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Certain |
Probable |
Questionable or Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace | ||||
| Name | Alternative Name(s) | County | Remains | Blackwell Point | Middlesex | no visible |
| Dartmouth Gommerock Harbour Chain | Devon | cropmark/slight earthwork | |
| East Cowes | Old Castle Point | Hampshire, Isle of Wight | no visible |
| Fowey Blockhouse | Fowey Castle | Cornwall | major building |
| Gosport Tower | Fort Blockhouse; Lymdens Bulwark; Chiderodd; The bulwark of Mr Sperte's making | Hampshire | no visible | Great Yarmouth coastal defences | St Nicholas Gat; South Mount | Norfolk | no visible | Hartlepool Chain Towers | Durham; County Palatinate of | no visible |
| Kingston upon Hull, South End chain tower | Yorkshire East Riding | no visible | Lee Ness | Kent | no visible |
| Norwich City Wall and Cow Tower | Norwici | Norfolk | major building | Penryn harbour chain and defences | Cornwall | no visible |
| Plymouth Blockhouse and Harbour Chain | Devon | no visible | |
| Polruan Blockhouse | Polruan Castle | Cornwall | major building |
| Portsmouth Round Tower | Hampshire | major building | Upnor Castle | Upnore | Kent | major building |
| York City Wall | Bootham Bar; Micklegate Bar; Walmgate Bar; Fishergate Bar; Monk Bar; Castlegate Postern; Fishergate Postern; Layerthorpe Postern; Skeldergate Postern | Yorkshire Ainsty & York | major building |
| Dover Port Defences | Dover Havyn; Clerk's Pier | Kent | no visible |
| Gravesend Blockhouse | Cranes Bulwark; Le Grene | Kent | masonry footings |
| Kingswear Castle | Devon | major building | |
| West Tilbury Blockhouse, Tilbury Fort | The Hermitage Bulwark; Thermitage Bullwark; Johne's Bulwark; Tylbery | Essex | no visible |
