police
  North Yorkshire Police
  North Yorkshire Police is the territorial police force covering the non-metropolitan county of North Yorkshire and the unitary authority of York in northern England. The force covers England's largest county and comprises three area command units...
  
  
• Wiltshire Constabulary
  Wiltshire Constabulary
  Wiltshire Police, formerly known as the Wiltshire Constabulary, is the territorial police force responsible for policing Wiltshire and Swindon in the south-west of England.-History:...
  
  ; reconstituted
• York and North East Yorkshire Police
  York and North East Yorkshire Police
  The York and North East Yorkshire Police was a police force in England from 1968 to 1974, covering the North Riding of Yorkshire, the East Riding of Yorkshire and the county borough of York. It was a merger of the two riding forces with the York City Police...
  
  ; split mainly between North Yorkshire Police
  North Yorkshire Police
  North Yorkshire Police is the territorial police force covering the non-metropolitan county of North Yorkshire and the unitary authority of York in northern England. The force covers England's largest county and comprises three area command units...
  
  , Humberside Police
  Humberside Police
  Humberside Police is the territorial police force responsible for policing an area covering the East Riding of Yorkshire, the city of Kingston upon Hull, North Lincolnshire and North East Lincolnshire...
  
   and Cleveland Police
  Cleveland Police
  Cleveland Police is the territorial police force responsible for policing the area of former county of Cleveland in north east England. The Cleveland Police area covers approximately and has a population of over 554,000....
  
  

Irish police forces

• Royal Irish Constabulary
  Royal Irish Constabulary
  The armed Royal Irish Constabulary was Ireland's major police force for most of the nineteenth and the early twentieth centuries. A separate civic police force, the unarmed Dublin Metropolitan Police controlled the capital, and the cities of Derry and Belfast, originally with their own police...
  
  
• Royal Ulster Constabulary
  Royal Ulster Constabulary
  The Royal Ulster Constabulary was the name of the police force in Northern Ireland from 1922 to 2000. Following the awarding of the George Cross in 2000, it was subsequently known as the Royal Ulster Constabulary GC. It was founded on 1 June 1922 out of the Royal Irish Constabulary...
  
  
• Ulster Special Constabulary
  Ulster Special Constabulary
  The Ulster Special Constabulary was a reserve police force in Northern Ireland. It was set up in October 1920, shortly before the founding of Northern Ireland. It was an armed corps, organised partially on military lines and called out in times of emergency, such as war or insurgency...
  
  

Scottish police forces

Each police burgh

Police burgh

A police burgh was a Scottish burgh which had adopted a “police system” for governing the town. They existed from 1833 to 1975.-The 1833 act:The first police burghs were created under the Burgh Police Act, 1833...

 had a police force originally, although many merged in the 19th century.
Abolished 1930
The Local Government (Scotland) Act 1929

Local Government (Scotland) Act 1929

The Local Government Act 1929 reorganised local government in Scotland from 1930, introducing joint county councils, large and small burghs and district councils...

 merged two pairs of county constabularies.

• Kinross-shire County Constabulary to Perthshire and Kinross-shire Constabulary
• Morayshire County Constabulary to Moray and Nairn Constabulary
• Nairnshire Constabulary to Moray and Nairn Constabulary
• Perthshire County Constabulary to Perthshire and Kinross-shire Constabulary

Abolished 1931–1946

• Lerwick Burgh Police 29 May 1940 to Zetland Constabulary
• Zetland County Police 29 May 1940 to Zetland Constabulary

Abolished under the Police (Scotland) Act 1946:

• Aberdeenshire Constabulary 16 May 1949 to Scottish North Eastern Counties Constabulary
• Banffshire Constabulary 16 May 1949 to Scottish North Eastern Counties Constabulary
• Berwickshire Constabulary to Berwick, Roxburgh and Selkirk Constabulary
• Bute County Constabulary to Renfrew and Bute Constabulary
• Clackmannanshire Constabulary 1949 to Strling and Clackmannan Constabulary
• Dumfriesshire County Police 16 February 1948 to Dumfries and Galloway Constabulary
• Dunfermline City Police 16 May 1949 to Fife Constabulary
  Fife Constabulary
  Fife Constabulary is the territorial police force responsible for the Scottish council area of Fife.The area policed by Fife Constabulary has a resident population of just over 350,000, almost a third of whom live in one of the three principal towns of Dunfermline, Kirkcaldy and Glenrothes...
  
  
• East Lothian Constabulary to Lothians and Peeblesshire Constabulary
• Fife County Constabulary 16 May 1949 to Fife Constabulary
• Kincardineshire Constabulary 16 May 1949 to Scottish North Eastern Counties Constabulary
• Kirkcaldy Burgh Police 16 May 1949 to Fife Constabulary
• Midlothian Constabulary to Lothians and Peeblesshire Constabulary
• Moray and Nairn Constabulary 16 May 1949 to Scottish North Eastern Counties Constabulary
• Peeblesshire Constabulary to Lothians and Peeblesshire Constabulary
• Renfrewshire Constabulary to Renfrew and Bute Constabulary
• Roxburghshire Constabulary to Berwick, Roxburgh and Selkirk Constabulary
• Selkirkshire constabulary to Berwick, Roxburgh and Selkirk Constabulary
• Stewartry of Kirkcudbright Police 16 February 1948 to Dumfries and Galloway Constabulary
• Stirlingshire Constabulary 1949 to Strling and Clackmannan Constabulary
• West Lothian Constabulary to Lothians and Peeblesshire Constabulary
• Wigtownshire County Police 16 February 1948 to Dumfries and Galloway Constabulary

Abolished 1950s

• Dumbarton Burgh Police 1959 to Dunbartonshire Constabulary
• Dunbarton County Constabulary 1959 to Dunbartonshire Constabulary

Abolished 1960s

• Caithness Constabulary 1969 to Northern Constabulary
• Greenock Burgh Police to Renfrew and Bute Constabulary
• Inverness Burgh Police
  Inverness Burgh Police
  The Inverness Burgh Police was the police force responsible for the Royal Burgh of Inverness, Scotland from 1847 to 1968.-History:Although law enforcement of a kind had been present in the Royal Burgh of Inverness since time immemorial, by 1827 the Inverness Courier complained of the lack of an...
  
   16 November 1969 to Inverness Constabulary
• Inverness-shire County Constabulary 16 November 1969 to Inverness Constabulary
• Kilmarnock Burgh Police to Ayrshire Constabulary
• Orkney Constabulary 1969 to Northern Constabulary
• Perth City Police 1964 to Perth and Kinross Constabulary
• Perthshire and Kinross-shire Constabulary 1964 to Perth and Kinross Constabulary
• Ross and Cromarty Constabulary 1963 to Ross and Sutherland Constabulary
• Sutherland Constabulary 1963 to Ross and Sutherland Constabulary
• Zetland Constabulary 1969 to Northern Constabulary

Abolished 1975
The Local Government (Scotland) Act 1973

Local Government (Scotland) Act 1973

The Local Government Act 1973 is an Act of the Parliament of the United Kingdom, that reformed local government in Scotland, on May 16, 1975....

 created new police forces based on the new regions and island areas from 16 May 1975.

• Aberdeen City Police to Grampian Police
  Grampian Police
  Grampian Police is the territorial police force of the northeast region of Scotland, covering the council areas of Aberdeenshire, the City of Aberdeen, and Moray . The Force area also covers some of the North Sea, giving Grampian Police the responsibility of policing the oil and gas platforms of...
  
  
• Angus Constabulary to Tayside Police
  Tayside Police
  Tayside Police is the territorial police force covering the Scottish council areas of Angus, City of Dundee and Perth and Kinross . The total area covered by the force is with a population of 388,000....
  
  
• Argyll County Police to Strathclyde Police
  Strathclyde Police
  Strathclyde Police is the territorial police force responsible for the Scottish council areas of Argyll and Bute, City of Glasgow, East Ayrshire, East Dunbartonshire, East Renfrewshire, Inverclyde, North Ayrshire, North Lanarkshire, Renfrewshire, South Ayrshire, South Lanarkshire and West...
  
  , part to Northern Constabulary
  Northern Constabulary
  The Northern Constabulary is the territorial police force responsible for Northern Scotland, covering the Highland council area along with the Western Isles, the Orkney Isles and the Shetland Isles, which comprise most of the Highlands and Islands area...
  
  
• Ayrshire Constabulary to Strathclyde Police
• Berwick, Roxburgh and Selkirk Constabulary to Lothian and Borders Police
  Lothian and Borders Police
  Lothian and Borders Police is the territorial police force for the Scottish council areas of the City of Edinburgh, East Lothian, Midlothian, Scottish Borders and West Lothian...
  
  
• City of Glasgow Police
  City of Glasgow Police
  The City of Glasgow Police was the police of the City of Glasgow, Scotland. In the 17th century, Scottish cities used to hire watchmen to guard the streets at night, augmenting a force of unpaid citizen constables. On June 30, 1800, the authorities of Glasgow, successfully petitioned the British...
  
   to Strathclyde Police
• Dunbartonshire Constabulary to Strathclyde Police
• Dundee City Police to Tayside Police
• Edinburgh City Police to Lothian and Borders Police
• Inverness Constabulary
  Inverness Constabulary
  Inverness Constabulary was a police force in Scotland that covered the entirety of the county of Inverness-shire.It was created on 16 November 1968, as a merger of the Inverness Burgh Police and the Inverness-shire Constabulary...
  
   to Northern Constabulary
• Lanarkshire Constabulary to Strathclyde Police
• The Lothians and Peebles Constabulary to Lothian and Borders Police
• Northern Constabulary
  Northern Constabulary
  The Northern Constabulary is the territorial police force responsible for Northern Scotland, covering the Highland council area along with the Western Isles, the Orkney Isles and the Shetland Isles, which comprise most of the Highlands and Islands area...
  
   (name retained by its successor after merger)
• Perth and Kinross Constabulary most to Tayside Police to Central Scotland Police
  Central Scotland Police
  Central Scotland Police is the territorial police force responsible for the Scottish council areas of Stirling, Falkirk and Clackmannanshire . The headquarters of the force are at Randolphfield House in Stirling....
  
  
• Renfrew and Bute Constabulary to Strathclyde Police
• Ross and Sutherland Constabulary
  Ross and Sutherland Constabulary
  The Police Forces of Ross and Cromarty and Sutherland merged on 16 May 1963 to form the Ross & Sutherland Constabulary. Appointed Chief Constable of the new Force was Kenneth Ross, BL, a native of Sutherland but who had served in the Renfrew & Bute Constabulary until his appointment as Chief...
  
   to Northern Constabulary
• Scottish North Eastern Counties Constabulary
  Scottish North Eastern Counties Constabulary
  The Scottish North Eastern Counties Constabulary, was one of the two Police Forces which in 1975, were merged to create Grampian Police.-History:...
  
   to Grampian Police, part to Northern Constabulary
• Stirling and Clackmannan Police to Central Scotland Police, part to Strathclyde Police

Railway police forces

From the archives of the British Transport Police

British Transport Police

The British Transport Police is a special police force that polices those railways and light-rail systems in Great Britain for which it has entered into an agreement to provide such services...

:

• Birmingham and Derby Railway Police (1836)
• Birmingham and Gloucester Railway
  Birmingham and Gloucester Railway
  The Birmingham and Gloucester Railway is a railway route linking Birmingham to Gloucester in England.It is one of the world's oldest main line railways and includes the famous Lickey Incline, a dead-straight stretch of track running up the 1-in-37 gradient of the Lickey Ridge...
  
   Police (1836)
• Bristol & Exeter Railway Police (1836–1876)
• Bristol Joint Railway Station Police (1865–1948)
• Caledonian Railway
  Caledonian Railway
  The Caledonian Railway was a major Scottish railway company. It was formed in the early 19th century and it was absorbed almost a century later into the London, Midland and Scottish Railway, in the 1923 railway grouping, by means of the Railways Act 1921...
  
   Police (1845–1922)
• Cambrian Railway Police (1867–1923)
• Cardiff Railway
  Cardiff Railway
  The Cardiff Railway came into being from the need to service Bute Docks, so as to provide facilities for the traffic to and from the Docks. The railway was only 11 miles in length, a fact which belied its importance, since it provided both the Taff Vale Railway and the Rhymney Railway, inter alia,...
  
   Police (1897–1921)
• Cheshire Line Committee Police (1865–1948)
• Dundee and Arbroath Railway
  Dundee and Arbroath Railway
  The Dundee and Arbroath Railway was a railway link between those two towns in Scotland.-History:The railway company received its Parliamentary Act on 19 May 1836. It was planned as a gauge railway, because, at that time, it was expected to be a purely local railway with no connection to the...
  
   Police (1836–1923)
• Eastern Counties Railway
  Eastern Counties Railway
  The Eastern Counties Railway was an early English railway company incorporated in 1836. It was intended to link London with Ipswich via Colchester, and then on to Norwich and Yarmouth. Construction began in late March 1837 on the first nine miles, at the London end of the line.Construction was...
  
   Police (1836–1862)
• Eastern Union Railway
  Eastern Union Railway
  The Eastern Union Railway was an early English railway, initially sanctioned by Act of Parliament on 19 July 1844, with authorised capital of £200,000 to build from Ipswich to Colchester. Further Acts of 21 July 1845 and 26 June 1846 authorised further increases in capital of £50,000 and £20,000...
  
   Police (1847–1862)
• East Lincolnshire Railway
  East Lincolnshire Railway
  The East Lincolnshire Railway was a main line railway linking the towns of Boston, Louth and Grimsby in Lincolnshire, England. It opened in 1848 and was closed to passengers in 1970.-History:...
  
   Police (1848)
• Festiniog Railway Police (1884)
• Furness Railway
  Furness Railway
  The Furness Railway was a railway company operating in the Furness area of Lancashire in North West England.-History:The company was established on May 23, 1844 when the Furness Railway Act was passed by Parliament...
  
   Police (1844–1922)
• Great Central Railway
  Great Central Railway
  The Great Central Railway was a railway company in England which came into being when the Manchester, Sheffield and Lincolnshire Railway changed its name in 1897 in anticipation of the opening in 1899 of its London Extension . On 1 January 1923, it was grouped into the London and North Eastern...
  
   Police (1897–1923)
• Great Eastern Railway
  Great Eastern Railway
  The Great Eastern Railway was a pre-grouping British railway company, whose main line linked London Liverpool Street to Norwich and which had other lines through East Anglia...
  
   Police (1862–1923)
• Great Northern Railway
  Great Northern Railway (Great Britain)
  The Great Northern Railway was a British railway company established by the Great Northern Railway Act of 1846. On 1 January 1923 the company lost its identity as a constituent of the newly formed London and North Eastern Railway....
  
   Police (1848–1923)
• Great Western Railway
  Great Western Railway
  The Great Western Railway was a British railway company that linked London with the south-west and west of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament in 1835 and ran its first trains in 1838...
  
   Police (1835–1947)
• Hull and Barnsley Railway
  Hull and Barnsley Railway
  The Hull Barnsley & West Riding Junction Railway and Dock Company was opened on 20 July 1885. It had a total projected length of 66 miles but never reached Barnsley, stopping a few miles short at Stairfoot. The name was changed to The Hull and Barnsley Railway in 1905...
  
   Police (1885 – 1922, became part of (North Eastern Railway Police)
• Hull and Selby Railway
  Hull and Selby Railway
  The Hull and Selby Railway was a railway company in the United Kingdom which opened in 1840, connecting Hull with the Leeds and Selby Railway-Origins:...
  
   Police (1836/1854 – 1872, became part of North Eastern Railway Police)
• Lancashire & Yorkshire Railway Police (1833–1846)
• Lancaster and Carlisle Railway
  Lancaster and Carlisle Railway
  The Lancaster and Carlisle Railway was a British railway company authorised on 6 June 1844 to build a line between Lancaster and Carlisle in North-West England...
  
   Police (1844–1879, became part of London & North Western Railway Police)
• London & Birmingham Railway Police (1833–1846)
• London, Brighton and South Coast Railway
  London, Brighton and South Coast Railway
  The London, Brighton and South Coast Railway was a railway company in the United Kingdom from 1846 to 1922. Its territory formed a rough triangle, with London at its apex, practically the whole coastline of Sussex as its base, and a large part of Surrey...
  
   Police (1846–1923)
• London & Croydon Railway Police (1835–1846)
• London & Greenwich Railway Police (1833–1844)
• London, Midland and Scottish Railway
  London, Midland and Scottish Railway
  The London Midland and Scottish Railway was a British railway company. It was formed on 1 January 1923 under the Railways Act of 1921, which required the grouping of over 120 separate railway companies into just four...
  
   Police (1923–1948)
• London & North Eastern Railway Police (1923–1948)
• London & North Western Railway Police (1846–1923)
• London and Southampton Railway Police (1838–1839)
• London & South West Railway Police (1839–1923)
• London, Tilbury & Southend Railway Police (1854–1912, became part of Midland Railway
  Midland Railway
  The Midland Railway was a railway company in the United Kingdom from 1844 to 1922, when it became part of the London, Midland and Scottish Railway....
  
   Police)
• London Transport Police (April 1934-1 December 1958, became part of British Transport Commission
  British Transport Commission
  The British Transport Commission was created by Clement Attlee's post-war Labour government as a part of its nationalisation programme, to oversee railways, canals and road freight transport in Great Britain...
  
  )
• London Underground Railways (13 April 1933–?, became part of London Transport Police)
• Manchester & Leeds Railway Police (1837–1847)
• Manchester, Sheffield & Lincolnshire Railway Police (1836–1844)
• Midland Counties Railway
  Midland Counties Railway
  The Midland Counties Railway was a railway company in the United Kingdom which existed between 1832 and 1844, connecting Nottingham, Leicester and Derby with Rugby and thence, via the London and Birmingham Railway, to London. The MCR system connected with the North Midland Railway and the...
  
   Police (1836–1844)
• Newcastle & North Shields Railway Police (1839 – )
• North British Railway
  North British Railway
  The North British Railway was a Scottish railway company that was absorbed into the London and North Eastern Railway at the Grouping in 1923.-History:...
  
   Police (1840–1844)
• Northern & Eastern Counties Railway Police (1840–1844)
• North Eastern Railway
  North Eastern Railway (UK)
  The North Eastern Railway , was an English railway company. It was incorporated in 1854, when four existing companies were combined, and was absorbed into the London and North Eastern Railway at the Grouping in 1923...
  
   Police (1854–1923)
• North Staffordshire Railway
  North Staffordshire Railway
  The North Staffordshire Railway was a British railway company formed in 1845 to promote a number of lines in the Staffordshire Potteries and surrounding areas in Staffordshire, Cheshire, Derbyshire and Shropshire....
  
   Police (1845–1923)
• Pembroke and Tenby Railway Police (1859–1897)
• Stockton & Darlington Railway Police (1846–1876)
• South Devon Railway
  South Devon Railway
  South Devon Railway could mean:* South Devon Railway Company - the company that built the railway from Exeter to Plymouth* South Devon Railway Trust - the heritage railway from Totnes to BuckfastleighOther heritage railways in South Devon include:...
  
   Police (1846–1876)
• South Eastern Railway
  South Eastern Railway (UK)
  The South Eastern Railway was a railway company in south-eastern England from 1836 until 1922. The company was formed to construct a route from London to Dover. Branch lines were later opened to Tunbridge Wells, Hastings, Canterbury and other places in Kent...
  
   Police (1836–1898)
• Southern Railway
  Southern Railway (Great Britain)
  The Southern Railway was a British railway company established in the 1923 Grouping. It linked London with the Channel ports, South West England, South coast resorts and Kent...
  
   Police (1923–1948)
• South Eastern & Chatham Railway Police (1898–1923)
• South Wales Railway
  South Wales Railway
  The South Wales Railway was a broad gauge railway that linked the Gloucester and Dean Forest Railway with Neyland in Wales.-History:The need for the railway was created by the need to ship coal from the South Wales Valleys to London, and secondly to complete Brunel's vision of linking London with...
  
   Police (1845–1863)
• Taff Vale Railway
  Taff Vale Railway
  The Taff Vale Railway is a railway in Glamorgan, South Wales, and is one of the oldest in Wales. It operated as an independent company from 1836 until 1922, when it became a constituent company of the Great Western Railway...
  
   Police (1919–1923)
• York, North Midland Railway Police (1839–1854)

Docks and port police forces

• Aberdeen Harbour Police
• Barry Docks Police (1884–1922)
• Boston Docks Police 1922 – 1963
• Bute Docks Police (1865–1985)
• Commercial Docks Police (1810–1865, became part of Surrey Commercial Docks Police)
• Glasgow Marine Police
• Gloucester Dock Police (26 February 1836 – 25 November 1874, became part of Sharpness Dock Police)
• Gloucester and Berkley Docks Police (1827–1948)
• Greenock Harbour Police (1817 – ?, became part of Greenock Burgh Police)
• Grimsby Docks Police
• Hull Docks Police (1840–1893, became part of North Eastern Railway Police)
• Isle of Man Harbour Police
• Jersey Harbour Police
  States of Jersey Police
  The States of Jersey Police is the professional police service of Jersey. It was established in its current form by the Police Force Law, 1974 and consists of around 240 officers....
  
  
• Kingstown Harbour Police (1836–1924, became part of Dun Laoghaire Harbour Police)
• London and India Docks Police
• Londonderry Harbour Police (1858–?)
• Manchester Ship Canal Police
  Manchester Ship Canal Police
  Manchester Ship Canal Police was a police force in the United Kingdom that was responsible for policing the Manchester Ship Canal...
  
   (1893–1993)
• Newport Harbour Police
• Port of London Authority Police
  Port of Tilbury Police
  The Port of Tilbury Police is a small, specialised police force responsible for policing the Port of Tilbury, owned by the Port of Tilbury London Ltd, a subsidiary of Forth Ports plc. Known before 1992 as the Port of London Authority Police, at over 200 years old, it claims to be the oldest police...
  
   (1909–28 February 1992, became Port of Tilbury Police)
• Southampton Docks Police (before 1872 – after 1966)
• Swansea Harbour Trust Police
• Tyne Improvement Commission Docks and Piers Police
  Tyne Improvement Commission Docks and Piers Police
  The Tyne Improvement Commission Docks and Piers Police was a police force which policed the property of the Tyne Improvement Commission on the River Tyne in Northumberland, England. Its officers were sworn as Special Constables under the Harbour, Docks and Piers Clauses Act 1847 and had full police...
  
   (?-1949)

Canal/river police forces

• Aberdare Canal Police (c.1846)
• Aire and Calder Navigation Police (1840–1948)
• Birmingham Canal Navigation Police (pre 1917 – 1948)
• Bristol River Police
• Clyde River Police (1858–1866)
• Gloucester Dock Police (1836–1874)
• Grand Junction Canal Police
• Grand Surrey Canal Police (1809 – 1855, became Grand Surrey Docks & Canal Police)
• Grand Surrey Docks & Canal Police (1855 – 1865, became part of Surrey Commercial Docks Police)
• Grand Union Canal Company Police (1929–1948)
• Leeds and Liverpool Canal Police (1840 – )
• Manchester Ship Canal Police
  Manchester Ship Canal Police
  Manchester Ship Canal Police was a police force in the United Kingdom that was responsible for policing the Manchester Ship Canal...
  
   (1893–1993)
• Regents Canal and Dock Police (c.1840 – 1929)
• River Lee Police (pre 1914 – 1949)
• River Tyne Police
  River Tyne Police
  The River Tyne Police was a police force which patrolled the River Tyne in England. It was formed in 1845 and later became a police force under the Police Act 1919; its members had full police powers...
  
  
• Sharpness Dock Police (1874–1948)
• Sheffield and South Yorkshire Navigation Police (1895 -)

Airport police forces

• Aberdeen Airport Police
• Birmingham Airport Police
  Birmingham Airport Police
  Birmingham Airport Police is a defunct police force of the United Kingdom, formerly responsible for policing Birmingham International Airport, in Birmingham, England.-Basis:...
  
  
• British Airports Authority Constabulary
• East Midlands Airport Police
• Glasgow Airport Police (1966–1974)
• Isle of Man Airport Police
  Isle of Man Airport Police
  Isle of Man Airport Police is a small police force responsible for policing the Isle of Man Airport in Ronaldsway, Isle of Man. Three officers are on duty during opening hours, and cover is provided 24/7, 365 days a year. Officers are known as "Aviation Security Officers", and have the same...
  
   – refounded 2007
• Liverpool Airport Police
• Luton Airport Police
• Manchester Airport Police
  Manchester Airport Police
  Manchester Airport Police is a defunct police force of the United Kingdom, formerly responsible for policing Manchester Airport, in Manchester, England.-Basis:...
  
  
• Ministry of Civil Aviation Constabulary
• Newcastle Airport Police
• Southend-on-Sea Airport Police
• Teeside Airport Police

National

• National Crime Squad
  National Crime Squad
  The National Crime Squad was a British police organisation which dealt mainly with organised and major crimes. Formed in April 1998 after the amalgamation of six former Regional Crime Squads it merged on 1 April 2006 into the Serious Organised Crime Agency. The NCS reported directly to the Home...
  
  
• National Criminal Intelligence Service
  National Criminal Intelligence Service
  The National Criminal Intelligence Service was a United Kingdom policing agency set up as a separate body in April 1992 to centralise the gathering and distribution of intelligence on serious and organised criminal matters. NCIS was formed out of the National Drugs Intelligence Unit in the Home...
  
  
• UK Atomic Energy Authority Constabulary
  UK Atomic Energy Authority Constabulary
  The United Kingdom Atomic Energy Authority Constabulary was the armed security police force of the United Kingdom Atomic Energy Authority. The force existed for 50 years, up until 1 April 2005....
  
   (reconstituted as Civil Nuclear Constabulary
  Civil Nuclear Constabulary
  The Civil Nuclear Constabulary is a special police force responsible for providing law enforcement and security at civil nuclear installations, and for nuclear materials in transit, throughout the United Kingdom....
  
  )

London

• Barking and Dagenham Parks Constabulary
  Barking and Dagenham Parks Constabulary
  Barking and Dagenham Parks Constabulary was a small constabulary responsible for policing the parks and open spaces of the London Borough of Barking and Dagenham...
  
  
• Brent Parks Constabulary
  Brent Parks Constabulary
  Brent Parks Constabulary was a small, specialised constabulary responsible for patrolling the parks and open spaces parks and open spaces of the London Borough of Brent. Staff of the Borough Security Department were sworn in as constables from 1979, though the title "Brent Parks Constabulary" was...
  
  
• Greenwich Parks Constabulary
• Haringey Parks Constabulary
  Haringey Parks Constabulary
  Haringey Parks Constabulary was a small constabulary that patrolled parks and open spaces of the London Borough of Haringey to enforce by-laws and parks regulations....
  
  
• London County Council Parks Police (1889–1908)
• Newham Community Constabulary
  Newham Community Constabulary
  Newham Community Constabulary, formerly called Newham Parks Constabulary, was a very small non-Home Office constabulary responsible for patrolling the 52 parks and open spaces covering 1.63 square miles in the London Borough of Newham....
  
   (1998–2009)
• Royal Parks Constabulary
  Royal Parks Constabulary
  The Royal Parks Constabulary was the police force formerly responsible for the Royal Parks in London and a number of other locations in Greater London, England and Edinburgh, Scotland; it now only exists in Scotland as part of Historic Scotland....
  
   – abolished only in England and Wales
• Southwark Parks Constabulary
• Sutton Parks Constabulary
  Sutton Parks Constabulary
  Sutton Parks Constabulary was a small, specialised constabulary responsible for policing the parks and open spaces of the London Borough of Sutton...
  
  

Non-London

• Brighton Parks Police
  Brighton Parks Police
  Brighton Parks Police was a park police force maintained by Brighton Borough Council for the borough of Brighton, England.-History:The first suggestion of a park police forces was by the local chief constable in 1961...
  
   (1963-1990s)
• Birmingham Parks Police
  Birmingham Parks Police
  Birmingham Parks Police was a small police force maintained by Birmingham Corporation to police the parks and open spaces of Birmingham, United Kingdom. They were first formed in 1912 and were disbanded in 1962, when they were replaced with Park Rangers....
  
   (1912-1962)
• Liverpool Parks Police
  Liverpool Parks Police
  Liverpool Parks Police was a police force maintained by the Corporation of Liverpool to police the parks and open spaces owned by the City. The first record of "park constables" in Liverpool is from 1832, although members of the force were not sworn in as constables in their own right until 1882...
  
   (1882–1972)
• Wirral Parks Police
  • Birkenhead Parks Police – became Wirral Parks Police in 1974

Merged into MoD Police

• Admiralty Constabulary
  Admiralty Constabulary
  The Admiralty Constabulary was a police force in the United Kingdom formed as a result of the Special Constables Act 1923. The Constabulary can trace its history back to 1686 when the Royal Navy needed an organisation to prevent dockyard crime...
  
  
• Air Force Department Constabulary
  Air Force Department Constabulary
  The Air Force Department Constabulary was a police force in the United Kingdom, responsible for policing the airfields and aerodromes under the control of the Air Ministry, later the Air Force Department....
  
  
  • Air Ministry Constabulary – merged into Air Force Department Constabulary 1964
• Army Department Constabulary
  Army Department Constabulary
  The Army Department Constabulary was a police force in the United Kingdom formed as a result of the Special Constables Act 1923. Originally, the Army used serving soldiers to guard its establishments and the only call for police was at places like the Royal Arsenal at Woolwich...
  
  

Miscellaneous

• Birmingham Market Police
  Birmingham Market Police
  Birmingham Market Police is a defunct police force of the United Kingdom which existed between 1883 and 1976, and was formerly under the control of Birmingham Corporation where it was responsible for policing the markets controlled by the Corporation...
  
  
• British Legion Volunteer Police Force
  British Legion Volunteer Police Force
  The British Legion Volunteer Police Force was formed on the 6th October 1938. It was disbanded on the 15th October 1938, some ten days later.To set the formation of the British Legion Volunteer Police Force into context it is necessary to briefly mention the International affairs on the go at that...
  
  
• Eton College Police (1859–1892)
• Liverpool Markets Police
  Liverpool Markets Police
  Liverpool Markets Police was a police force maintained by Liverpool City Council to police the markets owned by the City. The force existed from at least 1837, was disbanded in 1976, re-formed in 1992 and finally disbanded in 2002.-History:...
  
  
• Oxford University Police
  Oxford University Police
  The Oxford University Police, or Oxford University Constables , was the private police force of the University of Oxford between 1829 and 2003. They carried warrant cards and were empowered to act as police officers within the University precincts and within areas of Oxford within four miles of any...
  
  
• Salisbury Cathedral Constables (1611–1836; constables continued to be appointed until 2010)

Non-police law enforcement agencies

• Assets Recovery Agency
  Assets Recovery Agency
  The Assets Recovery Agency was a non-ministerial government department in the United Kingdom. It was established under the Proceeds of Crime Act 2002 to reduce crime by confiscating the proceeds of any crime...
  
  
• Border and Immigration Agency
  Border and Immigration Agency
  The Border and Immigration Agency was an executive agency of the British Home Office, created on 1 April 2007. The Agency assumed the responsibilities of the Immigration and Nationality Directorate for managing immigration control in the UK...
  
  
• Her Majesty's Customs and Excise
  Her Majesty's Customs and Excise
  HM Customs and Excise was, until April 2005, a department of the British Government in the UK. It was responsible for the collection of Value added tax , Customs Duties, Excise Duties, and other indirect taxes such as Air Passenger Duty, Climate Change Levy, Insurance Premium Tax, Landfill Tax and...
  
  
• National Hi-Tech Crime Unit
  National Hi-Tech Crime Unit
  The National Hi-Tech Crime Unit previously formed part of the National Crime Squad, a British Police organisation which dealt with major crime....
  
  
• Waterguard
  Waterguard
  The Waterguard was the name given to a division of HM Customs and Excise responsible for the collection of customs and excise revenue from the passengers and crew of ships and aircraft, and other incoming travellers to the United Kingdom...