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Latitude: 51.3475 / 51°20'51"N
Longitude: -2.1496 / 2°8'58"W
OS Eastings: 389679
OS Northings: 160947
OS Grid: ST896609
Mapcode National: GBR 1SH.HCC
Mapcode Global: VH96X.PDGB
Plus Code: 9C3V8VX2+25
Entry Name: Semington Aqueduct
Listing Date: 13 February 1985
Grade: II
Source: Historic England
Source ID: 1021749
English Heritage Legacy ID: 314366
ID on this website: 101021749
Location: Semington, Wiltshire, BA14
County: Wiltshire
Civil Parish: Melksham Without
Built-Up Area: Semington
Traditional County: Wiltshire
Lieutenancy Area (Ceremonial County): Wiltshire
Church of England Parish: Semington
Church of England Diocese: Salisbury
The asset was previously listed twice also under the parish of Semington at List entry 1252241. This entry was removed from the List on 6 May 2026.
This entry was subject to a Minor Amendment on 6 May 2026 to add details from the de-listed duplicate list entry; “engineering brick”, “with no inscription” and “on each side”. The dates for the construction of this part of the canal were corrected. Additional address of “High Street” was added. Spelling of Melksham corrected. The GIS triangle depiction was moved slightly from ST8967960946 to ST8967960944, thus placing it on the parish boundary between Semington and Melksham Without which passes through the building. The grid reference was removed from the Details text.
MELKSHAM WITHOUT
ST 86 SE
3/149
Semington Road (OFF)
Semington Aqueduct
II
Aqueduct carrying the Kennet and Avon Canal over Semington Brook. Late C18 to early C19. Ashlar patched with engineering brick. Single stilted segmental arch with channelled voussoirs, one rectangular cyma-moulded recessed panel with no inscription above arch on each side, ashlar parapet with weathered coping, swept revetment walls curving away from canal.
Western part of Avon and Kennet Canal built between 1794 and 1801.






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