 At his suggestion Koon-Teck went to London to address the Board of Drectors there and was appointed a Director with a responsibility for Sales.Koon-Teck's interest in taking up the Directorship with Sembawang Estate was to help people through the construction of low-cost housing.His first project involved 100 acres at Sembawang, Upper Thomson Road, entirely built under his supervision, and sold at prices below that being charged by the syndicate who had bought the land earlier (for Serangoon Gardens estate).