Latitude: 50.7905 / 50°47'25"N
Longitude: -1.1088 / 1°6'31"W
OS Eastings: 462911
OS Northings: 99373
OS Grid: SZ629993
Mapcode National: GBR VN6.JX
Mapcode Global: FRA 87K0.3V1
Plus Code: 9C2WQVRR+6F
Entry Name: The Round Tower
Listing Date: 30 October 1969
Last Amended: 18 March 1999
Grade: I
Source: Historic England
Source ID: 1386901
English Heritage Legacy ID: 474314
ID on this website: 101386901
Location: Old Portsmouth, Portsmouth, Hampshire, PO1
County: City of Portsmouth
Electoral Ward/Division: St Thomas
Parish: Non Civil Parish
Built-Up Area: Portsmouth
Traditional County: Hampshire
Lieutenancy Area (Ceremonial County): Hampshire
Church of England Parish: St Thomas of Canterbury, Portsmouth
Church of England Diocese: Portsmouth
Tagged with: Fortified tower
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
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