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Cof Cymru: National Historic Assets of Wales · Wales

Pig Sty at Lleiniau-hirion

Llanaelhaearn, Gwynedd, Wales

A Grade II listed building in Trefor, Caernarfon, Llanaelhaearn, Gwynedd, designated on 20 July 1999.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pig Sty at Lleiniau-hirion, Llanaelhaearn, Gwynedd, 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
Agriculture and Subsistence
Date of designation
20 July 1999
Locality
Trefor
Town
Caernarfon
Community
Llanaelhaearn
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.98911, -4.42675
Cadw reference
22011

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)
  • 1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 118 Nevin (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

Lleiniau-hirion lies up a small valleyto the S of the village. The pig sty lies close to the rear left corner of the house.

Probably built in the C18 to a traditional rural form.

Built of boulder walls and having a corbelled stone roof. It is separated from the rear wall of the house by a narrow passage and is approximately 1.7m square in plan, with a narrow low entrance into the run, approximately 2m x 3m, with its entrance alongside the gable of the farmhouse. The height internally is approximately 1.2m.

Included as a rare survival of the traditional type of corbelled pig sty used in upland Welsh farms until the C19, and of group value with the farmhouse.

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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