Written questions

Nuclear Submarines: Procurement

2026-06-14 · Ministry of Defence · 9866 · Official question

Ben Obese-Jecty

Question

To ask the Secretary of State for Defence, pursuant to the Answer of 11 June 2026 to Question 7775 on Defence Nuclear Enterprise, what is the (a) whole life cost, (b) 2025-26 cost and (c) 2026-27 budget for the Submarine Build Modernisation Programme.

Answer

We are investing £6 billion over the Spending Review period to transform our industrial base and deliver continuous submarine production, allowing the UK to produce a submarine every 18 months. The Ministry of Defence publishes annual Defence Nuclear Ente...