William Henry Harrison [also known as W.H. Harrison] was born in Northam, Northampton, England in c.1854 and was articled to Charles Kirk in Sleaford, Lincolnshire, England from 1872 to 1875. He commenced independent practice as an architect in 1880 and in 1898, with Charles Melville Seth-Ward (1868-1946), formed the partnership, Harrison & Seth-Ward. Harrison was elected a Fellow of the Royal Institute of British Architects (FRIBA) in 1889.
His address was given as 10 John Street, Adelphi, London and 59 and 60 Chancery Lane, London in 1889; and 60 Victoria Street, London in 1894 and 1923. He died in London on 9 November 1925.
Chiefly houses In the Home Counties, Northamptonshire, Leicestershire, and Scotland. [Source: Who's Who in Architecture 1923]
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. 129, 18 December 1925 p. 875
‘Obituary’. Royal Institute of British Architects Journal vol. 33, 1926 p. 120
Who's Who in Architecture. Edited by Frederick Chatterton. London: The Architectural Press, 1923