• HMS Severn was to have been a 38-gun fifth rate. She was renamed before her launch in 1813. was a 44-gun Adventure-class fifth-rate
  Fifth-rate
  In Britain's Royal Navy during the classic age of fighting sail, a fifth rate was the penultimate class of warships in a hierarchal system of six "ratings" based on size and firepower.-Rating:...
  
   launched in 1786 and wrecked in 1804. was a 40-gun Endymion-class
  Endymion class frigate
  The Endymion-class was a class of six Royal Navy 40-gun fifth-rate frigates, with the prototype launched in 1797 and five slightly amended versions built of fir launched from 1813 to 1814.-Design:...
  
   fourth rate launched in 1813 and sold in 1825.
• HMS Severn was to have been a 46-gun fifth-rate. She was ordered in 1825 but cancelled in 1831. was a 50-gun fourth-rate launched in 1856, one of the last frigates with a sailing mast. She was converted to screw propulsion in 1860 and was broken up in 1876. was a Mersey-class protected cruiser
  Protected cruiser
  The protected cruiser is a type of naval cruiser of the late 19th century, so known because its armoured deck offered protection for vital machine spaces from shrapnel caused by exploding shells above...
  
   launched in 1885 and sold in 1905. was a Humber-class
  Humber class monitor
  The Humber class monitors were three large gunboats under construction for the Brazilian Navy in Britain in 1913. Designed for service on the Amazon River, the ships were of shallow draft and heavy armament and were ideally suited to inshore, riverine and coastal work but flawed for service at sea,...
  
   monitor
  Monitor (warship)
  A monitor was a class of relatively small warship which was neither fast nor strongly armoured but carried disproportionately large guns. They were used by some navies from the 1860s until the end of World War II, and saw their final use by the United States Navy during the Vietnam War.The monitors...
  
  , launched for Brazil in 1913 but purchased in 1914 and sold in 1921, being scrapped in 1923. was a Thames-class submarine
  Submarine
  A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...
  
   launched in 1934 and scrapped in 1946. is a River-class
  River class patrol vessel
  The River class is a class of three offshore patrol vessels in the Royal Navy, replacing the seven ships of the Island class. A fourth, modified vessel based on the River class has also been built for the Royal Navy, replacing the Castle class, for duties in the Falklands...
  
   patrol vessel launched in 2002 and currently in service.

Battle honours

• Algiers 1816
  Bombardment of Algiers
  The Bombardment of Algiers was an attempt by Britain to end the slavery practices of the Dey of Algiers. An Anglo-Dutch fleet under the command of Admiral Lord Exmouth bombarded ships and the harbour defences of Algiers....
  
  
• Konigsberg 1915
• Sicily 1943
  Allied invasion of Sicily
  The Allied invasion of Sicily, codenamed Operation Husky, was a major World War II campaign, in which the Allies took Sicily from the Axis . It was a large scale amphibious and airborne operation, followed by six weeks of land combat. It launched the Italian Campaign.Husky began on the night of...
  
  
• Aegean 1943
• Norway 1940
  Norwegian Campaign
  The Norwegian Campaign was a military campaign that was fought in Norway during the Second World War between the Allies and Germany, after the latter's invasion of the country. In April 1940, the United Kingdom and France came to Norway's aid with an expeditionary force...
  
  
• Atlantic 1940–1941
• Belgian Coast 1914