| 1909 | C30 | Completed |
| 1919 | L21 | Launched |
| 1935 | Oberon (S09) | Damaged in collision with the destroyer HMS Thanet at Devonport. |
| 1939 | Undine (N48) | HMS Undine ran engine trials off Blyth. |
| 1940 | Usk (N65) | Completed |
| 1942 | Unruffled (P46) | HMS Unruffled torpedoes and sinks the Italian merchant Una 4 nautical miles bearing 190 of Isola di Capri. |
| 1942 | P52 | Launched |
| 1942 | Traveller (N48) | HMS Traveller attacked the German auxiliary minelayer Bulgaria with two torpedoes to the West of Crete. No hits are obtained. |
| 1943 | Sturgeon (N73) | Recommissioned as HNLMS Zeehond, under command of Donald Theodoor Mackay |
| 1944 | Virtue (P75) | HMS Virtue sinks a watercarrier and two smaller vessels with gunfire off Cape Dhia, Crete, Greece. |
| 1944 | O20 (Dutch) | Decommissioned |
