He succeeded his father on 27 April 1614 and was knighted on 14 March 1617 at Whitehall.
He was much troubled for some years with litigation over his father's estate, and in particular the validity of his last will and testament, which left much of the estate away from the immediate family to a cousin, Edward Egerton of Wrinehill.
In 1624, he was elected Member of Parliament for Wootton Bassett in the Happy Parliament He was a great supporter of the Royalist cause during the English Civil Wars, although he was too old to take an active part.
[1] Egerton died suddenly and was buried on 3 October 1646, at Farthingho.
Bridget, who had some fame as a writer on religion, died on 28 July 1648, and was buried at Farthingho.