Submarines: Decommissioning
Commons · Question 100758 · Tabled 16 Dec 2025 · Ministry of Defence · Official record
Answered 22 Dec 2025
Question
Asked by Ben Obese-Jecty
To ask the Secretary of State for Defence, pursuant to the answer of 16th December 2025, to question 98210 on Submarines: Decommissioning, what is the process for defueling decommissioned submarines.
Answer
Answered by Luke Pollard, 22 Dec 2025
The twelve decommissioned, first generation Pressurised Water Reactor (PWR1) submarines awaiting defuel in Devonport will dock in a specialised, licensed dock in Devonport, following processes regulated by the Office for Nuclear Regulation. The used fuel ...