British citizenship gives you the right to live and work in the UK permanently, without any immigration restrictions. You need British citizenship before you can apply for a UK passport. Check if you’re already a British citizen Some people are British automatically, without applying. You should check if you’re already British if you: have a British parent were born in the UK or a British overseas territory were born in a British colony before 1983 You can check if you're a British citizen on GOV.UK.  You don’t need to apply for citizenship if you’re already British...