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Cof Cymru: National Historic Assets of Wales · Wales

Chimney of former Ynysgedwen Iron Works

Ystradgynlais, Powys, Wales

The record

Designation
Listed building, Grade II
Broad class
Industrial
Date of designation
26 March 1992
Locality
Ynyscedwyn
Town
Ystradgynlais
Community
Ystradgynlais
Unitary authority
Powys
Country
Wales
Coordinates
51.76803, -3.76438
Cadw reference
25954

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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

Situated on grassed site bounded by Glan-Rhyd Road and Pont Aur, just N of Ystradgynlais Hospital.

Chimney to former Ynysgedwen Ironworks, dated 1872. This was not part of the ancient ironworks which dated back to the C17 but part of an attempt to revitalise the failing business with a new rolling mill (of which the arcaded walls are separately listed), never completed, the works closing in 1876. Post-industrial tidying has removed evidence of the earlier buildings and this chimney and the two arcaded walls of 1872 are preserved.

Chimney, tapering square chimney in yellow brick on square base with blank arched openings. Arches have convex moulding to surrounds, and right arch has stone date-plaque 1872. Moulded cornice in brick with stone corner stones. Main shaft has raised band at top below raised coping. Total height is some 70 feet.

Included as a remaining part of a very important Welsh industrial site.

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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