Mansion House, London the columned "Egyptian Hall", was so named because Dance used an arrangement of columns deemed to be "Egyptian" by Vitruvius. No Egyptian motifs were employed. It has twenty niches for sculpture. There was originally an open courtyard, later occupied by a saloon. The residence used to have its own court of law, since the Lord Mayor is the chief magistrate of the City while in office. There were eleven holding cells (ten for men and one, nicknamed "the birdcage", for women). A famous prisoner here was the early 20th-century suffragette women's rights campaigner Sylvia Pankhurst. Mansion House is home to
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,