Office for Nuclear Regulation


We regulate nuclear safety on five licensed sites and several non-licensed sites that support the UK’s fleet of nuclear-powered submarines.  The licensed sites are operated under the auspices of the MOD by contractors, who hold the site licenses at:

Activities cover nuclear core manufacturing and testing at Rolls Royce, submarine construction and commissioning at BAE Systems, submarine repair/refit/defuelling at Devonport Royal Dockyard, and dismantling at Rosyth.

We also regulate on sites that are operated directly by the MOD and are therefore exempt from licensing under the Nuclear Installations Act 1965.  These sites are authorised by the MOD and include: