William Stanley Grice was born in Ealing, Middlesex [now London], England on 3 February 1889. After studying at the Architectural Association Schools in London from 1907 to 1910, he was articled to William Alfred Pite (1860-1949) from 1909 to 1911. He remained with him as his assistant until 1911. He then worked as an assistant to Ernest George (1839-1922) and Alfred Bowman Yeates (1867-1944) of Ernest George & Yeates from 1913, and in the office of Collcutt & Hamp.
Grice qualified as an architect in 1913 and later that year was elected an Associate of the Royal Institute of British Architects (ARIBA). He practised as an architect in London from c.1914. In the early 1920s he was in partnership with William Bernard Stedman (1885-1964) in the London architectural practice Grice & Stedman, and from 1931 to c.1938 was in partnership with Denis Poulton (1901-1981) in the London architectural practice Grice & Poulton [W. S. Grace & Denis Poulton.]
Grice designed country houses in Buckinghamshire, Surrey, and Kent, a housing scheme in Somerset, and a dairy in Shepherd's Bush, London. In 1930 he designed the Silexine factory in Shepherd's Bush.
Grice was elected a Fellow of the Royal Institute of British Architects (FRIBA) in 1928. He was a member of 1st Atelier of Architecture. He died in Blackheath Village Kent on 8 December 1952.
Directory of British Architects 1834-1914. Compiled by Antonia Brodie, et al. Volume 1: A-K. London; New York: British Architectural Library, Royal Institute of British Architects/Continuum, 2001
‘Obituary’. The Builder vol. 183, 12 December 1952 p. 877
‘Obituary’. RIBA Journal vol. 60, March 1953 p. 207