 In July 1660 he became commissioner for oyer and terminer for Middlesex, and in August 1660 became commissioner for assessment for Suffolk.Brooke was re-elected MP for Aldeburgh in 1661 for the Cavalier Parliament where he was very active.In 1661 he became commissioner for assessment for Aldeburgh and in 1662 became a JP for Essex and one of the Six Clerks in Chancery.