The Blockhouse
THE BLOCKHOUSE
Listed on the National Heritage List for England. Search over 400,000 listed places
Overview
- Heritage Category:
- Listed Building
- Grade:
- II
- List Entry Number:
- 1219196
- Date first listed:
- 14-Dec-1992
- List Entry Name:
- The Blockhouse
- Statutory Address:
- THE BLOCKHOUSE
Location
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Images of England Project
- Date:
- 2001-09-23
- Reference:
- IOE01/05602/20
- Rights:
- © Mr Bernard Stradling. Source: Historic England Archive
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Discover moreOfficial list entry
- Heritage Category:
- Listed Building
- Grade:
- II
- List Entry Number:
- 1219196
- Date first listed:
- 14-Dec-1992
- List Entry Name:
- The Blockhouse
- Statutory Address 1:
- THE BLOCKHOUSE
The scope of legal protection for listed buildings
This List entry helps identify the building designated at this address for its special architectural or historic interest.
Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.
For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.
The scope of legal protection for listed buildings
This List entry helps identify the building designated at this address for its special architectural or historic interest.
Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.
For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.
Location
- Statutory Address:
- THE BLOCKHOUSE
The building or site itself may lie within the boundary of more than one authority.
- District:
- Isles of Scilly (Unitary Authority)
- Parish:
- Tresco
- National Grid Reference:
- SV 89730 15462
Details
TRESCO
SV81NE The Blockhouse 1358-0/1/119
II
Blockhouse. Probably 1548-52. Roughly coursed granite rubble. Rectangular plan. Top of the platform is enclosed by walls, originally surmounted by a parapet with embrasures. Stairs to east. Winder stairs to original lean-to in south-east corner, with plain granite open fireplace; remains of later room constructed in south-east corner of platform. Covers Old Grimsby Harbour, and is probably one of the blockhouses built on Tresco under Sir Francis Fleming, and later John Kiligrew, captain of Pendennis Castle, between 1548 and 1552. Scheduled as an Ancient Monument. (P Laws: The Buildings of Scilly: Redruth: 1980-: 6; B.H. St.J.O'Neil: Isles of Scilly: London (HMSO): 1950-: 20).
Listing NGR: SV8973015462
Legacy
The contents of this record have been generated from a legacy data system.
- Legacy System number:
- 62554
- Legacy System:
- LBS
Sources
Books and journals
Laws, P, The Buildings of Scilly, (1980), 6
O'Neil, BH St J, Isles of Scilly, (1950), 20
Legal
This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.
Map
This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 06-Jun-2026 at 00:23:55.
Download a full scale map (PDF)End of official list entry
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