"You can register to vote if you are:
16 or over (but you cannot vote until you are 18)
A UK, Republic of Ireland or qualifying Commonwealth citizen. Qualifying Commonwealth citizens are those who have leave to enter or remain in the UK, or do not require such leave.
A citizen of a European Union country living in the UK
A citizen of the Channel Islands, the Isle of Man or a British Overseas Territory living in the UK"
(, Mon 8 Jun 2009, 16:19, archived)