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Cof Cymru: National Historic Assets of Wales · Wales

Lower Lock Chamber

Carreghofa, Powys, Wales

The record

Designation
Listed building, Grade II
Broad class
Transport
Date of designation
5 April 1993
Community
Carreghofa
Unitary authority
Powys
Country
Wales
Coordinates
52.77453, -3.10753
Cadw reference
14190

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 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

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This record in Cadw's own full report ↗

Cadw's description

To the west of Bridge 95 carrying the by-road over the Montgomeryshire Canal.

Built 1794-7, engineered by John and Thomas Dadford of Cardiff and Newport, modified before 1831 with new paddle gear etc, designed by George Buck, engineer, and cast by Coalbrookdale Iron Company.

Masonry quaysides to lock chamber, linked to towpath under bridge 95. Single east lock gate and double west gates with vertical ironwork sluice gear. On the north side, close to the overbridge is a set of Buck's patented paddle gear set into stonework surround. Pyramidal flanged ironwork frame with arched braces and rear brackets for winding handle etc. Toothed drive-wheel with V-shaped pivoting arm linked to sluices in lock floor.

To the west of the lock gates the masonry quaysides end in vertical brick-faced revetments.

Group value with other canal structures in exceptional location at Carreghofa Locks.

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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