William Edward Vernon Crompton was born in Whitehaven, Cumberland, England in 1867. He trained as an architect with E. Crompton in Whitehaven in 1883-84 and Charles Trubshaw (1841-1917() in Derby from 1884 to 1886. He was an improver with Christopher Obee Ellison (1832?-1904) from 1886 to 1888 and was then an assistant to James Ledingham (1849-1926) from 1888 to 1892. In 1894 Cromton was awarded the Ashpitel Prize and qualified as an architect in 1894.
Crompton commenced practice as an architect in Wigan, Lancashire in 1892 and was briefly in partnership with W. Verity in 1892. In 1899 he joined the London-based practice Lander & Bedells, a firm of nonconformist architects, subsequently renamed Lander, Bedells & Crompton.
Crompton was elected an Associate of the Royal Institute of British Architects (ARIBA) in 1895 and a Fellow of the Royal Institute of British Architect (FRIBA) in 1905. He was elected a member of the Art Workers Guild in 1916. He died in Southport, Lancashire on 24 July 1937
Banking premises, Rochdale, 1896; Village Hall, Kirkby Lonsdale, 1897; Foreign Flower Market, Covent Garden, 1903-4: extension of English Flower Market, Covent Garden, 1903-6; Dilke House, Malet Street, W.C, 1914: War Memorial Altar Screen, etc., Emanuel Church, Southport, 1922; various houses in Middlesex, Hampshire, Surrey, Oxfordshire, Westmorland, and Lancashire, 1895-1923. [Source: Who's Who in Architecture 1926]
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
Who's Who in Architecture 1926. Edited by Frederick Chatterton. London: Architectural Press, 1926