Office for Nuclear Regulation

Category: AWE

Atomic Weapons Establishment Aldermaston – Inspection ID: 52836

November 27, 2023 - Executive summary Date(s) of inspection: August 2023 Aim of inspection This intervention will be undertaken alongside The Environment Agency. The purpose of this inspection is to form a view on the adequacy of AWE ventilation management arrangements.  We will also seek the demonstrable achievement of a sampled set of safety and environmental related claims identified […]


Atomic Weapons Establishment Aldermaston – Inspection ID: 50465

November 7, 2023 - Executive summary Date(s) of inspection: June 2023 Aim of inspection The broad aims of this inspection are as follows:For ONR to gain confidence that: Suitable and sufficient management arrangements are in place to ensure that both full-time staff and contractors within MPF are  adequately trained to safely perform the duties assigned to them by AWE. […]


Atomic Weapons Establishment Aldermaston – Inspection ID: 52771

October 17, 2023 - Executive summary Date(s) of inspection: June 2023 Aim of inspection To build ONRs regulatory confidence that the licensee is ready and able to resume operations on the A** Process Line 1 following installation and commissioning of the Thermal Watchdog.  This will support ONRs permission decision for HPCP reference A**-HPX. As part of the inspection ONR […]


Atomic Weapons Establishment Burghfield – Inspection ID: 52681

October 13, 2023 - Executive summary Date(s) of inspection: June 2023 Aim of inspection This inspection at AWE *F20 will be undertaken as part of a programme of planned inspections for 2023/24. The scope of the intervention was aligned to the ONR AWE Strategy. The key aim of the inspection is for ONR to gain regulatory confidence that: The […]


Chief Nuclear Inspector publishes annual review of industry performance

September 27, 2023 - Conventional health and safety and cyber security highlighted


Atomic Weapons Establishment Aldermaston – Inspection ID: 52088

August 14, 2023 - Executive summary Date(s) of inspection: May 2023 Aim of inspection To judge the adequacy of AWE’s implementation of its arrangements made under LC 26 from a control of contractors work perspective. Subject(s) of inspection LC 26 – Control and supervision of operations – Rating: GREEN Key findings, inspector’s opinions and reasons for judgement made This […]


Site Stakeholder Group (SSG) reports for Q2 – 2023

August 1, 2023 -


Atomic Weapons Establishment Burghfield – Inspection ID: 52417

July 17, 2023 - Executive summary Date(s) of inspection: April 2023 Aim of inspection The aim of the inspection was to undertake a regulatory compliance inspection against all duties imposed by the Fire Safety Order 2005, (Articles 8 to 22), or by regulations made under Article 24, to ensure that the licensee is compliant in respect of the premises: […]


Fatality at AWE Aldermaston

July 10, 2023 - Construction incident at Berkshire nuclear licensed site


Atomic Weapons Establishment Aldermaston – Inspection ID: 52012

July 4, 2023 - Executive summary Date(s) of inspection: November 2022 Aim of inspection The purpose of this inspection was for ONR to assess the adequacy of AWE’s supply chain management (SCM), procurement and assurance arrangements, as applied to high-risk contracts for the acquisition (i.e., specifying, production and delivery) of nuclear safety related items or services. Subject(s) of inspection […]