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,
Lord Mayor of London government ministers, businessmen and dignitaries; furthermore, they conduct several foreign visits of their own so as to promote British financial sectors. Banquets hosted by the Lord Mayor serve as opportunities for senior Government figures to deliver major speeches. At the Lord Mayor's Banquet (held on the Monday after the Lord Mayor's Show), the Prime Minister delivers the keynote address. At the Banker's Dinner in June, the Chancellor of the Exchequer delivers a speech known as the "Mansion House Speech", which takes its name from the Lord Mayor's residence. At the Easter Banquet, also hosted each year at the Mansion House,