Office for Nuclear Regulation
onr.org.uk
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News
Regulator confirms UK nuclear fire safety standards are robust following European-wide review
ONR has published the UK National Action Plan as part of the European Nuclear Safety Regulators Group (ENSREG) Topical Peer Review of nuclear fire protection
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Licensing of safety critical software for nuclear reactors
ONR and international nuclear regulators have updated a shared guidance document on licensing safety-critical software for nuclear reactors, reflecting current standards and expectations. The revised document supports consistent regulatory requirements ac
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New guidance helps operators meet updated nuclear safeguards duties
ONR has published updated guidance to assist operators comply with the updated Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026.
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Extension of two improvement notices after Hinkley Point C incident
Progress has been made by contractors Bouygues Travaux Publics SAS and Laing O'Rourke Delivery Limited, operating as partners in the BYLOR joint venture, following an incident at the Somerset nuclear construction site.
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Bylor JV complies with two enforcement notices for fire safety shortfalls at Hinkley Point C
ONR is satisfied that the required improvements have been made.
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Nuclear industry and public invited to shape new regulatory principles for future UK nuclear
First update since 2014 responds to Nuclear Regulatory Taskforce's call for a radical regulatory reset. Revised principles to cut red tape and deliver faster, more proportionate safety decisions. Consultation closes 18 September - operators, developers an
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ONR helps shape international toolkit to support cooperation in assessment of advanced reactors
The regulatory cooperation toolkit provides practical guidance, templates and methodologies that will help regulators collaborate, leverage existing reviews and address differences between regulatory frameworks.
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Improvement notice following worker fall from height at nuclear site
Following a fall from height incident at Torness in Scotland we have served an improvement notice on Dalkia Facilities Ltd.
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Urenco ChemPlants Ltd. and Babcock Critical Services Ltd. to be prosecuted
This follows an incident that occurred in February 2024 at the Tails Management Facility on the Urenco UK Ltd. nuclear licensed site in Capenhurst, near Chester.
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ONR starts review of Safety Assessment Principles
This review in consultation with the nuclear industry marks a pivotal step in modernising the UK's nuclear safety framework.
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London
United Kingdom
Regional office
London
157-197 Buckingham Palace Rd,
Cheltenham
United Kingdom
Regional office
Cheltenham
GL50 3PR