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Cof Cymru: National Historic Assets of Wales · Wales

East Weir on River Clywedog

Esclusham, Wrexham, Wales

A Grade II listed building in Bersham, Esclusham, Wrexham, designated on 8 December 1995.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of East Weir on River Clywedog, Esclusham, Wrexham, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Listed building, Grade II
Broad class
Industrial
Date of designation
8 December 1995
Locality
Bersham
Community
Esclusham
Unitary authority
Wrexham
Country
Wales
Coordinates
53.03533, -3.03271
Cadw reference
16552

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

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1795 map "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).

Historical maps covering this location

  • 1795 · To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most… (Llyfrgell Genedlaethol Cymru – The National Library of Wales)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 121 Wrexham (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 121 Wrexham (Outline) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

On the River Clywedog, at the centre of Bersham village to the E of the Ironworks site

A pre-existing ironworks at Bersham was leased by Isaac Wilkinson from c1753. From c1763, it was operated as the New Bersham Company by his sons John and William. In 1774, John patented a machine for boring out cannon, and in 1775, for boring out steam-engine cylinders for Boulton and Watt: there followed a major expansion of the works which became a highly successful venture. The weir was constructed c1779 by John Wilkinson, as part of the water-power system serving the Eastern Ironworks, which were probably newly established as part of the rapid expansion of Wilkinson's works from the 1770's.

Stone inclined weir (with some concrete overlay); Revetment walls of stone blocks, bolted together with cast-iron, with a narrow channel clearly visible in the stonework of the N parapet.

Listed as an integral part of the power-system for the E ironworks at Bersham, and as one of the few surviving features associated with the East works.

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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