Register as a British citizen (form UKM)
Apply by post to register as a British citizen if you were born before 1983 to a British mother.
Documents
Details
Use this form if you live in the Channel Islands, Isle of Man or a British Overseas Territory, or if you live elsewhere and want to apply by post. You will need to submit your documents with your application.
You can only apply if you would automatically have become a British citizen on 1 January 1983 if women were able to pass citizenship on to their children at the time of your birth.
You should read:
- the UKM guidance to check if you can apply
- the nationality forms guide to help you fill in the form
Send the form and payment slip (including the fee) and your documents to:
- the Lieutenant Governor if you are in the Channel Islands or Isle of Man
- the Governor of the territory if you are in a British Overseas Territory
- UK Visas and Immigration at the following postal address if you live elsewhere:
Department 1
UK Visas and Immigration
The Capital Building
New Hall Place
Liverpool
L3 9PP
Apply online
If you do not live in the Channel Islands, Isle of Man or a British Overseas Territory, you can apply online.
You can get help to make your online application if you are in the UK and you do not have the appropriate access, skills or confidence to complete an online immigration application form.
Most people who live in the UK and apply online are able to keep their documents while their application is processed.
We are aware this publication may have accessibility issues. We are reviewing it so that we can fix these. Read more about our accessible documents policy
Updates to this page
Last updated 31 October 2024 + show all updates
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Updated in line with changes to the biometric residence permit (BRP).
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The 'referee' section has been updated in the form.
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Clarification added to question 1.14 of the form.
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Updated with new question to ask for previous address history covering the last 5 years.
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Applying by post is taking much longer than applying online because of coronavirus (COVID-19). It is taking longer than usual to process applications because of coronavirus. This will not affect the decision.
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Updated form published.
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First published.