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List Entry Summary

This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.


List entry Number: 1141198



The building may lie within the boundary of more than one authority.


District: Isles of Scilly

District Type: Unitary Authority

Parish: Tresco

National Park: Not applicable to this List entry.

Grade: II*

Date first listed: 14-Dec-1992

Date of most recent amendment: Not applicable to this List entry.

Legacy System Information

The contents of this record have been generated from a legacy data system.

Legacy System: LBS

UID: 62549

Asset Groupings

This list entry does not comprise part of an Asset Grouping. Asset Groupings are not part of the official record but are added later for information.

List entry Description

Summary of Building

Legacy Record - This information may be included in the List Entry Details.

Reasons for Designation

Legacy Record - This information may be included in the List Entry Details.


Legacy Record - This information may be included in the List Entry Details.



SVB1NE Cromwell's Castle 1358-0/1/114


Gun tower. 1651-2 with gun platform added c1740 by Abraham Tovey, Master Gunner. Randomly coursed granite rubble; granite platform roofs; stone stacks. Circular-plan tower with rectangular C18 gun platform addition on seaward side with external staircase. Tower has original entrance high up on south side, which had platform on stone corbels (still remaining) outside it; rectangular gunports, that to east in raised ovolo-moulded surround. Granite steps to chamfered arched doorway and winder stairs to C18 platform, which has 6 gun embrasures with segmental arches and inserted entrance to tower flanked by lean-tos consisting of a guardroom with fireplace and a latrine. Interior: tower built with unlighted basement below two accommodation floors, now with holes for missing floor joists and vaulted roof with ribs to upper room, which has chamfered surround to fireplace with chamfered segmental-arched relieving arch and simply moulded bases and capitals to piers dividing window embrasures. Spiral staircase and rebated doorways to platform. Shouldered chamfered segmental-arched entrance to winder stair rising through chamfered arched doorway to tower platform. Built following a threat to the islands by the Dutch, replacing the poorly sited King Charles Castle (q.v.). Scheduled as an Ancient Monument. (P Laws: The Buildings of Scilly: Redruth: 1980-: 8; B.H. St.J.O'Neil: Isles of Scilly: London (HMSO): 1950-: 18-19; Buildings of England: Pevsner, N and Ratcliffe, E: Cornwall: London: 1951-1970: 211; Saunders A: Fortress Britain: Liphook: 1989-: 28-30).

Listing NGR: SV8818115968

Selected Sources

Books and journals
Laws, P, The Buildings of Scilly, (1980), 8
O'Neil, BH St J , Isles of Scilly, (1950), 18-19
Pevsner, N, The Buildings of England: Cornwall, (1951), 211
Pevsner, N, The Buildings of England: Gloucestershire: The Cotswolds, (1970), 211
Saunders, A D, Fortress Britain, (1989), 28-30

National Grid Reference: SV 88181 15968


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End of official listing