Office for Nuclear Regulation

Contact ONR

There are numerous ways to contact ONR depending upon your requirements:

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.

Media relations contacts

Please email

This phone line is for press enquiries only, and we are unable to put you through to other ONR teams via this number. We also do not take marketing calls or any other unsolicited calls via this number either. For all general enquiries about ONR, please email

Complaints about ONR

Please see:

Health and a safety concerns/whistleblowing

Please see:

Make a Freedom of Information (FOI) request

The Freedom of Information Act (FOI) and Environmental Information Regulations (EIR) give you the right to request official information held by ONR. If you cannot find the information you require via our website, you can submit a written request for information.

Unreasonable behaviour policy

ONR’s unreasonable behaviour policy explains the appropriate action that we will take in response to those we consider to display unreasonable behaviour towards our staff. For matters relating to Freedom of Information (FOI) requests, reference should also be made to the FOI section of our website.

Office locations

Head office

Office for Nuclear Regulation
Building 4 Redgrave Court
Merton Road
L20 7HS

ONR also operates from two additional locations:


4th Floor,
Windsor House,
50 Victoria Street,


St James House
St James Square
GL50 3PR

Planning applications

To contact someone regarding planning applications, please email

Transport of radioactive substances

To contact someone regarding the transport of radioactive substances, please email

If this is an incident or emergency please see Notify ONR.

Security vetting

ONR does not accept requests for initiating the security clearance process from individuals. Requests for clearances must come from a recognised nuclear industry corporate sponsor who is subject to personnel security regulation by ONR.

If you have a query concerning the current status of your security clearance, you should contact the security team in the organisation that sponsored your clearance application or which has taken responsibility for its ongoing management.


To contact someone regarding recruitment, please email or you can phone 0203 028 0004.


Accounts payable

For enquiries from suppliers relating to invoices issued to us, please call 0203 028 0240.

Accounts receivable

For enquiries relating to invoices issued by us please call 0203 028 0038.

Other enquiries

For other enquiries not referenced above, please email

Problems with the website

Please see our website contact form.