Granville was born in Egypt, educated at Bloxham School and received his medical training at St Bartholomew's Hospital.
[1] He initially worked as a physician and house-surgeon at the West London Hospital in Maida Vale.
He subsequently joined the colonial Egyptian Government Service, where he would hold several important posts.
Granville worked as inspector of the Public Health Department, director at the Ministry of Interior and Director-General of the Alexandria Municipality.
[3] He was President of the Quarantine Board of Egypt and in 1920 he was invested as a Commander of the Order of the British Empire.