This was probably planned in the reign of Richard I though its earliest details point to a date early in the 13th century. Here Fisher, Bishop of Rochester, Sir Thomas More, tile Princess Elizabeth, and James, Duke of Monmouth, were confined during their respective sojourns.
The Curtain Wall east of this tower is pierced by the windows of the Lieutenant's Lodgings now called The King's House, and one of these windows lights the Council Chamber, where Guy Fawkes and his fellow conspirators were examined by the Council in 1605 prior to their public trial at Westminster.