Form UKM: guidance
Guidance to register as a British citizen if you were born before 1983 to a British mother.
Documents
Details
Read the UKM guidance to find out if you can register as a British citizen if you:
- were born before 1 January 1983 to a British mother
- would have become a British citizen automatically if citizenship was passed to you at the time of your birth
Updates to this page
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Updated guidance with minor wording, grammar, formatting and stylistic changes made throughout the guide.
Update history
2026-03-05 10:13
Updated the section ‘Travelling to and from the UK after becoming a British citizen’.
2025-07-22 16:09
Updated guidance with minor wording, grammar, formatting and stylistic changes made throughout the guide.
2025-04-17 13:02
Updated the sections on referees, biometric enrolment, citizenship ceremonies and citizenship-related queries. Added a section on next steps. The ‘OISC and immigration advice’ section has been updated to reflect the Office of the Immigration Services Commissioner’s name change to Immigration Advice Authority.
2024-07-24 10:08
Updates to fees links and travel advice after becoming British.
2023-10-04 00:01
Document format and style updated. Outdated information removed or updated accordingly. References and links to fees updated.
2023-01-04 09:12
Updated the guidance.