Place Names

At his new site Humphrey with His Flail, folklorist Paul Cowdell mentions that Geraldine Mary Harmsworth Park by the Imperial War Museum was, up until at least the 1970s, known to many locals as Bedlam Park, on account of it being the site of the Bethlehem Mental Hospital from 1815 to 1930. This is a good example of an unofficial place name preserving the memory of old names and places.

Can you think of any other examples of South East London places where the names people use (or have used) for them differ from the official names given on maps and street signs?

The best example I can think of is The Blue in Bermondsey, a name still commonly used to describe the market and a specific stretch of Southwark Park Road near to the Blue Anchor pub. There has been a pub with this name there since at least the 17th century and the road by it was actually only renamed from Blue Anchor Lane to Southwark Park Road in 1878. It was originally a raised causeway aross the marshy ground.

Another minor example is East Street, home to the well-known market in Walworth. I have heard people refer to it as East Lane, its previous moniker.