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Cof Cymru: National Historic Assets of Wales · Wales

Clydach Upper Forge

Clydach, Swansea, Wales

A scheduled monument in Clydach, Swansea, recorded as Iron forge (Post Medieval/Modern).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Clydach Upper Forge, Swansea, 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
Scheduled monument
Site type
Iron forge
Period
Post Medieval/Modern
Date of designation
21 February 1997
Community
Clydach
Unitary authority
Swansea
Country
Wales
Coordinates (centre of the scheduled area)
51.70083, -3.90153
SAM number
GM497
Cadw record number
1457

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 1608 map "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1608 · (13) Cambriae Typus. (David Rumsey Map Collection, Stanford Libraries)
  • 1891 · Sheet 10. Ordnance Survey of England and Wales. . (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 230 Ammanford (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • Sheet 7 South Wales (University Library, Vrije Universiteit Amsterdam)
  • [Kaart] (University Library, Vrije Universiteit Amsterdam)

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Ancient Monument.

The monument consists of the remains of an iron forge, a building or site where bloom iron or cast iron is forged into wrought iron. It probably originated in the late 18th century and remained in use until the 1860s. It was possibly built by Richard Parsons to work in conjunction with Ynysgedwyn Ironworks to convert pig iron produced there into wrought iron. The works were situated in the area below its dam on the River Clydach. Remains include the wheelpit, base of an anvil, pans of formerly molten iron, and tailrace culvert. The western half of the dressed stone dam stands intact to a height of roughly 10m, with the wheelpit adjoining it.

The monument is of national importance for its potential to enhance our knowledge of 18th or 19th century iron working and other industrial practices. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structure itself may be expected to contain archaeological information concerning chronology and building techniques. An iron forge may be part of a larger cluster of monuments and their importance can further enhanced by their group value.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

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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