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 Admiralty First Lord of the Admiralty The First Lord of the Admiralty, or formally the Office of the First Lord of the Admiralty, was the political head of the Royal Navy who was the government's senior adviser on all naval affairs and responsible for the direction and control of Admiralty Department as well as general administration of the Naval Service of the United Kingdom, that encompassed the Royal Navy, the Royal Marines and other services. It was one of the earliest known permanent government posts. Apart from being the political head of the Royal Navy the post holder simultaneously held the