Clapham Junction
From Tardis Wiki, the free Doctor Who reference
Clapham Junction was a location in London. A dead-end alleyway in the area was the location of a manhole leading down through the sewers into a cavernous area containing an ancient Cyberon pod. (HOMEVID: The Only Cure)
When Clyde Langer entered her attic for the first time, Sarah Jane Smith commented "It's getting like Clapham Junction up here". (TV: Revenge of the Slitheen)