Certificates of British Citizenship: Index Check
Complete the form below with as much information as possible if you are looking for
- a certificate of British citizenship issued in the UK between 1 January 1949 and 30 September 1986
- a certificate of naturalisation issued in the UK between 1 January 1981 and 30 September 1986
We will email you within ten working days to tell you if we have found any information and explain how to order a copy.
For naturalisation certificates issued in the UK before 1 January 1981 and for those issued overseas before 1 January 1983, read our guide on Naturalised Britons to find out how to search our catalogue by name of applicant.
For naturalisation or British citizenship certificates issued after 1 October 1986, contact UK Visas and Immigration.
If you wish to obtain a UK birth certificate instead, please see our guide.
Over 98% of overseas certificates of British citizenship have not been selected for permanent preservation. Please contact the relevant British High Commission for more information.
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