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Lancaster House 2.0
11 July 2025
Type
Written Ministerial Statement
Department
Ministry of Defence
At a Glance
Issue Summary
The minister is addressing the reboot of the Lancaster House Defence and Security Treaties between the UK and France to modernise bilateral defence cooperation.
Action Requested
The reboot will deepen nuclear deterrence collaboration, enhance joint military capabilities through the Combined Joint Force (CJF), establish an 'Entente Industrielle' for industrial co-operation, and expand cooperation in new domains like Space and Cyber. The treaties are set to be implemented by both Ministries of Defence and Foreign Affairs.
Key Facts
- UK and France represent nearly 40% of the defence budget of European Allies.
- Northwood Declaration signed at the 2025 UK-France Summit.
- New Combined Joint Force (CJF) to focus on Euro-Atlantic warfighting capabilities.
- Establishment of a UK-France Nuclear Steering Board for political direction.
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Assessment & feedback
Summary accuracy