Office for Nuclear Regulation

Category: Nuclear defence

Improvement Notice issued to Babcock Marine Ltd

June 16, 2022 - Improvement Notice for Babcock Marine Ltd


Improvement Notice served on Rolls-Royce Submarines Ltd

July 8, 2020 - Procedural safety breaches at Derby site


AWE plc complies with ONR Improvement Notice

March 24, 2015 - Structural repair work completed after Improvement Notice


General agreement between Ministry of Defence and Office for Nuclear Regulation for regulation of the Defence Nuclear Programme

March 17, 2015 -


Improvement Notice – Devonport Royal Dockyard

January 8, 2015 - Improvements required by 31 January 2016


Consent to decommission seven nuclear submarines

November 12, 2014 - Rosyth Royal Naval Dockyard


ONR agrees to launch of next nuclear submarine

May 15, 2014 - ONR lift launch ‘hold point’


Have your say on Rosyth submarine decommissioning

January 22, 2014 - ONR consults on application to decommission submarines


ONR permission marks significant milestone for AWE

July 4, 2013 - ONR gives the go-ahead for construction work at AWE Aldermaston