Albert Lancelot Lang was born in Morcambe, Lancelot Lang on 17 March 1878 and was articled to Marshall Brothers in Lancaster, Lancashire. He then worked as an architect's assistant in Morcambe from 1901 to 1904; and in Exeter City Surveyors' Office in Exeter, Devon. Lang was architect to Isleworth and Heston District Council from 1905 to 1909 when he commenced independent practice in London.
Drawings and plans of a house designed by him are illustrated in Designs for One Hundred Ideal £1,000 Houses. Being copies of the hundred best designs entered in the 1912 Daily Mail Architects' Competition (1912 p.68).
Lang was a Member of the Society of Architects (MSA) and was admitted a Licentiate of the Royal Institute of British Architects (LRIBA) in 1925 and and a Fellow of the Royal Institute of British Architects (FRIBA) in 1932
His address was given as 31, High Street, Hounslow, London in 1912 and 1914; Oakfleld College Road, Isleworth, London in 1923 and 1939. He died in Ealing, Middlesex on 18 May 1951.
Directory of British Architects 1834-1914. Compiled by Antonia Brodie, et al. Volume 2: L-Z. London; New York: British Architectural Library, Royal Institute of British Architects/Continuum, 2001