In 1947, he was appointed as the Chairman of the Development Corporation of Crawley New Town, in West Sussex, a post he held until 1960. In his early days at the Development Corporation, he was responsible for the scrapping of the existing plans for the New Town, and the appointment of Sir Anthony Minoprio to create a new master plan. When the town was built, a new comprehensive school was named for him, opening in 1958. He also took over responsibility for the Stevenage New Town which had been initially the responsibility of Monica Felton.