Certain |
Possible |
Questionable Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace |
| Name | Alternative Name(s) | Type | Remains | Amerston Hall, Embleton | Fortified Manor House | Nothing visible |
| Amrita Cottage, Ireshopeburn | Bastle | Masonry ruins/remnants | Archdeacon Newton Manor | Fortified Manor House | Masonry footings |
| Bale Hill House, Wolsingham | Baal Hill; Baylehilhouse | Bastle Pele Tower Palace |
Masonry ruins/remnants |
| Barnard Castle | Barney Castle, Bernard's Castle | Masonry Castle Timber Castle Palace |
Major |
| Bearpark Priors House | Palace | Nothing visible | Belasis Hall | Bellasis | Fortified Manor House | Cropmarks/slight earthworks |
| Bishop Auckland Castle | Akeland; Aukland | Masonry Castle Palace |
Major |
| Bishop Middleham Castle | Fortified Manor House Palace |
Cropmarks/slight earthworks | |
| Bishopton Castle Hill | Castle Holl; Biscoptun | Timber Castle | Earthworks | Blackwell Castle Hill, Darlington | Timber Castle | Cropmarks/slight earthworks |
| Bonnymoor Cottage and Harthopeburn Cottage, St John's Chapel | Bastle | Masonry ruins/remnants | |
| Bradley Hall, Wolsingham | Braydley | Fortified Manor House | Masonry ruins/remnants |
| Brancepeth Castle | Branspeth | Masonry Castle | Major |
| Brimmy Castle | Broomy Castle | Timber Castle | Nothing visible |
| Castelhous, Mainsforth | Uncertain | Nothing visible | |
| Castle Eden | Masonry Castle | Nothing visible | |
| Castle Hill, Town Kelloe | Quarrington | Timber Castle | Uncertain |
| Castle Steads, Rowley Farm, Esh Winning | Castlesteads; Lanchester; Hamsteels | Fortified Manor House | Cropmarks/slight earthworks |
| Chapel Garth, Barforth | Timber Castle | Nothing visible | Cleadon | Whitburn | Tower House | Nothing visible |
| Cobby Castle, Tow Law, | Pele Tower | Nothing visible | Cowpen Bewley Low Grange Farm | Tower House | Nothing visible |
| Cowshill Bridge End Bastle | Bastle Pele Tower |
Masonry ruins/remnants | |
| Dalden Tower, Seaham | Dalton; Dawdon; Daldun | Tower House | Masonry ruins/remnants | Darlington Bishops Palace | Old Hall; Hall Garth | Palace | Nothing visible |
| Durham Castle | Dunelm | Masonry Castle Palace |
Masonry ruins/remnants | Durham Cathedral | Dunelm | Fortified Ecclesiastical site | Masonry ruins/remnants | Durham City Church of St Giles | Siege Work | Nothing visible |
| Durham City Wall | Promontory Wall | Urban Defence | Major | Eden Hall Tower, Peterlee | Little Eden; Chapel Hill | Tower House | Nothing visible | Egglescliffe Castleholmes | Castle Holm | Timber Castle | Nothing visible |
| Egglescliffe; The Devils Hill | Timber Castle | Cropmarks/slight earthworks | Evenwood; The Barony | Tower House Palace |
Cropmarks/slight earthworks | Gainford Tower | Tower House | Nothing visible | Gaittecastellum | Gaitlecastellum | Timber Castle | Uncertain | Gate Castle, Stanhope | Gaitte; Gates | Pele Tower | Cropmarks/slight earthworks | Gateshead | Urban Defence | Nothing visible |
| Hamsterley Castles | The Castles | Uncertain | Earthworks |
| Hartlepool Chain Towers | Chain Tower | Uncertain | |
| Hartlepool Town Wall | Sandwell Gate | Urban Defence | Major | Hebburn Hall | Ellison Hall | Pele Tower | Masonry ruins/remnants |
| High Coniscliffe; The Old Hall | Old Hall Farm | Bastle | Major |
| Holmside Hall | Holmside Old Hall | Fortified Manor House | Major | Horden Hall | Tower House | Masonry footings | Houghton le Spring Rectory | Pele Tower | Masonry ruins/remnants |
| Hunstanworth Tower | Pele Tower | Masonry ruins/remnants | |
| Hylton Castle | Hilton | Masonry Castle | Masonry ruins/remnants |
| Island House East Blackdene Bastle | Bastle | Masonry ruins/remnants | |
| Jarrow | Uncertain | Nothing visible | |
| Killhopeburn Shieling | Bastle | Masonry ruins/remnants | Kirk Merrington Church of St John | Merrington Church Tower | Fortified Ecclesiastical site | Nothing visible |
| Lambton Hall, Bournmoor | Fortified Manor House | Nothing visible | |
| Langley Old Hall | Fortified Manor House | Masonry ruins/remnants | Le Peile, Cornforth | Pele Tower | Nothing visible | Low Butterby Manor House, Croxdale | Beautrove | Fortified Manor House | Masonry footings | Low Coniscliffe Tower | Tower House | Earthworks |
| Low Dinsdale Manor House | Fortified Manor House | Cropmarks/slight earthworks | |
| Ludworth Tower | Shadforth | Pele Tower | Masonry ruins/remnants |
| Lumley Castle | Lomley | Masonry Castle | Masonry ruins/remnants | Maiden Castle Fort, Durham | Uncertain | Cropmarks/slight earthworks | Maiden Castle Motte, Old Durham | Timber Castle | Cropmarks/slight earthworks |
| Muggleswick Grange | Mugleswick; Priory Farm; Hunting Lodge | Fortified Manor House | Masonry ruins/remnants | Newbiggin Pele, Heighington | Newbigging; Heighton | Tower House | Nothing visible |
| Old Hollinside | Hollinside Hall, Old Hollingside | Fortified Manor House | Masonry ruins/remnants |
| Piercebridge | Carlbury | Timber Castle | Earthworks |
| Pockerley Pele, Beamish | Pokeley | Pele Tower | Major |
| Quarrington Castle Hill | Pele Tower | Nothing visible | |
| Raby Castle | Fortified Manor House | Major | |
| Raby Old Lodge | Langley Dale | Pele Tower | Major |
| Ravensworth Castle, County Durham | Rawyneshelme; Ravenshelme; Ravensholme; Raveneswath | Masonry Castle | Masonry ruins/remnants | Reading Room Bastle, Newhouse | Bastle | Masonry ruins/remnants |
| Redmarshall Rectors Tower | Redmarshall Castle | Pele Tower | Nothing visible | Ryton, County Durham | Timber Castle | Earthworks | Sadberge Castle | St Andrew's Church | Fortified Manor House Timber Castle |
Nothing visible | Seaton Holme, Easington | Palace | Major | Snotterton Hall, Staindrop | Fortified Manor House | Masonry footings | Sockburn Castle | Fortified Manor House | Cropmarks/slight earthworks |
| Stanhope Castle | Castle Heugh; Castle Hill | Timber Castle Masonry Castle |
Nothing visible | Stockton Castle | Masonry Castle Palace Fortified Manor House |
Nothing visible | Stone House Tower, Stanhope | Bastle Pele Tower |
Major |
| Streatlam Castle | Stainton; Stretlam; Newcastle | Masonry Castle | Masonry ruins/remnants | Summerhouse Moat | Fortified Manor House | Earthworks |
| Swinhopeburn Bastle, Westgate | Bastle | Major | |
| Thornlaw Peel, Thornley | Thornton, castellum de Thornauum | Timber Castle | Nothing visible |
| Tower Hill, Middleton St George | Timber Castle | Earthworks | |
| Tursdale Castle Hill | Fortified Manor House Pele Tower |
Uncertain | Tynemouth Southern Tower | Artillery Fort | Nothing visible |
| Walworth Castle | Walworth Hall; High Walworth | Fortified Manor House | Masonry ruins/remnants | Wardley Hall | Wardley Manor House | Fortified Manor House | Uncertain |
| Weardale House Mound, St John's Chapel | Snap; Ireshopeburn | Timber Castle | Cropmarks/slight earthworks |
| West Blackdene Bastle, Ireshopeburn | Bastle | Masonry ruins/remnants | |
| Westgate Castle, Stanhope | Gate Castle; Gaitte | Pele Tower | Nothing visible |
| Witton Castle, Witton-le-Wear | Witton le Wear; Whitton | Masonry Castle | Masonry ruins/remnants |
| Witton Tower, Witton-le-Wear | Witton Le Wear 2; Witton Hall | Pele Tower | Masonry ruins/remnants |
| Wolsingham Manor of the Bishop of Durham | Chapel Walls | Palace | Masonry ruins/remnants |