| 1901 | No 1 | Launched |
| 1913 | E 7 (I 87) | Launched |
| 1917 | Nautilus (N 1) | Completed |
| 1933 | Seahorse (S 98) | Completed |
| 1939 | Seahorse (S 98) | HMS Seahorse ended her 2nd war patrol at Dundee. |
| 1939 | Sterlet (N 22) | Departed for 2nd war patrol off Stadlandet in Norway |
| 1941 | Sunfish (N 81) / V1 (USSR) | Damaged by a near miss from 500lb bomb in the River Tyne. Repaired at Portsmouth during 1942-1943. |
| 1941 | Urge (N 17) | On 2nd Oct 1941 an unsuccessful attack was made on an Italian Submarine of 600 tons in position 38`43'N 12`52'E. |
| 1941 | Surf (P 239) | Laid Down |
| 1942 | Safari (P 211) | HMS Safari attacks and damages the Italian merchant Veglia off Korcula, Croatia. The damaged ship is later salvaged but delared a total loss. |
| 1944 | Unswerving (P 63) | HMS Unswerving fires three torpedoes against the German auxiliary minelayer Zeus about 6 nautical miles south-south-east of Cape Kassandra, Greece. |
| 1944 | Spearhead (P 263) | Launched |
| 1944 | Vox (P 67) / Curie (French) | Whilst serving with the Free French Navy, torpedoed and sank the German merchant Zar Ferdinand north-west of Skiathos Island, Greece. |
| 1969 | HMCS Grilse | HMCS Grilse paid off & returned to USN |