Walmer Castle against Charles' brother, King James II, the townsfolk of Deal seized Walmer Castle on behalf of William III, the Prince of Orange. By the end of the century, however, the castle was increasingly regarded as out of date from a military perspective. In the 18th century, Walmer Castle became the official residence of the Lord Warden of the Cinque Ports. The Lord Warden was originally a medieval title linked to five key ports along the coast of England; the position's prominence had faded, but it still retained important judicial and military functions. When Lionel Sackville, the Duke of Dorset, was
Allington Castle a bend in the River Medway about north of Maidstone. The fortification was subsequently expanded but as it was an unauthorised adulterine castle, its demolition was ordered in 1174 during the reign of Henry II. It was replaced with a small unfortified manor house. The present castle was built between 1279–99 by Stephen de Pencester, the Lord Warden of the Cinque Ports, who was granted a licence to crenellate the existing manor house by Edward I. It was inherited by Penchester's daughter and passed via marriage to the Cobham family, who owned it until 1492. The building's development was continued