Chancellor of the Exchequer of its interest rates. The chancellor also has oversight of public spending across Government departments. The holder of the office of Chancellor of the Exchequer is "ex officio" Second Lord of the Treasury as a member of the commission exercising the ancient office of Lord High Treasurer. As the Second Lord, his official residence is 11 Downing Street in London, next door to the residence of the First Lord of the Treasury (a title that has for many years been held by the prime minister), who resides in 10 Downing Street. While in the past both houses were private residences,
Lords Commissioners of the Treasury Harold Wilson, the Prime Minister has also served as Minister for the Civil Service. The adoption of this additional position was directly linked to reforms to HM Treasury, being created when responsibilities for the pay and management of the civil service was transferred from the Treasury to a new Civil Service Department. Since the Prime Minister was a Lord Commissioner of the Treasury, prior to the reform he had had ex officio oversight of these portfolios, but it was felt more proper for the civil service to be held outside of a particularised department. Nevertheless in recognition of the primary