Find out below how to apply for or renew a firearm, shotgun or explosives certificate. Whether you’re a firearm owner, firearm dealer, shooting club member or planning to travel with firearms, answer a few quick questions and we’ll guide you to the right form and everything you need to complete it.

Coronavirus (Covid-19)

We are not able to say how long it will be until we can restore this service, but if you sign up to Thames Valley Police Alert you will receive our messages and updates. We are temporarily unable to process any new applications for the grant of shotgun, firearms or explosives certificates. This is due to home visits no longer being possible, following government guidance on the need for social distancing. Renewal applications are currently still being processed. Please contact us online if you have any questions

Advice tool

Update a certificate to include less than 15kg of explosives for use in a firearm

How do I apply?

Step 1: Familiarise yourself with the Explosives Regulations 2014.

Step 2: Download and complete the Application for Renewal of an Explosive Certificate for Blackpowder to be Used in Firearms form (Form ER4B).

You'll need these details:

  • your firearm or shotgun certificate (if applicable)
  • your previous explosives certificate (if applicable)

In this form you'll also need to specify whether you plan to acquire only, or acquire and keep, the explosives.

Step 3: Post your completed form to:

Firearms Licensing Department
Thames Valley Police HQ
Oxford Road
Kidlington 
OX5 2NX

How much does it cost?

It's free to update your certificate.


What happens after I apply?

We'll get in touch as quickly as possible if we have any questions about your application or need to ask for more information.