The LSWR 445 class was a class of express passenger 4-4-0

4-4-0

Under the Whyte notation for the classification of steam locomotives, 4-4-0 represents the wheel arrangement of four leading wheels on two axles , four powered and coupled driving wheels on two axles, and no trailing wheels...

 steam locomotive

Steam locomotive

A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

s designed for the London and South Western Railway

London and South Western Railway

The London and South Western Railway was a railway company in England from 1838 to 1922. Its network extended from London to Plymouth via Salisbury and Exeter, with branches to Ilfracombe and Padstow and via Southampton to Bournemouth and Weymouth. It also had many routes connecting towns in...

 by William Adams

William Adams (locomotive engineer)

William Adams was the Locomotive Superintendent of the North London Railway from 1858 to 1873; the Great Eastern Railway from 1873 until 1878 and the London and South Western Railway from then until his retirement in 1895...

. Twelve were constructed by Robert Stephenson and Company

Robert Stephenson and Company

Robert Stephenson and Company was a locomotive manufacturing company founded in 1823. It was the first company set up specifically to build railway engines.- Foundation and early success :...

 in 1883.

The class were numbered 445–456, and were an enlarged version of the 135 class.

Table of locomotive orders

Year	Builder	Quantity	LSWR Numbers	Notes
1883	Robert Stephenson & Co. 2535–2546	12	445–456

All were renumbered in to the duplicate list as 0445–0456 between 1908 and 1911.

All passed to the 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...

 at the grouping

Railways Act 1921

The Railways Act 1921, also known as the Grouping Act, was an enactment by the British government of David Lloyd George intended to stem the losses being made by many of the country's 120 railway companies, move the railways away from internal competition, and to retain some of the benefits which...

in 1923. Withdrawals started in the same year, with four being retired in 1924, and the last seven were withdrawn in 1925. All were scrapped.