Mansion House, London Mansion House, London Mansion House is the official residence of the Lord Mayor of London. It is a Grade I listed building. It is used for some of the City of London's official functions, including two annual white tie dinners. At the Easter banquet, the main speaker is the Foreign Secretary, who then receives a reply from the Dean of the Diplomatic Corps, i.e. the longest-serving ambassador. In early June, it is the turn of the Chancellor of the Exchequer to give his "Mansion House Speech" about the state of the British economy. Mansion House was built between 1739 and
London House, Aldersgate Street Lord Petre after the restoration to be the London City mansion of the Bishop of London. From that time it was known by the name of London House. After the bishops ceased to use it as a residence, it was at last let out into tenements and warehouses. In 1750–1751 the "City of London Lying-in Hospital for married women and sick and lame Outpatients" was located in London House before moving to Thanet or Shaftesbury House also in Aldersgate Street. In the late 1760s the structure was consumed by fire, and private buildings were erected in its place. London House,