| 1906 | B 4 (I 24) | Completed |
| 1918 | H 21 | Completed |
| 1918 | P 514 | Launched |
| 1918 | E 14 (I 94) | E14 was badly damaged when one of her torpedoes exploded shortly after firing and was further damaged by shore based artillery after running aground at Kum Kale before finally sinking. |
| 1919 | L 20 | Completed |
| 1941 | Rorqual (N 74) | HMS Rorqual lays mines off the Adriatic coastal port of Ancona |
| 1941 | Upholder (N 99) | HMS Upholder torpedoes and damages the German transport Duisburg south of the Kerkennah Shallows. |
| 1941 | Urchin (N 97) / Sokol‚ (Dutch) | Completed |
| 1941 | P 33 | Launched |
| 1942 | Thorn (N 11) | HMS Thorn torpedoes and sinks the Italian tanker Ninuccia off Cape Planka, Yugoslavia. |
| 1943 | X 8 (Expectant) | Completed |
| 1945 | Thrasher (N 37) | HMS Thrasher sinks three Japanese sailing vessels with gunfire of the west coast of Siam. |
| 1946 | Sidon (P 259) | Taken in hand at Portsmouth for repair to armaments. Completed 9th March 1946. |
| 1958 | Montclare (F85) 1939 - 1958 | Left Portsmouth under tow to be broken up at Inverkeithing |