Certain |
Possible |
Questionable Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace |
| Name | Alternative Name(s) | County | Remains |
| Green Dike | Yorkshire North Riding | Earthworks | |
| Southwold Gun Hill and Higham Bulwark | Hiham Bulwark; Fort Sussex | Suffolk | Nothing visible |
| The Downs Beach Fortifications | Great Turf Bulwark, Great White Bulwark | Kent | Nothing visible |
| War Dike | Steindic | Yorkshire North Riding | Earthworks | Barons Dyke | Bishops Dyke; Bar Dyke; White Moss | Cumberland | Earthworks | Basco Dyke, Ainstable | Cumberland | Nothing visible | Borrowdale Dyke | Westmorland | Nothing visible | Clennell Street Cross Dyke 1 | Copper Snout | Northumberland | Cropmarks/slight earthworks | Clennell Street Cross Dyke 2 | Wholehope | Northumberland | Cropmarks/slight earthworks | Clennell Street Cross Dyke 3 | Northumberland | Cropmarks/slight earthworks | Clennell Street Cross Dyke 4 | South East of Uplaw Knowe | Northumberland | Cropmarks/slight earthworks | Clennell Street Cross Dyke 5 | Uplaw Know | Northumberland | Cropmarks/slight earthworks | Clennell Street Cross Dyke 6 | South East of Hoseden Linn | Northumberland | Earthworks | Harringtons Dyke | Roeburndale | Lancashire | Uncertain | Minsmere Tudor entrenchments | Suffolk | Nothing visible | Salkeld Dyke | Cumberland | Nothing visible | Scots Dike | Scots Dyke | Cumberland | Earthworks | Sheringham and Cromer Cliff defences | Norfolk | Nothing visible | Weybourne Fort | Norfolk | Nothing visible | Weybourne Hoop | Black Joy Fort; Waybourne Hope; Cley; Clay | Norfolk | Earthworks | Weybourne Hope Beach Defence | Wabourne; Wauburne-hope | Norfolk | Nothing visible |
| Abingdon, Serpenhills | Shippon; Northcourt | Berkshire | Nothing visible |
| Black Dyke | Northumberland | Earthworks | |
| Crosby Ravensworth Dyke | Westmorland | Cropmarks/slight earthworks |