What ONR does
Independent regulator for nuclear safety and security. Issues nuclear site licences. Regulates nuclear installations, transport, and safeguards.
Contact ONR
- contact@onr.gov.uk
Official guidance from ONR
Curated guidance documents to help you understand your obligations.
Ionising Radiations Regulations 2017 - Frequently asked questions | Office for Nuclear Regulation (opens in a new tab)
Detailed Guidance
Radiation Protection advisors | Office for Nuclear Regulation (opens in a new tab)
Detailed Guidance
Civil nuclear security | Office for Nuclear Regulation (opens in a new tab)
Detailed Guidance
High-Activity Sealed Radioactive Sources (HASS) | Office for Nuclear Regulation (opens in a new tab)
Detailed Guidance
Nuclear site health and safety | Office for Nuclear Regulation (opens in a new tab)
Detailed Guidance
Regulation of Sensitive Nuclear Information (SNI) in the Supply Chain (List N) | Office for Nuclear Regulation (opens in a new tab)
Detailed Guidance
Security Assessment Principles (SyAPs) | Office for Nuclear Regulation (opens in a new tab)
Detailed Guidance
Transport legislation | Office for Nuclear Regulation (opens in a new tab)
Detailed Guidance
View all 88 guidance documents (opens in a new tab)
Legal framework
Legislation that ONR directly enforces.
Primary legislation
Secondary legislation
… and 8 more statutory instruments.
Related legislation
Legislation connected to ONR’s remit but not directly enforced — establishing Acts, amendments, referenced legislation, and context.