Gianni Botsford Architects adds trapezoidal home to Norman Foster extension

Local studio Gianni Botsford Architects has added an extension to a house in Hampstead, London, that complements a distinctive, high-tech addition created by Norman Foster in the 1960s.

After the home was acquired by new owners, Gianni Botsford Architects was tasked with maintaining the extension but replacing the original 1860s coach house with a complementary four-storey home, which the studio named Reciprocal House.

Set on a quiet mews site, the extension was created in 1968 by Foster Associates ...