Mansion House, Dublin Mansion House, Dublin The Mansion House () on Dawson Street, Dublin, has been the official residence of the Lord Mayor of Dublin since 1715, and was also the meeting place of the Dáil Éireann from 1919 until 1922. The Mansion House was built in 1710 by the merchant and property developer Joshua Dawson, after whom Dawson Street is named. Dublin Corporation purchased the house in 1715 for assignment as the official residence of the Lord Mayor. It retains this purpose to this day. In 1821, the Round Room was built in order to receive King George IV., while the distinctive
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,