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Cof Cymru: National Historic Assets of Wales · Wales

11 Sgwar y Farchnad (Market Square)

Porthmadog, Gwynedd, Wales

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
52.93935, -4.14107
Cadw reference
85304

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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 and in the SE corner of Market Square.

Tremadog was a town created by William Madocks (1773-1828) in the first decade of the C19 on reclaimed land known as Traeth Mawr, the estuary of Afon Glaslyn. It was originally intended to be a post town on a direct road between London and Dublin, via Porthdinllaen on the Lleyn peninsula, a project that in due course lost out to the Holyhead Road. Tremadog was laid out around a market square, with market hall, coaching inn, houses and shops, with a church and chapel just outside the centre. Building of this small planned development, as well as a separate woollen manufactory, began c1805 and was largely completed by the time Richard Colt Hoare described it in 1810. No 11 Market Square was part of this first phase of development.

A 2-storey double-fronted house slightly altered when converted to 2 premises. Of roughly coursed and squared quarried stone with stone lintels, renewed slate roof on boarded projecting eaves, with stone end stacks. The central entrance has a replacement door with large glazed panel. On the L side are 2-pane horned sash windows, shorter in the upper storey. On the R side is a shop front inserted in place of an original window, with recessed glazed door and small-pane window, and 4-pane sash window in the upper storey.

Not inspected.

Listed, notwithstanding slight alteration, for its special architectural interest as an early C19 house, part of the original development of Tremadog, using local stone, and retaining definite character. An integral component 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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