Latitude: 50.7948 / 50°47'41"N
Longitude: -1.0388 / 1°2'19"W
OS Eastings: 467842
OS Northings: 99912
OS Grid: SZ678999
Mapcode National: GBR BDC.25Z
Mapcode Global: FRA 86QZ.TBH
Plus Code: 9C2WQXV6+WF
Entry Name: Sea Lock and Basin
Listing Date: 18 March 1999
Grade: II
Source: Historic England
Source ID: 1333170
English Heritage Legacy ID: 474849
ID on this website: 101333170
Location: Eastney, Portsmouth, Hampshire, PO4
County: City of Portsmouth
Electoral Ward/Division: Milton
Parish: Non Civil Parish
Built-Up Area: Portsmouth
Traditional County: Hampshire
Lieutenancy Area (Ceremonial County): Hampshire
Church of England Parish: Milton St James
Church of England Diocese: Portsmouth
Tagged with: Lock
PORTSMOUTH
SZ69NE LOCKSWAY ROAD, Milton 774-1/6/56 Sea Lock and Basin
II
Sea lock and basin. 1823. Probably by Josias Jessop. Red brick in English bond. Roach bed Portland stone dressings. North and south walls have 2 narrow recessed panels at east and west ends, which housed gates and posts. Gates and posts missing except for part of the original oak posts at west end. The upper iron post holding straps are set in the stone coping. West end has curved wall on each side at entrance to basin. Stone rusticated quoins and deep coping stones at ground level. Areas of coping are missing. East projection into Langston Harbour is foreshortened with brickwork rakes down at ends, late C20. Later cranked iron bridge at west end of lock. Sides of basin recently partially restored. This is the only surviving section of the Portsea Canal which was part of the Portsmouth and Arundel canal. (Vine PAL: London's Lost route to the Sea: David & Charles N. Abbot: 1956-1973: 58-65).
Listing NGR: SU6610802158
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