Guidance

Form RS1: guidance

How to apply to become a British citizen again after giving up (renouncing) citizenship.

• From: UK Visas and Immigration
• Published: 22 March 2019
• Last updated: 17 April 2025 — See all updates

Documents

Form RS1: guidance (accessible)

HTML

Form RS1: guidance

PDF, 231 KB, 20 pages

Details

Read the RS1 guidance to find out if you can apply to become a British citizen again after previously renouncing your British citizenship.

Published 22 March 2019

Last updated 17 April 2025 + show all updates

1. 17 April 2025

   Updated the following sections: 'IAA and immigration advice', 'biometric enrolment', 'evidence of identity', 'travel after submitting an application', 'citizenship ceremonies' and 'next steps'. Added a new section: 'will I get digital status showing I am a British citizen?' Removed the 'citizenship ban' section.

2. 27 March 2025

   Amended to reflect that expired BRPs can be used for 18 months as ID after the expiry date.

3. 24 July 2024

   Updated Form RS1: guidance to update the section on 'Citizenship ban' to reflect changes as a result of the Illegal Migration Act 2023.

4. 4 October 2023

   Document format and style updated. Outdated information removed or updated accordingly. References and links to fees updated.

5. 27 July 2023

   Accessible version added.

6. 21 July 2023

   Updated to reflect changes introduced by the Illegal Migration Act 2023.

7. 17 February 2022

   Added accessible version of document.

8. 22 March 2019

   First published.