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Cof Cymru: National Historic Assets of Wales · Wales

Plas Isa Farmhouse

Llansanffraid Glan Conwy, Conwy, Wales

A Grade II listed building in Plas Isa, Llansanffraid Glan Conwy, Conwy, designated on 30 January 1968.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Plas Isa Farmhouse, Llansanffraid Glan Conwy, Conwy, 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
Domestic
Date of designation
30 January 1968
Locality
Plas Isa
Community
Llansanffraid Glan Conwy
Unitary authority
Conwy
Country
Wales
Coordinates
53.26456, -3.77779
Cadw reference
217

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)
  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)
  • 1930 · OS Popular Edition 1919-1947 (National Library of Scotland)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Located approximately 1.5km E of Llansanffraid Glan Conwy village, to the S of an unclassified lane leading E from Llansanffraid; at the end of a farm track and set back behind low rubble forecourt walls.

2-storey end-chimney farmhouse, probably of late C17 date, with Georgian-style re-fenestration; Of pebbledashed rubble with slate roof and plain, rendered stacks. Asymmetrical front with near-centre entrance behind a modern gabled stone porch. Flanking 12-pane near-flush sash windows with a further, similar window beyond to R. 3 further sash windows as before to first floor, the outer ones breaking the eaves and contained within wide, gabled dormers with plain bargeboards. 2 later, lower gabled extensions to rear, that to the W with glazed veranda addition and porch with corrugated plastic roof. WC extension to E gable end with a 9-pane sash window above; slate cills throughout.

The interior was not inspected at the time of survey (October 1995).

Included for group value with other listed items at Plas Isa.

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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