Lords Commissioners of the Treasury concomitant, so much so that the Prime Minister's official residence, 10 Downing Street, is in fact the official residence of the First Lord of the Treasury, which title is named on the letter box. Salisbury, as a marquess of vast independent wealth, had no use of an official residence, instead living in his grander town house at 20 Arlington Street in St James's, and could instead bestow it as a perquisite to other ministers, along with the First Lordship itself. Other positions have been linked to the Prime Ministership as well. Continuously since 1968, when the position was created by
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