This page explains whether you are able to register to resume British citizenship or citizenship of the United Kingdom and Colonies using application form RS1 if you had previously given it up (renounced it).
If you meet the requirements for registration you should go to the section on applying.
If you have any further questions, you can contact us.
You may apply to resume your British citizenship if you are of sound mind and:
If you gave up your citizenship before 1 January 1983 you must also have one of the following connections with the United Kingdom:
You have a right, only once, to register as a British citizen if you gave up your citizenship to keep or gain another citizenship.
You have a separate right, only once, to register as a British citizen if you gave up citizenship of the United Kingdom and Colonies:
If you gave up your citizenship for any other reason, or have already given up and resumed British citizenship as a right, the Home Secretary may allow you to resume it, depending on the circumstances. You should contact us for advice before you make an application.
A member of the Commonwealth, which is an association of independent countries. (See Commonwealth.)
To give up your British citizenship.