questionText: To ask the Secretary of State for Defence, what the annual cost is of maintaining decommissioned nuclear submarines at (a) Rosyth and (b) Devonport.
answerText: The annual cost for maintaining decommissioned submarines varies each year depending on the respective maintenance requirements. In financial year 2023-24, £1.711 million was spent at Rosyth and £7.056 million at Devonport.
heading: Nuclear Submarines: Decommissioning