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 Portugal Portuguese Republic. The official residence of the Prime Minister is a mansion next to São Bento Palace, which, in confusion, is also often called "São Bento Palace". Portuguese Prime Ministers of the Third Portuguese Republic: Just behind the main building of the Assembly of the Republic, there is a mansion that serves as residence and office for the Prime Minister of Portugal. The mansion, dated from 1877, was built within the garden of the old monastery that held the Portuguese Parliament. It has been the Prime Minister's official residence since 1938, when Salazar moved in. Although it is the official