Percy Gerald Newton was born in Annesley, Surrey, England on 8 October 1880. He was articled to Richard Claytor Millar of Millar & Symes in Dublin, Ireland from 1898 to 1902 and remained with him as his assistant from some months. Later that year he began working as an assistant in the Barrack Construction Section of the Architects' Department of the War Office. By 1912 he was in practice in London and by 1920 he had relocated his practice to Orpington in Kent.
Newton was elected a Licentiate of the Royal Institute of British Architects LRIBA) in 1912). His address was given as 80 Pall Mall, London in 1912; "Allendale", 46, Dalmeny Avenue, Norbury, London in 1912 and 1914; High Street, Orpington, Kent. in 1920 and 1926; Orchard Glan, Tumbledene Lane, Orpington, Kent in 1930 and 1934. He died in Farnborough, Kent, on 2 February 1934
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