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Cof Cymru: National Historic Assets of Wales · Wales

25 Heol Dulyn (Dublin Street)

Porthmadog, Gwynedd, Wales

A Grade II listed building in Tremadog, Porthmadog, Gwynedd, designated on 1 April 1974.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of 25 Heol Dulyn (Dublin 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
1 April 1974
Locality
Tremadog
Community
Porthmadog
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.93929, -4.14267
Cadw reference
85331

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

A terraced house fronting the street to the W of Market Square.

9-25 Dublin Street were built in the first decade of the C19 and are probably the houses referred to by Madocks as 'Pentre Gwaelod' or 'Bottom Village', before the new town of Tremadog was laid out. They are shown on the 1842 Tithe map.

Belongs to a group of 9-25 Dublin Street, Tremadog.

A terrace of 1½-storey cottages of roughly coursed and squared quarried stone, with boulder footings to Nos 9 and 11, slate roof and 5 stone stacks. All have raked half dormers. No 9 is a 2-window house with half-glazed door to the L. Windows are replacements in original openings. Nos 11-25 are single-fronted in reflected pairs, mostly with C20 replacement doors and windows, some of which are enlarged while others are in original openings. No 11 has a small-pane horizontal-sliding sash window to its dormer. Between Nos 13 and 15 is a blocked lower doorway. No 25 has a 2-window addition on its R side with skylight, and then a single-storey addition (Yr Efail) with modern detail.

The rear of the terrace has extensive alteration and addition, with modern detail. No 9 has a 2-storey wing, Nos 11 and 13 outshuts, Nos 15 and 17 2-storey wings, Nos 19 and 21 have 2-storey flat-roofed extensions, No 23 has an outshut and No 25 has a 2-storey wing.

Not inspected.

Listed, notwithstanding superficial alterations, as part of a row of early C19 cottages - amongst the earliest in the area - and retaining a vernacular character which distinguishes them from the other houses of the planned town. The cottages retain their original form and C19 character, use local stone, and contribute to the historical integrity of the planned town.

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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