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Cof Cymru: National Historic Assets of Wales · Wales

Heniarth Mill

Llangyniew, Powys, Wales

A Grade II listed building in Heniarth, Llangyniew, Powys, designated on 19 September 2002.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Heniarth Mill, Llangyniew, 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
Industrial
Date of designation
19 September 2002
Locality
Heniarth
Community
Llangyniew
Unitary authority
Powys
Country
Wales
Coordinates
52.66322, -3.29800
Cadw reference
26970

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)
  • 1899 · 151 Welshpool (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)
  • 1916 · Sheet 60. Shrewsbury. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

At north side of the Afon Banwy, reached by a short lane south from the A458 about 250 m east of Heniarth Bridge; close to a former halt on the Welshpool and Llanfair Light Railway. Leat runs to rear of building.

Heniarth Mill carries a datestone stating that it was erected in 1827. The house appears to be of slightly later date.

A three-storey mill ranging north/south at right angles to the millstream from the Afon Banwy, with an adjoining three-storey miller's house at the west side facing north, and a shed, now heightened to two storeys, forming an east wing to the mill. Slatey stone with limestone quoins. Slate roofs with tile ridges and a central chimney to the house. The stonework texture of the mill is dissimilar to that of the house and the mill and house may not be contemporary.

The north gable (front) elevation of the mill has modern doors at ground and first storeys centrally and a casement window at high level in the gable above a date stone. Door and window openings with stone arches.

The front elevation of the house is a two-window range with mullion windows to the top storey and mullion and transom windows to the ground and first storeys. Cambered brick window heads. Glazed (C19/20) porch on red brick plinth at front door.

The shed at left has recently been enlarged. Boarded door at front.

A fine early C19 mill with a nearly contemporary miller's house, restored without loss of character.

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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