Highgate

Highgate was an area of London. Gralstead House was located there. (AUDIO: The Ghosts of Gralstead)

In 1972, it was visited by the Twelfth Doctor and Clara Oswald. (COMIC: The Highgate Horror)

In 2009, Gregory P. Wilkinson was living in a Victorian house in Highgate. Rani Chandra and Sarah Jane Smith visited him there because Rani wanted to do an interview with him. (AUDIO: Wraith World)

In 2016, the offices of Reyland Developers, a company owned by Constantine Oliver, were in Highgate. (PROSE: The Stone House)