| 1914 | W3 | Laid Down |
| 1916 | E5 | At 08.10 on the morning the German battle cruiser Seydlitz sighted a submarine north of Juist Island. The cruiser and her accompanying torpedo boats dropped depth charges but to no avail. A few hours later another German cruiser, the Regensburg sighted a submarine to the east, not far from a German minefield of the Western Ems. E5 failed to return from her patrol and it is believed that this was the submarine seen by the Regensburg near the minefield. |
| 1916 | E24 | E24 became the first British Mine laying Sub to begin operational mine laying in the mouth of the River Elbe. |
| 1941 | Porpoise (N14) | While enroute to Halifax, Canada, HMS Porpoise makes an unsuccessful torpedo attack on a submarine in the North Atlantic. |
| 1941 | Splendid (P228) | Laid Down |
| 1944 | Sceptre (P215) | HMS Sceptre torpedoes and heavily damages the German merchant Lippe off the Foldafjord, Norway. The Lippe is beached but breaks up the following day. |
| 1970 | Courageous (S50) | Launched by Mrs Morris, wife of John Morris, Labour MP for Aberravon and Minister for Defence (Equipment) Contractors |
