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
Cinque Ports an early concept that military service at sea constituted land tenure "per baroniam" making them "quasi" feudal barons. The early-14th-century treatise "Modus Tenendi Parliamentum" stated the Barons of the Cinque Ports to hold a place of precedence below the lay magnates (Lords Temporal) but above the representatives of the shires and boroughs (Knights of the Shire and burgesses). During the deposition of Edward II, the chronicles made a specific point of noting the presence of the Barons in the embassy of deposition - "praecipue de portubus...barones des Portez" ('especially the [Cinque] Ports...the barones of the Ports'). Writs of summons to