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,
First Lord of the Treasury person; see the list of 20th century British prime ministers. First Lord of the Treasury The First Lord of the Treasury is the head of the commission exercising the ancient office of Lord High Treasurer in the United Kingdom, and is now always also the Prime Minister. This office is not equivalent to the usual position of the "Treasurer" in other governments; the closer equivalent of a Treasurer in the United Kingdom is the Chancellor of the Exchequer, who is the Second Lord of the Treasury. As of the beginning of the 17th century, the running of the Treasury was