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Cof Cymru: National Historic Assets of Wales · Wales

Outbuilding at Berth-ddu

Trawsfynydd, Gwynedd, Wales

A Grade II listed building in Nant Bryn Llefrith, Trawsfynydd, Gwynedd, designated on 27 February 2004.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Outbuilding at Berth-ddu, Trawsfynydd, 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
27 February 2004
Locality
Nant Bryn Llefrith
Community
Trawsfynydd
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.88807, -3.91844
Cadw reference
82540

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 · 135 Harlech (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

Between the house and the detached cow-house and haybarn, close to the west side of the A470, and built against sloping ground.

Apparently a small field cowhouse, perhaps preceding the larger structure to its north. No direct dating evidence, but probably C18. At the time of the Tithe survey if 1849, there were two farmsteads at Berth-ddu - this building may be a survival from this period before a larger holding was created.

Small field cow-house. Built against the slope such that its gable end pitching door is accessible from the higher ground level. Mortared rubble stone with close-eaved slate roof. Doorway in south wall, pitching door in east gable end.

Forms part of a group of dispersed out-buildings at Berth-ddu which clearly illustrate the organisation of animal husbandry typical of upland agriculture. A small-scale but characteristic example of its building type.

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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