Thamesmead is a district located in the London Borough of Bexley and the Royal Borough of Greenwich in Greater London, England. It is situated on the south bank of the River Thames and is known for its modernist architecture and urban planning. Thamesmead was originally developed in the 1960s and 1970s as a planned town to alleviate overcrowding in inner-city London. The area is characterized by its large housing estates, interconnected walkways, and man-made lakes. The architecture of Thamesmead is often described as futuristic and has been featured in various films and television shows.