Monument Class Description of the Monuments Protection Programme

Another classification scheme in use is the Monument Class Description of the Monuments Protection Programme, this has its problems but some of these are recognised and are under review. Below is a list of the Monument Classes that cover Medieval Fortifications, (with alternative, colloquial and related terms in parenthesis), {Ordnance Survey Map term in curly brackets} and [RCHME Monument Type in square brackets] these are linked to the relevant page on the English Heritage web site which give full definitions etc.

• Artillery Castles (Bulwark; Citadel; Defence; Fort; Fortification; Fortress) {Castle} [Artillery Castle]
• Bastles (Bastle house; Bastle-house; House, bastle; House, peel; House, strong; Peel house; Pele; Strong house) {Bastle} [Bastle]
• Blockhouses (Bulwark; Castle; Cavalier; Fort; Fortlet; Fortress; Gun tower; Tower) {Blockhouse; Castle} [Blockhouse]
• Chain Towers (Bulwark; Castle; Fort; Fortress; Gun Tower; Tower) {Blockhouse; Castle} [Boom Tower]
• Cross Dykes (Covered way; Cross-ridge dyke; Linear ditch; Linear earthwork; Ranch boundary; Spur dyke) {Dike; Double dike; Earthwork} [Cross Dyke]
• Earthen Artillery Defences (Battery; Bulwark; Citadel; Defence; Earthwork; Enclosure; Fortification; Fortress) {Castle; Fort} [No Equivalent Term]
• Enclosure Castles (Donjon; Castle; Curtain; Earthwork; Enceinte; Fort; Fortress; Great tower; Tower; Ward) {Castle} [Castle]
• Fieldwork (Bulwark; Castle; Earthwork; Enclosure; Fieldwork; Fort; Mound; Redoubt; Ring; Sconce) {Earthwork (or name of site)} [Fieldwork]
• Frontier Works (Medieval) (Dykes; Frontier dykes; Linear earthwork) {Name of earthwork} [Frontier Defence]
• Magnates Residences (Medieval) (Archiepiscopal palaces; Aristocratic residences; Bishops' manors; Bishops' palaces; Episcopal palaces; Manors; Palaces; Royal palaces; Royal residences) {Name of site} [No Equivalent Term]
• Moats (house, moated; house, moated manor; homestead moat; moat; moated house; moated manor; moated manor house; moated mound; moated site) {Moat} [Moat]
• Motte and Bailey Castles (Castle: Castle, motte and bailey; Castle mound; Courtyard; Donjon; Earthwork; Earthwork castle; Enclosure; Fort; Mound; Ward) {Motte & Bailey} [Motte and Bailey]
• Motte Castles (Castle; Castle mound; Donjon; Earthwork castle; Fort; Motte; Mound) {Motte} [Motte]
• Quadrangular Castles (Castle; Concentric castle; Fort; Fortress; Great tower; Ward) {Castle} [Quadrangular Castle]
• Ringworks (Bank; Castle; Earthwork; Earthwork castle; Enclosure; Fort; Motte; Motte and Bailey; Ringwork castle) {Ringwork, (but alternative terms often used)} [Ringwork]
• Shell Keeps (Castle; Donjon; Enclosure; Fort; Motte; Motte and Bailey) {Shell Keep, but alternative terms often used} [Shell Keep]
• Tower Keep Castles (Castle; Donjon; Dungeon; Fort; Great tower; Hall keep; Juliet; Keep; Norman keep; Tower) {Castle; Keep} [Tower Keep]
• Tower Houses (Bastle house; Bastle-house; House, bastle; House, pele; House, strong; House, tower; Peel house; Pele; Pelehouse; Pele tower; Strong-house; Towerhouse) {Bastle} [Tower House]

It should be noted this is still an initial list and it is expanding.