Register as a British citizen (form B(OS))
Register as a British citizen if you live in the Channel Islands, the Isle of Man or if you live elsewhere and want to apply by post and have certain other types of British nationality.
Documents
Details
If you do not live in the Channel Islands or the Isle of Man, 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.
Use this form if you live in the Channel Islands or the Isle of Man and are a British Overseas citizen, British subject, British protected person, or British National (Overseas) and have no other citizenship or nationality.
You can also use this paper form if you live elsewhere and want to apply by post. You will need to submit your documents with your application.
Most people who live in the UK and apply online are able to keep their documents while their application is processed.
You should read:
- the B(OS) eligibility 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
- 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
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Last updated 16 April 2020 + show all updates
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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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First published.