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Cof Cymru: National Historic Assets of Wales · Wales

Lock House

Tonna, Neath Port Talbot, Wales

The record

Designation
Listed building, Grade II
Broad class
Domestic
Date of designation
25 February 2000
Locality
Neath Canal Depot
Community
Tonna
Unitary authority
Neath Port Talbot
Country
Wales
Coordinates
51.67433, -3.78065
Cadw reference
22867

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1636 "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

On the S side of the Neath Canal facing the lock. The house backs on to and stands at the foot of Lock Hill on the N side of Henfaes Road.

The Neath Canal was begun in 1791 and opened in 1794. Traffic ceased in 1921. The house was probably built in the last decade of the C18 and is first shown on the Llantwit-juxta-Neath Tithe map of 1846, where it is shown as a lock-keeper's house. In the third quarter of the C19 it was extended to create a double-depth plan, the arrangement shown on the 1870s Ordnance Survey.

A 2-storey, double-depth house with roughcast walls painted white and late C19 plate glass sash windows, slate roofs and roughcast end stacks. The twin-gabled main entrance is on the W side facing the bottom of the steep track from the village. It has a central boarded door with overlight and windows lower L and R. Facing the canal the house is 2-window. The opposite S wall has a single window in each storey. The rear faces a yard on the E side has a half-lit door to the L and added low gabled porch to the R with boarded door and a central replaced window to the centre. The upper storey has 2 sash windows.

Not inspected.

Listed for its industrial archaeological interest as an integral component of the most complete depot of any of the South Wales canals.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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