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Cof Cymru: National Historic Assets of Wales · Wales

Ffridd-y-Fedw Platform House

Ysbyty Ifan, Conwy, Wales

A scheduled monument in Ysbyty Ifan, Conwy, recorded as Platform house (Medieval).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Ffridd-y-Fedw Platform House, Ysbyty Ifan, 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
Scheduled monument
Site type
Platform house
Period
Medieval
Date of designation
26 October 1999
Community
Ysbyty Ifan
Unitary authority
Conwy
Country
Wales
Coordinates (centre of the scheduled area)
52.98991, -3.75079
SAM number
CN305
Cadw record number
1613

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)

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Monument.

The monument consists of the remains of a single well-preserved rectangular building, measuring 6.2m by 3.5m internally, built on a platform cut into and built up from sloping ground. The walls have been constructed from large, flat slabs of stone, set on edge, some up to 1.8m long and standing up to 1m in height. On the outside of these lie a row of flat stones, possibly bases for earth or turf walls, which would have been built up against the upright slabs. There is a clear doorway at the N corner marked by two large upright stones set at 90 degrees to the walls. The building could date from as early as the medieval period.

The monument is of national importance for its potential to enhance our knowledge of medieval settlement, social organisation and agriculture. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits, including internal floor levels and possibly structural elements. The structure itself may be expected to contain archaeological information concerning chronology and building techniques.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

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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