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Cof Cymru: National Historic Assets of Wales · Wales

Engine House at the former Nant Lead-mine

Llanarmon-yn-Ial, Denbighshire, Wales

A Grade II listed building in Nant, Ruthin, Llanarmon-yn-Ial, Denbighshire, designated on 11 May 1979.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Engine House at the former Nant Lead-mine, Llanarmon-yn-Ial, Denbighshire, 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
11 May 1979
Locality
Nant
Town
Ruthin
Community
Llanarmon-yn-Ial
Unitary authority
Denbighshire
Country
Wales
Coordinates
53.11078, -3.19995
Cadw reference
1301

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)
  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 108 Flint (Hills) (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

Situated on the steep E bank of the Nant valley, some 50m below the former mine chimney, which is below W side of road, near Tanygraig.

Engine house for former Cornish beam-engine that pumped the Nant lead-mine, said to be dated 1841. The Nant or Westminster lead-mine was one of the more prominent mining enterprises in the area.

Beam-engine house, large scale, rectangular, roughly 20 by 28 feet (6m by 8.5m) at its present summit. Battered limestone walls, about 40 feet (12m) high with squared quoins, roof missing. Narrower S elevation said to have blocked round-headed opening with voussoirs of dressed sandstone and dated keystone, now overgrown. Blocked entrance shaft to S of this elevation. E side has tall blocked opening with timber lintel to centre and tall narrow ground floor opening to left with timber lintel. Remains of centre opening at top. N side has blocked window with timber lintel at first floor and blocked broad brick arch at ground floor. W side has blocked ground floor opening to right, blocked first floor opening and remains of second floor opening.

Once plastered. Blocked arch with cut-stone voussoirs to S. Tall blocked brick arch N, with first floor blocked square-headed opening at first floor and blocked 2nd floor brick-arched opening. Blocked opening ground level W. Beam holes for 2 main beams.

A particularly large and imposing industrial remnant of the local lead-mining industry. Of group value with the chimney on the slope above.

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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