First Lord of the Treasury that office; in this case, the Second Lord of the Treasury usually served as Chancellor. As of 1841, the Chancellor of the Exchequer has always been Second Lord of the Treasury when he was not also Prime Minister. By convention, the other Lords Commissioners of the Treasury are also Government Whips in the House of Commons. 10 Downing Street is the official residence of the First Lord of the Treasury, and not of the Prime Minister. Chequers, a country house in Buckinghamshire, is the official country residence of the Prime Minister, used as a weekend and holiday home, although the
Prime Minister of the United Kingdom can authorise, but not directly order, the use of Britain's nuclear weapons and the Prime Minister is hence a Commander-in-Chief in all but name. The Prime Minister makes all the most senior Crown appointments, and most others are made by Ministers over whom the PM has the power of appointment and dismissal. Privy Counsellors, Ambassadors and High Commissioners, senior civil servants, senior military officers, members of important committees and commissions, and other officials are selected, and in most cases may be removed, by the Prime Minister. The PM also formally advises the Sovereign on the appointment of Archbishops and Bishops