The Isokon building in Lawn Road, Hampstead, London is a concrete block of 34 flats designed by architect Wells Coates for Jack and Molly Pritchard. They were built between 1933 and 1934 as an experiment in communal living.
Pre-World War 2 residents included Walter Gropius, Marcel Breuer, Agatha Christie and László Moholy-Nagy.
The Isokon company folded during World War 2 and in 1972 the building was sold to Camden Council . It was refurbished by a housing association in 2003.
The block has controversially been given Grade 1 listed status, despite being considered ugly by some people.