Sydenham
Sydenham was a location in London. According to Charlotte Pollard, it later became known as Crystal Palace, owing to its location being the site of the famed Crystal Palace. (AUDIO: The Next Life)
History
After the The Great Exhibition concluded, the Crystal Palace was moved from Hyde Park to South London, (COMIC: The Eagle of the Reich) or more specifically Sydenham. (AUDIO: A Spoonful of Mayhem, COMIC: The Crystal Throne) It was reopened there on 10 June 1854. (COMIC: The Crystal Palace)
The Paternoster Gang and Missy all visited the Crystal Palace in Sydenham at different times in the late 19th century. (COMIC: The Crystal Throne, AUDIO: A Spoonful of Mayhem)
Charlotte Pollard visited the relocated Crystal Palace as a child. Her father had driven them there, stopping in Kingston on the way. (AUDIO: The Next Life)
On 30 November 1936, the Crystal Palace was destroyed in a fire, which was either caused by a hatched Phoenix (COMIC: The Eagle of the Reich) or the Tenth Doctor in defeating Victumus. (COMIC: The Crystal Palace)
Gallows Gate Road was located in Sydenham. Residents of No.1 Gallows Gate Road included Robert Mann, Mrs Mann, Major Wooley, Clive Plympton, M. Sillington, Miss Gibbs, and Bertha Baxter. The Tenth Doctor also lived there for a day in 1940. (PROSE: Number 1, Gallows Gate Road)
On New Year's Eve 1999, Ben Jackson told the Second Doctor, Polly Wright and Jamie McCrimmon stories about the pub that he was running in Sydenham. (PROSE: That Time I Nearly Destroyed the World Whilst Looking for a Dress)
Billy Burnham owned a motor business in Sydenham. (AUDIO: Death in Blackpool)
Behind the scenes
In real-world London, Sydenham and Crystal Palace, while close to one another, are generally perceived as two distinct areas.
