Form
Apply to become a British citizen by naturalisation (form AN)
Use form AN to apply for citizenship by naturalisation if you are living in the UK.
Documents
Details
You can now apply online.
If you are eligible you can apply for British citizenship by naturalisation.
You should read:
- guide AN which helps you fill in the form
- booklet AN which summarises the legal requirements for applying
You can also read informtion on fees for citizenship applications.
Published 1 October 2013
Last updated 12 February 2018 + show all updates
Last updated 12 February 2018 + show all updates
- Updated versions of form, guide and booklet published.
- Updated AN booklet.
- Updated AN form.
- Updated AN guide and booklet.
- Updated 'Booklet AN'.
- We would like to remind applicants that the current version of the AN form is January 2016.
- Updated AN Form.
- Updated AN booklet and guide.
- Updated form.
- Updated guidance, December 2015.
- Updated booklet, November 2015.
- Updated AN form.
- Updated AN guide and AN booklet.
- Updated guidance
- Updated guidance
- Updated AN booklet.
- Updated documents.
- Updated document.
- Updated documents
- Updated AN booklet
- Updated booklet on naturalisation
- A new version of this form and guidance have been published for use on or after 2 June 2014. You can now tell us your email address to receive an update on the progress of your application.
- Additional information on the Citizenship (Armed Forces) Act.
- First published.