He joined the royalist uprising under Sir George Booth, when he declared for Charles II in Cheshire in 1659, and suffered a short imprisonment.
After the Restoration he was made custos rotulorum of Montgomeryshire (24 August 1660), and Denbighshire (1666).
[1] He died 9 December 1678, and was buried in St Edmund's Chapel, Westminster Abbey.
He built a half timbered mansion in Lymore Park, which was completed in 1677, the year before his death.
Lymore lies to the east-southeast of Montgomery, and the house was largely demolished in 1931[2] Herbert married firstly Anne, daughter of Sir Thomas Myddelton of Chirk Castle, and secondly, Elizabeth, daughter of George Brydges, 6th Baron Chandos, but had no issue.