where he served from 1946 to 1953, working on the post-war reconstruction of Greater London and masterminding the Festival of Britain including such buildings as the Royal Festival Hall, 1951. It was during these formative postwar years that the LCC's housing and town planning policy established an international reputation, and many housing schemes (including the famous Roehampton housing estate) were created, as well as many schools.

In 1956 with Stirrat Johnson-Marshall,