He was educated at Rugby School and matriculated in 1873 Corpus Christi College, Oxford, where he gained a First Class degree in literae humaniores in 1876, graduating B.A.
In 1880 he was called to the bar at the Inner Temple and worked on the North Wales and Chester Circuit.
[2] In 1900 Egerton published a biography of Stamford Raffles and he edited a collection of Sir William Molesworth's speeches in 1903.
He argued that the British engaged in "peaceful occupation of, apparently, vacant lands" and that trouble arose from nearby aboriginals.
[1][2] Lucas Malet was a family friend, and stayed with the Egertons at Mountfield Court in Sussex in 1899.