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Cof Cymru: National Historic Assets of Wales · Wales

Trefach Mill

Nevern, Pembrokeshire, Wales

A Grade II listed building in Trefach, Nevern, Pembrokeshire, designated on 27 October 1992.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Trefach Mill, Nevern, Pembrokeshire, 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
27 October 1992
Locality
Trefach
Community
Nevern
Unitary authority
Pembrokeshire
Country
Wales
Coordinates
52.03532, -4.79158
Cadw reference
12807

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)
  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
  • 1891 · Sheet 10. Ordnance Survey of England and Wales. . (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 193 Cardigan (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 13. (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

Situated SSE of farmhouse on W bank of step gully.

Early C19 mill.

Rubble stone with slate roof, square plan with roof hipped at NE angle. Single storey to front, dropping steeply to rear where there is basement ground floor and loft. W front has elliptical arched cart entry to right with cut stone voussoirs. Roof hip to left and N side has door and window above. E front, to stream, has gable to right with loft window in centre, then, set to left, large elliptical arched doorway with timber sill and vertical groove running down to arched basement doorway to wheelpit. Hub of iron overshot wheel. To left of gable is long pent roof to mid-height of adjoining elliptical-arched doorway. Buttressed wall and one opening to left of buttress.

South end has one basement opening and one window.

Deeply sunk E side, loft floor in NE gable, 5-bay collar-truss roof to W range and three-bay roof to gable. Remnant of machinery. Derelict condition but renovation for domestic use proposed 1992.

A rare surviving example of an early C19 mill building with some machinery in Dyfed.

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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