Leonard Percy Kerkham was born in Kings Lynn, Norfolk, England in c.1868. By the early 1890s he had moved to Chelmsford in Essex and in the 1891 England and Wales Census he gave his occupation as Architect and Surveyor. It is not known where and with whom he received his training. By 1897 he was living in Harrow, Middlesex. In the late 1890s or early 1900s he moved to Gerrards Cross in Buckinghamshire and was senior partner in the architectural firm Kerkham, Burgess & Myers. The practice designed several properties in the town including shops and private houses. In 1919 Kerkham's address was given as Rosemount Court, Byfleet, Surrey although he appears to have still been active as an architect in Gerrards Cross and in c.1925 designed Thorpe House School, a boys' school in the town. He also worked as an architect in Byfleet. A house in Byfleet designed by Kerkham is discussed in Small Family Houses by R. Randal Phillips (1924 pp. 74-76) He died in 1948 and was buried in Byfleet on 3 February 1948.
Hunt, Julian and Thorpe, David. Gerrards Cross: A History. Bognor Regis, West Sussex: Phillimore & Company, 2006