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Cof Cymru: National Historic Assets of Wales · Wales

Barn at Byrllysg

Dyffryn Ardudwy, Gwynedd, Wales

A Grade II listed building in Dyffryn Ardudwy, Gwynedd, designated on 13 April 2005.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Barn at Byrllysg, Dyffryn Ardudwy, 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
13 April 2005
Community
Dyffryn Ardudwy
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.79548, -4.08488
Cadw reference
84338

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)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Set back, along a private track, from the SE side of Ffordd y Briws c.1km ENE from Coed Ystumgwern. The barn lies along the S side of the track to SE of the house.

C18 barn, probably dating to the date of the radical alterations to the adjacent farmhouse.

Small barn built of roughly coursed blockwork masonry. The roof is now of profiled metal sheeting but retains raised stone copings. The barn is of 3 bays with a central narrow doorway flanked by narrow ventilation slits.

Listed as a small barn with good traditional character including high quality stone work, and for group value with the house at Byrllysg.

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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