Office for Nuclear Regulation

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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.

Incident Notification (INF1)

All incidents must be reported to ONR via the ONR Incident Notification Form (INF1)

Competed forms must be emailed to onr.incidents@onr.gov.uk or for security related events to onr.cns.event.reports@onr.gov.uk

In the event that you need to make telephone contact with ONR in relation to submitting an INF1 notification form, contact should be made during office hours using the numbers below:

Non-Security Incident

0203 028 0064

Security Related Incident

Contact the nominated Civil Nuclear Security Site Inspector directly, or the CNS Duty Officer on 0330 313 5695

Emergency Contact

In the event of an emergency, for example a fatal accident or major incident necessitating immediate telephone contact with ONR, the emergency contact numbers below should be used:

  Non-Security Related Emergency Security Related Emergency
Between 08.30 and 17.00 (Monday to Friday) 0151 922 5911 Contact the nominated CNS Site inspector directly or the CNS Duty Officer on 0330 313 5695
Out of hours 0151 922 9235 0330 313 5695

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.

Provision of work related information

Asbestos notifications

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 .

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