| 1916 | E54 | Completed |
| 1916 | W2 | Completed |
| 1916 | G8 | Launched |
| 1917 | E40 | Completed |
| 1917 | L55 | Laid Down |
| 1919 | H42 | Completed |
| 1920 | 1899 - 1921: Crescent | Transferred to Rosyth to serve as a depot ship. |
| 1929 | Oswald (N58) | Completed |
| 1935 | Rorqual (N74) | Laid Down |
| 1940 | Narwhal (N45) | HMS Narwhal torpedoes and sinks the German troop transport Buenos Aires and torpedoes and damages the German troop transport Bahia Castillo in the Kattegat about 20 nautical miles north of Anholt, Denmark. |
| 1940 | Narwhal (N45) | HMS Narwhal lays minefield FD 6 (50 mines) in the Kattegat. |
| 1941 | Graph (P715) | Commissioned as German U-570, later captured by the British |
| 1941 | Upholder (N99) | HMS Upholder torpedoes and sinks the German merchants Arcturus and Leverkusen off Kerkennah, Tunisia. |
| 1942 | P552 | Picked up 3 survivors from the Norwegian merchant Taborfjell that was torpedoed and sunk the previous day by German U-boat U-576 about 95 nautical miles east of Cape Cod. |
| 1944 | Untiring (P59) | HMS Untiring torpedoes and sinks the German merchant Siena off Port Vendres, southern France. |
| 1945 | Statesman (P246) | HMS Statesman sinks a small Japanese vessel in the Strait of Malacca. |
