Downham is a district of South East London, England, primarily within the London Borough of Lewisham and some parts in the London Borough of Bromley. It is located north of Bromley and south of Catford.

Lewisham is a London borough in south-east London, England. It forms part of Inner London. The principal settlement of the borough is Lewisham. The local authority is Lewisham London Borough Council, based in Catford. The Prime Meridian passes through Lewisham. Blackheath, Goldsmiths, University of London and Millwall F.C. are located within the borough.