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Cof Cymru: National Historic Assets of Wales · Wales

Garthowen, Marine Terrace

Porthmadog, Gwynedd, Wales

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
52.92233, -4.13097
Cadw reference
85364

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David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1795 "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).

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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 6 is a mid C19 house but was later remodelled, together with No 7, to create the present roughcast front, to which the porch was added later still.

A 3-storey 3-bay late-Georgian style house of roughcast front with rusticated quoin strips, over slate-stone, slate roof on projecting eaves in a range with No 7, and roughcast stack to the L and stone stack to the R. A central added porch has a flat roof concealed behind a moulded cornice. It has a half-glazed fielded-panel door with small-pane glazing incorporating a small diamond light and beneath an Art Nouveau coloured-glass overlight. On its L side is a small-pane window incorporating a circular light, and small lights are in the side walls. Windows to the main house are under hood moulds in the lower 2 storeys, are 12-pane hornless sashes in the lower storey, 16-pane hornless sashes in the middle and upper storeys.

Not inspected.

Listed for its special architectural interest as a well-preserved substantial town house retaining good detail and definite Georgian character; with No 7, 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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