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
Lords Commissioners of the Treasury an office in commission, technically all Lords Commissioners of the Treasury are of equal rank, with their ordinal numbers connoting seniority rather than authority over their fellow Lords Commissioners. However from at least the reign of Queen Anne de facto power has rested with the top-numbered Lords. Currently, there are eight Lords Commissioners of the Treasury: Of all the Lords Commissioners of the Treasury, typically the only one who actually works in HM Treasury in reality is the Second Lord, as Chancellor of the Exchequer. Since the formation of the office of Prime Minister (including in the case of Sir