He matriculated at Wadham College, Oxford, in 1666 and was awarded a BA in 1670, and in the same year was admitted at the Middle Temple.
[2] He was selected High Sheriff of Surrey for the year 1686 to 1687 and served as a Deputy-lieutenant of the county from February to October 1688 and from 1702 onwards.
[3] He was returned again at Guildford unopposed at the 1715 British general election but the cumulative cost of his electioneering forced him to sell his property in Chilworth in 1720.
He stood for Guildford for the last time at the 1722 British general election, but was defeated in a contest.
[4] Randyll died in obscurity sometime after 1735, leaving two daughters, one of whom married Gilbert Vane, 2nd Baron Barnard.