Office for Nuclear Regulation

This website uses non-intrusive cookies to improve your user experience. You can visit our cookie privacy page for more information.

Notify ONR

In certain circumstances, you may need to report to or notify ONR of an incident or provide information in relation to the work that you are completing.

Out of hours contact

ONR may need to respond to some circumstances out of office hours i.e.

If your incident fits these descriptions, ring the duty officer on 0151 922 9235 who will initiate the response on behalf of ONR.

RIDDOR - Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 2013

RIDDOR reportable accidents or incidents on either a GB nuclear site, a new nuclear build site, or an authorised site should be reported to ONR via HSE's online reporting system. To help identify ONR/ nuclear related reports from HSE health and safety reports, please include in bold text "this incident relates to a nuclear site" within the RIDDOR report.

Asbestos notifications

  1. Notifiable asbestos removal on a GB nuclear site by a Licensed Asbestos contractor should continue to be notified on Form ASB5 via the HSE online form.
  2. Notifiable non-licensed work (that is where exposure is sporadic and of low intensity and will not exceed the control limit) on either a GB nuclear site, a new nuclear build site, or on an authorised site should be notified to ONR via the HSE online notifications form.

Construction project notification

In accordance with the requirements of the Construction (Design and Management) Regulations 2015 construction projects on either a GB nuclear site, a new nuclear build site, or an authorised site that will (a) last more than 30 days and have more than 20 workers working simultaneously at any point in the project; or (b) exceed 500 person days, should be notified to ONR on a F10 'Notification of construction project' via HSE's online system.

Control of major accident hazards (COMAH)

Correspondence regarding COMAH regulation on either a GB nuclear site or or an authorised site should be sent to:

ONR (FAO The Conventional Health and Safety Team)
Redgrave Court
Merton Road
Bootle
L20 7HS

Explosives licensing

Correspondence regarding explosives licensing on either a GB nuclear site or or an authorised site should be sent to:

ONR (FAO The Conventional Health and Safety Team)
Redgrave Court
Merton Road
Bootle
L20 7HS