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Cof Cymru: National Historic Assets of Wales · Wales

Gelli-Dywyll Farmhouse (also known as Cwmgelli Farm)

Blackwood, Caerphilly, Wales

The record

Designation
Listed building, Grade II
Broad class
Domestic
Date of designation
30 April 1997
Locality
Cwmgelli
Town
Blackwood
Community
Blackwood
Unitary authority
Caerphilly
Country
Wales
Coordinates
51.67703, -3.19147
Cadw reference
18425

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

Set back from the road approximately 1km N of Blackwood centre, with the principal farm buildings and yard on its E side.

The main range is probably c1600, with kitchen wing added to the rear in the C18 and extended at the downhill end probably in the C19.

A 2½-storey farmhouse of grey roughcast walls, steep corrugated metal roof and roughcast stacks. The main range is on a sloping site with an added rear kitchen wing set back from the uphill end, and a lower added extension at the downhill end. The main range has rendered stack to the R and gable hall stack to the L. The house faces W and its entrance is in a gabled porch offset to the R side with a segmental-headed doorway. To its L is a small-pane sash window inserted in the C19. In the upper storey is a 2-light wooden casement to the R and a wider casement to the L inserted in the C20. The attic has a single roof dormer R of centre. The lower extension has a R end stack, inserted casement to the upper storey and 2 lower-storey windows. In the uphill (N) gable end the external stack has been modified to incorporate a trough, while the gable has small attic windows L and R. The rear wing has a single ridge stack. Its rear gable end has a boarded opening to the R in the lower storey and inserted attic 3-light window. The rear of the downhill extension has a single-storey projection, to the L of which is an inserted window. The lower (S) gable end has a boarded door to the R and lean-to to its L.

Inaccessible at the time of inspection.

Listed as a sub-medieval farmhouse retaining its overall character and a rare pre-industrial survival in this part of the Monmouthshire valleys. In addition, it forms an impressive farm group with the adjacent multi-purpose agricultural range.

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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