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Civil nuclear security and safeguards

We are responsible for approving security arrangements within the civil nuclear industry and enforcing compliance to prevent the theft or sabotage of nuclear or other radioactive materials, the sabotage of nuclear facilities, taking into account the full spectrum of protective measures, including physical protection, personnel security, cyber security and information assurance.

We regulate the security of:

  • Nuclear and other radioactive materials on civil licensed nuclear sites;
  • Nuclear materials off licensed sites;
  • Domestic transport of nuclear materials by road, rail and sea; and
  • International transport of nuclear and other radioactive materials by UK flagged vessels
    sensitive nuclear information wherever it is held.

We do this in accordance with the Nuclear Industries Security Regulations (NISR) 2003 and the Ionising Radiation Regulations 2017.

Contact details

If you have any specific enquiries relating to the importation of nuclear materials, or the security of transports of nuclear material generally, please contact us by email at ONR-CNS.Transport@onr.gov.uk, or by post:

CNSS
Office for Nuclear Regulation
Redgrave Court
Merton Road
Bootle
L20 7HS

Resources

For reference

Nuclear Industries Security Regulations 2003 – Guidance for Inspectors (PDF) ONR Classification Policy (DOCX)

See also