Prime Minister's Office

10 Downing Street
London
SW1A 2AA 

Telephone: 020 7270 3000
Website: www.number10.gov.uk

Prime Minister, First Lord of the Treasury and Minister for the Civil Service
The Rt Hon David Cameron MP

The Prime Minister is the head of the UK Government and is ultimately responsible for the policy and decisions of Government.

As head of the UK Government the Prime Minister also oversees the operation of the civil service and Government agencies, appoints members of the Government, and is the principal Government figure in the House of Commons.

See also the Cabinet Office