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
Lord Mayor of London Cathedral. The Lord Mayor also heads the City's Commission of Lieutenancy, which represents the Sovereign in the City of London (other counties usually have Lord Lieutenants, as opposed to Commissions), and annually attends the Treloar Trust (named after Sir William Treloar, Lord Mayor in 1906), in Hampshire. The Treloar Trust runs two educational sites for disabled children, a school and college. The residence of the Lord Mayor is known as Mansion House. The creation of the residence was considered after the Great Fire of London (1666), but construction did not commence until 1739. It was first occupied by a Lord