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Cof Cymru: National Historic Assets of Wales · Wales

17 Sgwar y Farchnad (High Street)

Porthmadog, Gwynedd, Wales

A Grade II listed building in Tremadog, Porthmadog, Gwynedd, designated on 30 March 1951.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of 17 Sgwar y Farchnad (High Street), Porthmadog, Gwynedd, 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
No class recorded
Date of designation
30 March 1951
Locality
Tremadog
Community
Porthmadog
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.93995, -4.14086
Cadw reference
85319

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)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 119 Snowdon (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

One of a pair of houses fronting the street to the E of Market Square.

Tremadog was the creation of William Madocks (1773-1828), the first phase of which was built in the first decade of the C19 century. Nos 15-17 High Street were built in the mid C19 and are shown on the 1871 Tremadog estate plan and 1888 Ordnance Survey.

Belongs to a group of 15-17 High Street, Tremadog.

A pair of 2-storey double-fronted houses, of large blocks of local quarried stone laid in regular courses, renewed slate roof with added skylights, and stone stacks to the centre and L. No 15 has a central half-glazed door and top-hung windows replaced in original openings. No 17 has a replacement half-glazed door and 2-pane sash windows in original openings. Both have a blind central window in the upper storey.

Not inspected.

Listed as one of a pair of houses, notable for its distinctive use of local stone, retaining definite C19 regional character and for its contribution to the historical integrity of Tremadog.

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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