Yass, New South Wales
Upon retirement, Coward and his wife moved to Canberra, Australia. There, he built one of the territory's first passively heated homes and converted a half-acre paddock into an organic garden. He died on 25 July 2012 in Yass, New South Wales. His wife survived him. He is buried in Michelago, New South Wales, alongside the two daughters who predeceased him.