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Cof Cymru: National Historic Assets of Wales · Wales

Secondary House at Garth Isaf

Arthog, Gwynedd, Wales

The record

Designation
Listed building, Grade II
Broad class
Domestic
Date of designation
1 February 1995
Locality
Garth Isaf
Community
Arthog
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.72470, -3.99509
Cadw reference
15600

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 1795 "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).

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This record in Cadw's own full report ↗

Cadw's description

Located to the rear (SW) of the main house at Garth Isaf and built against the slope of the ground to the NE; facing the Mawddach estuary.

A late C17 2-storey house, perhaps a former dower house, altered C19. Rubble construction with old slate roof; end chimney to NW gable with weather coursing and good moulded
capping. SW (main) face behind low coped rubble wall; off-centre entrance (to L) with boarded door. To L a modern 6-pane window and to R a small 4-pane casement. Further door to far R as
before with small 2-pane window to L. Under the eaves, 4 small, equally-spaced 4-pane casement windows with projecting slate cills. Stone steps up to entrance at L to rear with boarded door; small dwarf-rubble-walled enclosure in front and to the R at ground level a boarded, shuttered window. Blocked window opening to R with projecting slate lintel.

Adjoining to the L gable end a small, single-storey addition with rubble gable parapet and old slate roof; weather coursing at junction with main block. Boarded door to rear and modern window
to NW.

Part-cobbled floor; large, blocked fireplace to L gable end; some run-off chamfered ceiling beams.

Group value with the associated listed items at Garth Isaf

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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