Charles Lionel Fleming-Williams [also known as Charles Lionel Fleming Williams] was born Charles Lionel Williams in Dalston, Hackney, Middlesex [now London], England in 1879. He was articled to Rowland Plumbe (1838-1919) in London in 1896 and remained with him as his assistant. He also attended classes at the Architectural Association Schools in London. He qualified as an architect in 1905 and was elected an Associate of the Royal Institute of British Architects (ARIBA) later that year.
By 1907 he was in partnership with John Charles Stephen Mummery (1862-1949) as Mummery & Fleming Williams. The practice designed the Whitefield Tabernacle on Alexandra Park Road, London in 1907
In 1913 Fleming-Williams and Mummery joined Plumbe in partnership as Rowland Plumbe & Partners. During World War One Fleming-Williams served as a 2nd Lieutenant in the Royal Engineers.
His address was given as 13 Fitzroy Square, London and 50 Kenninghall Road, Clapton, London in 1901 and 1905; and 4 Holmbury View, Springfield, Clapton, London in 1911 and 1914. He died at 2 Runwell Terrace, Southend on Sea, Essex on 4 March 1919.
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’. RIBA Journal, vol. 26, April 1919, p. 141.