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Cof Cymru: National Historic Assets of Wales · Wales

Corn-barn at Trefarthen (N side of yard)

Llanidan, Isle of Anglesey, Wales

The record

Designation
Listed building, Grade II
Broad class
Agriculture and Subsistence
Date of designation
20 May 1998
Locality
Trefarthen
Community
Llanidan
Unitary authority
Isle of Anglesey
Country
Wales
Coordinates
53.17076, -4.27118
Cadw reference
19874

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1883 "Watershed map England, Wales 3." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

Located on the N side of the farmyard of Trefarthen.

probably early C19 corn-barn (built before 1829, which is painted on the tie-beam inside the granary.).

A five bay corn barn with wide opposed doors to centre and granary loft to one end, with external stone steps to rear. Coursed rubble walls with two tiers of slit vents in the lateral walls, 5 to the left (W) of the door and 2 to the right (E). Three levels of slits vents to gable walls. Pitched slate roof with slate slab copings. Central tall doors with stone voussoir basket arch, blocked openings to right (E). Granary loft to E has two windows in lateral wall (modern), and two in the gable wall with ventilators.

King-post roof truss to granary with '1829' painted on tie-beam.

Listed as a good and unaltered example of an early C19 corn barn, which forms part of an exceptionally complete farmstead group at Trefarthen.

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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