William Charles (known as Charles) was the eldest child and only son of George Waymouth (Architect) and Louisa Emily (nee Kerby) of Hornsey, London.

Charles was educated at Mill Hill School and then trained as an architect, winning Institute of Architects medals.   He set up practice for both private and commercial clients in High Holborn, London.   He built a number of houses at Barnet, and the family lived in one of them.   During the 1939-45 war he was one of two Diocesan architects for London and took charge of bomb damage repairs for 32 churches.

Charles was much involved in the early missions to Uganda.   He also did much architectural work, free of charge, for his local church.

Charles married Winifred Mather in 1897.   They had two sons and a daughter.   Winifred died in 1943 and in 1944 Charles married Olive Catherine Marks.