13 Pencei (Cornhill) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 30 March 1951. House.
13 Pencei (Cornhill)
- WRENN ID
- graven-rubble-flax
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 30 March 1951
- Type
- House
- Address
- 13 Pencei (Cornhill), Porthmadog
- OS grid reference
- SH 568 383
- Coordinates
- 52.92376, -4.1309
- Source
- Cadw listing
Description
13 Pencei is a two-window house that stands 2½ storeys tall with a basement. It is part of a row with Nos 11-12 and 14-15, but it is separated from Nos 14-15 by a full-height vertical joint, while the joint between Nos 12 and 13 is concealed by cement. The house is constructed of large slate-stone blocks laid in regular courses, topped with a slate roof and featuring coursed stone end stacks. The openings are offset to the left. The entrance, located on the left side, is above street level and accessed by stone steps. It has a replacement fielded-panel door beneath a narrow overlight. The windows are 4-pane hornless sashes, which include two gabled roof dormers. On the right side, slate steps lead down to a replacement boarded basement door, positioned to the left of center, with a window to its right.
Local climate
13 Pencei (Cornhill) sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- Sale history — 2 transactions since 1998
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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- 12 Pencei (Cornhill)
- 14 Pencei (Cornhill)
- 11 Pencei (Cornhill)
- 15 Pencei (Cornhill)
- Caffi y Morwr Madog (The Mariner Café) and house
- 9 Pencei (Cornhill)
- Cornhill Cottage, including revetment walls and steps
- 8 Pencei (Cornhill)
- Limekiln Cottage, including revetment walls and steps
- 7 Pencei (Cornhill)