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Cof Cymru: National Historic Assets of Wales · Wales

Aberteg, Marine Terrace

Porthmadog, Gwynedd, Wales

A Grade II listed building in Porthmadog, Gwynedd, designated on 26 September 2005.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Aberteg, Marine Terrace, 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
26 September 2005
Locality
Porthmadog
Town
Porthmadog
Community
Porthmadog
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.92225, -4.13096
Cadw reference
85365

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 on the hillside to the W of and overlooking the harbour.

Marine Terrace is first shown in a view of Porthmadog by C.F. Williams, dated 1849, and is mentioned by Owen Morris in 1856. The terrace is shown on the 1871 Tremadog estate plan and 1888 Ordnance Survey. No 7 is a mid C19, possibly the latest in the row, but its front was subsequently remodelled, together with No 6, to create the present roughcast front.

A 3-storey 2-bay late-Georgian style house of roughcast walls with rusticated quoin strips, slate roof on projecting eaves roofed in a range with No 6, and roughcast end stacks. Openings are offset to the R side. On the R side it has a recessed fielded-panel door and overlight of coloured frosted glass. Windows are 12-pane horned sashes, under hood moulds in the lower 2 storeys, shorter and beneath the eaves in the upper storey. In the L gable end is a 2-pane sash window in the middle storey on the R side.

Not inspected.

Listed for its special architectural interest as a well-preserved town house retaining definite Georgian character; with No 6, part of a well-preserved C19 terrace overlooking the harbour and the Cob.

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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