George Bertram Carter was born in London, England on 1 March 1896. He trained as an architect at Blackheath School of Art in Blackheath, London from 1911 to 1915, and at the Royal College of Art in London, where he was taught by W. R. Lethaby (1857-1931) and Arthur Beresford Pite (1861-1934) from 1915 to 1917. After working as an assistant to Edwin Landseer Lutyens (1869-1944) from 1919 to 1922, he commenced practice as an architect in London and in 1922 was elected an Associate of the Royal Institute of British Architects (ARIBA).
In c.1933 he formed the architectural partnership Bertram Carter & Sloot with Lambert Louis Theodore Sloot (1894-1970). The partnership appears yo have been dissolved in 1935.
Carter was an active member of the MARS - Modern Architectural Research Group, and was its treasurer in 1944.
His address was given as 24, Craigton Road, Eltham, London in 1923 and 1926; 14 Clifford's Inn, London in 1930; and 28 Theobald Road, Gray's Inn, London in 1936 and 1939. He died in Kent in 1986
Lichfield Court in Richmond, upon Thames, London, with Sloot (1934-35); Taymount Grange in Forest Hill, London (1935); the Nurses' Home at St John's Hospital in Lewisham, London (1938); Long Acre, Forest Lane, Punnett's Town, East Sussex for Dr. J. M. Higginton (1951); and Dunn's department store in Bromley, Kent (1954-57)