Lord Warden of the Cinque Ports was combined from 1267 with the office of Constable of Dover Castle. However, from 1708 Walmer Castle at Deal was to be preferred as the official residence of the Lord Warden of the Cinque Ports. The Lord Warden also holds the office of Admiral of the Cinque Ports with a maritime jurisdiction extending to the middle of the English Channel, from Redcliffe near Seaford, in Sussex to the shore underneath the Naze Tower, encompassing Brightlingsea in Essex, the only Cinque Port north of the Thames. In earlier centuries the northern limit was taken as the Shoe Beacon in Essex. The
HMS Lord Warden (1865) side of the upper deck, was protected by wrought-iron armour that tapered from at the ends to amidships. It extended below the waterline. The forward chase guns on the upper deck were protected by 4.5-inch armour plates on the sides of the hull and a 4.5-inch transverse bulkhead to their rear protected them from raking fire. The armour was backed by of oak and the iron skin of the ship. "Lord Warden", named after the position of the Lord Warden of the Cinque Ports, was ordered on 25 May 1863 from Chatham Naval Dockyard. She was laid down on 24