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Cof Cymru: National Historic Assets of Wales · Wales

Llangwm Isaf

Llantrisant Fawr, Monmouthshire, Wales

The record

Designation
Listed building, Grade II
Broad class
Domestic
Date of designation
12 October 2000
Locality
Llansoy
Town
Usk
Community
Llantrisant Fawr
Unitary authority
Monmouthshire
Country
Wales
Coordinates
51.70893, -2.82885
Cadw reference
24122

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 1636 "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

Situated some 1.5 km SW of Llansoy, but only 800m N of Llangwm Isaf church. Access from Llansoy, by field track from The Oaklands on Llansoy-Gwernesney lane.

Early C17 house with later C17 rear wing. Main chimney wall was taken down and rebuilt in mid C20, with loss of fireplace and winding stair. Fox & Raglan illustrate plan before the loss of the chimney wall. They note the front range as a probable solar wing to a medieval hall, since replaced. They found a 2-room plan with post-and-panel partitions to each floor with Tudor door heads, 6-light diamond-mullion window, and 3-light early C17 ovolo-moulded mullion window, stepped hollow moulded stops to beam chamfers, and tenoned collars to trusses. They also noted especially the massiveness of the woodwork. There was a timber partiton between the front range and the later rear wing, its breadth possibly showing the width of a lost medieval hall.
Part of the Beaufort estate until 1900.

Farmhouse, rendered with concrete tiles and brick end stacks. Two storeys, L-plan, the older range to the N with end entry, this end however rebuilt in later C20. N facade has irregular fenestration, casement pair left of centre, triple casement to right, under eaves, the right window retaining a recessed chamfered oak frame of a former mullion window. Ground floor has casement pair left, triple casement centre and small 3-light timber mullion window with ovolo mouldings to right. Stone dripstones over all three.
C20 rebuilt left gable end has 3 windows to first floor, door and 2 windows below, mostly horned 4-pane sashes. Gabled hood over door.
Rear wing has 2 small gabled dormers one each side of a large rendered wall-face stack. Two-window range to left of stack, triple casement and casement pair over 2 doors, that to left broader, that to right with timber gabled hood removed c1999.

Not available for inspection, for detail noted by Fox & Raglan see above.

Included as a C17 house retaining external form and some original detail externally (notwithstanding partial reconstruction). Also said to have significant C17 interior detail.

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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