The Round Tower
THE ROUND TOWER, BROAD STREET
Listed on the National Heritage List for England. Search over 400,000 listed places
Overview
- Heritage Category:
- Listed Building
- Grade:
- I
- List Entry Number:
- 1386901
- Date first listed:
- 30-Oct-1969
- List Entry Name:
- The Round Tower
- Statutory Address:
- THE ROUND TOWER, BROAD STREET
Location
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Images of England Project
- Date:
- 2004-03-30
- Reference:
- IOE01/11118/09
- Rights:
- © Mr Glyn Edmunds . Source: Historic England Archive
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Discover moreOfficial list entry
- Heritage Category:
- Listed Building
- Grade:
- I
- List Entry Number:
- 1386901
- Date first listed:
- 30-Oct-1969
- Date of most recent amendment:
- 18-Mar-1999
- List Entry Name:
- The Round Tower
- Statutory Address 1:
- THE ROUND TOWER, BROAD STREET
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 ROUND TOWER, BROAD STREET
The building or site itself may lie within the boundary of more than one authority.
- District:
- City of Portsmouth (Unitary Authority)
- Parish:
- Non Civil Parish
- National Grid Reference:
- SZ 62911 99373
Details
PORTSMOUTH
SZ6299 BROAD STREET, The Point 774-1/11/457 (West side) 30/10/69 The Round Tower (Formerly Listed as: BROAD STREET, The Point Square Tower Kings Stairs Sallyport 18 Gun Battery Round Tower Flanking Battery)
GV I
The Round Tower fortification, now museum. c1415. Ground floor reconstructed c1538-40. 2 upper storeys added probably late C17 by Sir Bernard de Gomme and remodified early C19, possibly for adaptation as a Martello Tower. Top raised and reconstructed and adapted as a gun platform c1850. Restored late C20. Ashlar stone. Roof asphalt paved. 3 storeys separated by stone string bands, lower storey projects. Cylindrical. Entrance facing Board Street has a 2-leaf panel door each leaf with a 6-pane glazed upper panel, set under a cambered stone arch. Facing the harbour on north and west sides are 3 gun ports each set under a flat segmental arch. 3 other gun ports were blocked up probably late C17 by Sir Bernard de Gomme. INTERIOR: rebuilt early C19 was reconstructed and has a large central stone column with brick vaulting, casements formed behind the surviving gun ports. (Balfour A: Portsmouth: London: 1970-: 15; Corney A: Fortifications in Old Portsmouth: Portsmouth City Museums: 1965-: 30, 31 AND 32; Lloyd DW: Buildings of Portsmouth and its Environs: Portsmouth: 1974-: 35,54-56,78,79,102; The Buildings of England: Pevsner N & Lloyd D: Hampshire and the Isle of Wight: Harmondsworth: 1967-: 422).
Listing NGR: SZ6292699463
Legacy
The contents of this record have been generated from a legacy data system.
- Legacy System number:
- 474314
- Legacy System:
- LBS
Sources
Books and journals
Lloyd, D W, Buildings of Portsmouth and its Environs, (1974), 35,54-56
Lloyd, D W, Buildings of Portsmouth and its Environs, (1974), 78,79,102
Balfour, A, Portsmouth, (1970), 15
Corney, A, Fortifications in Old Portsmouth, (1965), 30-32
Pevsner, N, The Buildings of England: Hampshire and the Isle of Wight, (1967), 422
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 10-Jun-2026 at 16:48:39.
Download a full scale map (PDF)End of official list entry
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