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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) |
Type |
Remains |
Block House Point | Helvere and Allines house; Helvear Hill | Artillery Fort | masonry ruins/remnants | Castle Down bastion | Artillery Fort | earthwork | Cromwells Castle | Artillery Fort | no visible |
| Ennor Castle | Evor; Inor; Ynnor; Ivor; Old Town Castle; Sullia | Masonry Castle , Artillery Fort | masonry footings |
| Grimsby Old Blockhouse | Tresco Old Blockhouse; Dover Fort | Artillery Fort | masonry ruins/remnants |
| Harrys Walls | Mount Flagon | Artillery Fort | masonry ruins/remnants |
| King Charles Castle | Artillery Fort | masonry ruins/remnants | |
| Mount Holles | Sullia; Mout Hughes Battery | Timber Castle , Artillery Fort | no visible | St Marys; The Folly | Folley; Follye | Artillery Fort | masonry ruins/remnants |
| Star Castle and Garrison Walls | The Garrison, The Hugh; Stella Mariae | Artillery Fort | major building |
