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Cof Cymru: National Historic Assets of Wales · Wales

9 Pencei (Cornhill)

Porthmadog, Gwynedd, Wales

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

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of 9 Pencei (Cornhill), 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
Porthmadog
Town
Porthmadog
Community
Porthmadog
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.92356, -4.13075
Cadw reference
85355

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

In a block on the W side of Cornhill.

Cornhill is the group of buildings around the original Porthmadog harbour (Cornhill Wharf), which was built 1821-4. It became the commercial centre of the port and in 1833 Samuel Lewis noted that 'many good houses have been built, and a considerable trade is now carried on'. Buildings in Cornhill included houses, shops, bank, offices and workshops. In 1886 there were sail makers, 2 block and spar makers, 2 public houses, 4 grocers, butcher, ironmonger and a shipsmith. In addition, the Bwlch-y-Slate Quarry Co, Carnarvonshire & Merionethshire Steamship Co, Workmen's Benefit Building Society, Davies Brothers Slate Merchants, Parry & Co and Prichard Brothers ship brokers all had offices in Cornhill.

Nos 8-10 Cornhill were built as a single block in the 2nd quarter of the C19, and are shown on the 1842 Tithe map, 1871 Tremadog estate plan and the 1885 harbour survey. The block is shown subdivided in its present form on the 1888 Ordnance Survey. Nos 8 and 9 have openings above ground level indicating commercial or industrial use.

A 3½-storey 2-window house roofed in a single range with Nos 7-10, of distinctive large slate-stone blocks laid in regular courses, slate roof with added skylights, and shared stone stacks. Openings are offset to the R. The main entrance is on the R, which has a replacement half-glazed door and window to its L, both in raised cement surrounds painted white. Windows are replacements in original openings, except the R-hand middle-storey window which was originally a doorway.

Not inspected.

Listed notwithstandng aleration to detail for its special architectural interest as a part of a prominent harbour-side terrace notable for its distinctive use of local stone and of definite C19 regional character, and for its contribution to the historical integrity of Porthmadog harbour.

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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