107 Baker Street

107 Baker Street was a house in London which the Fifth Doctor owned and lived in from November 1866 to November 1867. (AUDIO: The Haunting of Thomas Brewster)

By 1972, the house was the base of the Ides Scientific Institute. (AUDIO: Fugitives)

From 2008 to 2010, Thomas Brewster lived in the house, which was given to him by the Doctor as a present. (AUDIO: A Perfect World, AUDIO: The Crimes of Thomas Brewster)