| 1908 | C16 | Completed |
| 1915 | H4 | Completed |
| 1940 | Seal (N37) | The Danish sailing vessel Skandia (183 GRT) hits a mine and sinks. The mine was laid by the British submarine HMS Seal in the Kattegat on 4 May 1940 |
| 1940 | Safari (P211) | Laid Down |
| 1941 | Triumph (N18) | HMS Triumph sinks the Italian auxiliary patrol vessels Valoroso, V 190/Frieda and V 137/Trio Frassinetti with gunfire in the Gulf of Sirte off Beurat, Libya. |
| 1942 | P556 | Transferred to the Royal Navy |
| 1943 | Spiteful (P227) | Launched |
| 1945 | Thorough (P324) | HMS Thorough sinks a Japanese coaster with gunfire off Tenggol Island. |
| 1958 | Sealion (N72) | Laid Down |
| 1964 | Opossum (S19) | Completed |
