Form AN: guidance - GOV.UK
Source: https://www.gov.uk/government/publications/form-an-guidance
Archived: 2026-04-23 17:10
Form AN: guidance - GOV.UK
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Guidance
Form AN: guidance
How to apply for citizenship by naturalisation if you are living in the UK.
From:
UK Visas and Immigration
Published
22 March 2019
Last updated
23 April 2026
—
See all updates
Documents
Form AN: guidance (accessible)
HTML
Form AN: guidance
PDF
,
459 KB
,
50 pages
Details
Read the AN guidance to find out if you can apply for British citizenship by naturalisation.
Updates to this page
Published 22 March 2019
Last updated 23 April 2026
+
show all updates
23 April 2026
The process for what to do with a Biometric Residence Permit (BRP) has been changed from returning the document to the Home Office to the applicant destroying it.
13 March 2026
The section: "travelling to and from the UK after naturalising" has been updated.
26 February 2026
Updated details on travelling to and from the UK after naturalising.
28 October 2025
Updated the postal address for PSI e-Assessments. Added more details about what you need to travel to and from the UK after naturalising.
4 September 2025
Updated to tell applicants that they do not need to request Home Office records for entry and exit from the UK before making an application.
1 May 2025
'Returning your Biometric Residence Permit (BRP)' and 'Good character' sections updated.
15 April 2025
Guidance updated on how to prove being free from immigration restriction, evidence of identity and returning biometric resident permits.
27 March 2025
Amended to reflect that a biometric residence permit can be used for 18 months from the date of expiry.
24 July 2024
Updated Form AN: guidance to update the section on 'Citizenship ban' to reflect changes as a result of the Illegal Migration Act 2023.
4 October 2023
Updated guidance published with updated formatting and links throughout.
1 August 2023
Accessible version added.
21 July 2023
Clarified the requirements for lawful residence and for demonstrating freedom from immigration time restrictions.
21 July 2023
Updated the guidance to reflect revisions to the good character policy, Royal Assent of the Illegal Migration Act on 20 July and clarification of the English language requirement.
4 November 2022
Accessible version added.
2 November 2022
Updated to reflect guidance on the Life in the UK test.
29 September 2022
Updated the guidance.
5 July 2022
Fixed broken links.
28 June 2022
Guidance updated to reflect Nationality and Borders Act changes coming into effect on 28 June 2022.
1 February 2022
Added accessible version of form.
1 July 2021
Updated guidance.
6 April 2021
Updated guidance: all references to UK NARIC, which is an EU initiative, changed to ‘Ecctis (formerly UK NARIC)’ as a result of the UK leaving the EU.
31 December 2020
Removed outdated form.
18 December 2020
Uploaded guidance for December 2020.
17 June 2020
Updated guidance.
22 March 2019
First published.
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Cookies on GOV.UK
We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies.
You can
change your cookie settings
at any time.
You have rejected additional cookies.
You can
change your cookie settings
at any time.
View cookies
Skip to main content
Guidance
Form AN: guidance
How to apply for citizenship by naturalisation if you are living in the UK.
From:
UK Visas and Immigration
Published
22 March 2019
Last updated
23 April 2026
—
See all updates
Documents
Form AN: guidance (accessible)
HTML
Form AN: guidance
,
459 KB
,
50 pages
Details
Read the AN guidance to find out if you can apply for British citizenship by naturalisation.
Updates to this page
Published 22 March 2019
Last updated 23 April 2026
+
show all updates
23 April 2026
The process for what to do with a Biometric Residence Permit (BRP) has been changed from returning the document to the Home Office to the applicant destroying it.
13 March 2026
The section: "travelling to and from the UK after naturalising" has been updated.
26 February 2026
Updated details on travelling to and from the UK after naturalising.
28 October 2025
Updated the postal address for PSI e-Assessments. Added more details about what you need to travel to and from the UK after naturalising.
4 September 2025
Updated to tell applicants that they do not need to request Home Office records for entry and exit from the UK before making an application.
1 May 2025
'Returning your Biometric Residence Permit (BRP)' and 'Good character' sections updated.
15 April 2025
Guidance updated on how to prove being free from immigration restriction, evidence of identity and returning biometric resident permits.
27 March 2025
Amended to reflect that a biometric residence permit can be used for 18 months from the date of expiry.
24 July 2024
Updated Form AN: guidance to update the section on 'Citizenship ban' to reflect changes as a result of the Illegal Migration Act 2023.
4 October 2023
Updated guidance published with updated formatting and links throughout.
1 August 2023
Accessible version added.
21 July 2023
Clarified the requirements for lawful residence and for demonstrating freedom from immigration time restrictions.
21 July 2023
Updated the guidance to reflect revisions to the good character policy, Royal Assent of the Illegal Migration Act on 20 July and clarification of the English language requirement.
4 November 2022
Accessible version added.
2 November 2022
Updated to reflect guidance on the Life in the UK test.
29 September 2022
Updated the guidance.
5 July 2022
Fixed broken links.
28 June 2022
Guidance updated to reflect Nationality and Borders Act changes coming into effect on 28 June 2022.
1 February 2022
Added accessible version of form.
1 July 2021
Updated guidance.
6 April 2021
Updated guidance: all references to UK NARIC, which is an EU initiative, changed to ‘Ecctis (formerly UK NARIC)’ as a result of the UK leaving the EU.
31 December 2020
Removed outdated form.
18 December 2020
Uploaded guidance for December 2020.
17 June 2020
Updated guidance.
22 March 2019
First published.
Sign up for emails or print this page
Related content
Is this page useful?
Maybe
Thank you for your feedback
Help us improve GOV.UK
To help us improve GOV.UK, we’d like to know more about your visit today.
Please fill in this survey (opens in a new tab
)
.