Nunhead is an area in the modern borough of Southwark (London, England).

In London Labour and the London Poor edition: 

Phase 1

A Visit to the Cholera Districts of Bermondsey (Morning Chronicle): "In the days of Henry II, the foul stagnant ditch that now makes an island of this pestilential spot, was a running stream, supplied with the waters which poured down from the hills about Sydenham and Nunhead, and was used for the working of the mills that then stood on its banks."