Nationality forms guide - GOV.UK 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 Guidance Nationality forms guide Guide for nationality application forms 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 23 April 2026 See all updates Documents Nationality forms guide (accessible version) HTML Nationality forms guide PDF 289 KB 30 pages This file may not be suitable for users of assistive technology. Request an accessible format. If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email alternativeformats@homeoffice.gov.uk . Please tell us what format you need. It will help us if you say what assistive technology you use. Details Use this guide 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 and need help to fill in a nationality application form. Updates to this page Published 12 April 2019 show all updates 23 April 2026 Updated 'Returning your Biometric Residence Permit (BRP)' and 'Travelling to and from the UK after being granted British citizenship' sections. 26 February 2026 Updated content on travelling to and from the UK after being granted British citizenship. 31 July 2025 Guidance updated to clarify information on submitting complete applications. 30 April 2025 Updated the good character section. 16 April 2025 Updated this guide to reflect OISC name change to IAA, added a new section 'Will I get digital status showing I am a British citizen?' and updated the 'Returning your Biometric Residence Permit (BRP)' section. 31 July 2024 Updated travel advice after becoming British. 4 October 2023 Document format and style updated. Outdated information removed or updated accordingly. References and links to fees updated. 1 February 2022 Added accessible version of guide. 12 April 2019 First published. Sign up for emails or print this page 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