Form

Register child under 18 as British citizen (form MN1)

Register a child under 18 as a British citizen if you live in the Channel Islands, Isle of Man, a British Overseas Territory or if you live elsewhere and want to apply by post.

• From: UK Visas and Immigration
• Published: 12 April 2019
• Last updated: 31 October 2024 — See all updates

Documents

Register child under 18 as British citizen (form MN1)

PDF, 800 KB, 30 pages

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Details

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.

Use this form if you live in the Channel Islands, Isle of Man or a British Overseas Territory and want to apply to register a child under 18 as a British citizen if they qualify through birth or adoption.

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 may be able to apply for a fee waiver if you’re under 18 and cannot afford to pay the application fee.

You should read:

• the MN1 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

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.

Published 12 April 2019
Last updated 31 October 2024 + show all updates

1. 31 October 2024

   Updated in line with changes to the biometric residence permit (BRP).

2. 21 May 2024

   Section on referees has been updated.

3. 16 June 2022

   You may be able to apply for a fee waiver if you’re under 18 and cannot afford to pay the application fee.

4. 16 April 2020

   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.

5. 10 February 2020

   Updated application form.

6. 12 April 2019

   First published.