From the 18th century ancestral home of Warminster in Wiltshire, Sydney's father and other members of his family moved to South London circa 1900
The Allard Motor Company was an English car manufacturer founded by Sydney Allard. In 1935 Allard created his first Allard Special, a Bugatti-tailed two-seater which won its first event at Taunton. Allard then began to build replicas for sale[1]. The Allard Motor Company was founded in 1945 in Clapham, London, and produced approximately 1900 cars until its closure in 1966.( Grace's Guide)