Written Question·Ministry of Defence·UIN 93937

Nuclear Weapons: Procurement

Tabled: 24 November 2025
Answered: 2 December 2025

Question

Bell Ribeiro-Addy

LabourClapham and Brixton Hill

To ask the Secretary of State for Defence, what has been the cost to date of the Astraea nuclear warhead design and production programme.

Answer

Luke Pollard
The UK’s replacement warhead, Astraea, remains in the concept phase. I am withholding details on cost for purpose of safeguarding national security.