| 1907 | C17 | Laid Down |
| 1907 | C18 | Laid Down |
| 1933 | Rorqual (N74) | Completed |
| 1943 | Unruly (P49) | HMS Unruly fires two torpedoes against a Spanish merchant off Port Vendres, southern France. Both torpedoes miss. |
| 2005 | Artful (S121) | Laid Down |
| Poseidon (N99) | |
| Built By: | Vickers (Barrow) |
| Build Group: | P |
| Fate: | Lost after a collision with SS Yuta off Wei-Hai-Wei in the Gulf of Korea 9th June 1931. |
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