 In 1775 he inherited substantial estates in northwest Kent (today part of southeast London) from his great-uncle Sir Gregory Page, and added "Page" to his surname.These included a mansion and of estates at Wricklemarsh (today part of Blackheath), which were sold in 1783 for £22,000 to John Cator.That year he served as High Sheriff of Oxfordshire and then as MP for Thirsk from April 1784 until his death in 1805.