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

Application for naturalisation as a British citizen (form AN)

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email alternativeformats@homeoffice.gsi.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Naturalisation as a British citizen - a guide for applicants (guide AN)

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If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email alternativeformats@homeoffice.gsi.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Naturalisation booklet - the requirements (booklet AN)

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If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email alternativeformats@homeoffice.gsi.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

You can now apply online. The online form will ask questions that are relevant to you based on the information you enter. You can edit and download the application before it is submitted.

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 information on fees for citizenship applications.

Get help using a computer to apply online

You can get help completing an online immigration form if you do not feel confident using a computer or do not have access to one.

You can get help with:

  • accessing a computer or the internet
  • finding the right information on GOV.UK

You cannot use this service to get advice on:

  • whether you’re eligible to apply
  • what information to put in your application
  • an application you’ve already made

Access the Assisted Digital Service page for further information and contact details.

Published 1 October 2013
Last updated 11 June 2018 + show all updates
  1. Updated application form.
  2. Updated versions of form, guide and booklet published.
  3. Updated AN booklet.
  4. Updated AN form.
  5. Updated AN guide and booklet.
  6. Updated 'Booklet AN'.
  7. We would like to remind applicants that the current version of the AN form is January 2016.
  8. Updated AN Form.
  9. Updated AN booklet and guide.
  10. Updated form.
  11. Updated guidance, December 2015.
  12. Updated booklet, November 2015.
  13. Updated AN form.
  14. Updated AN guide and AN booklet.
  15. Updated guidance
  16. Updated guidance
  17. Updated AN booklet.
  18. Updated documents.
  19. Updated document.
  20. Updated documents
  21. Updated AN booklet
  22. Updated booklet on naturalisation
  23. 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.
  24. Additional information on the Citizenship (Armed Forces) Act.
  25. First published.