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Cof Cymru: National Historic Assets of Wales · Wales

Washhouse and outbuilding at Plas Iolyn

Pentrefoelas, Conwy, Wales

A Grade II listed building in Tre Brys, Pentrefoelas, Conwy, designated on 19 October 1998.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Washhouse and outbuilding at Plas Iolyn, Pentrefoelas, 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
19 October 1998
Locality
Tre Brys
Town
Pentrefoelas
Community
Pentrefoelas
Unitary authority
Conwy
Country
Wales
Coordinates
53.03852, -3.66944
Cadw reference
20605

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)
  • 1898 · 120 Corwen (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

The small building lies between the Great Barn and the house, and is set parallel to the barn.

Built probably in the C18 or C19 as a service adjunct to Plas Iolyn, once the major sub-medieval house of this district.

Built of rubble stonework with a slate roof. Single storey, two bays, comprising a washhouse at the SE end with a large stone boiler and stack, and a store to the NW. Two boarded doors, and small window openings.

Included as one of a fine group of listed buildings at Plas Iolyn.

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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