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Cof Cymru: National Historic Assets of Wales · Wales

Chimney Stack NW of Cwm dylluan

Llanidloes Without, Powys, Wales

A Grade II listed building in Cwm dylluan, Llanidloes Without, Powys, designated on 17 November 2004.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Chimney Stack NW of Cwm dylluan, Llanidloes Without, Powys, 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
No class recorded
Date of designation
17 November 2004
Locality
Cwm dylluan
Community
Llanidloes Without
Unitary authority
Powys
Country
Wales
Coordinates
52.48411, -3.54820
Cadw reference
83241

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)
  • 1637 · Particular description of Wales. Cambria seu Wallia (David Rumsey Map Collection, Stanford Libraries)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 164 Llanidloes (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 14. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

In an isolated position approx. 1km N of Van, and visible from a footpath leading N from the lane running from Van to Staylittle.

The East Van mine at Cwm dylluan had a short working life as the output was much less than had been expected. An engine house was erected in 1872 but was little worked after 1880. This boiler stack was connected to the engine house, which is shown on the Ordnance Survey of 1903, but is no longer standing; in front is a large spoil tip.

Tall tapering octagonal stack of yellow firebrick with moulded octagonal iron cap to top, beneath which is a brick band. The shaft rests on an octagonal brick base with moulded capstone.

Listed as a prominent and well-preserved boiler stack, a survival from an important regional industry, of which little else remains above ground level, and interesting in that it can be quite securely dated.

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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