9 Pencei (Cornhill) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 30 March 1951. House. 1 related planning application.
9 Pencei (Cornhill)
- WRENN ID
- riven-lead-rush
- 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
- 9 Pencei (Cornhill), Porthmadog, LL49 9AY
- OS grid reference
- SH 568 383
- Coordinates
- 52.92358, -4.13076
- Source
- Cadw listing
Description
9 Pencei is a 3½-storey house with two windows, part of a row with Nos 7-10. It features distinctive large slate-stone blocks arranged in regular courses, a slate roof with added skylights, and shared stone stacks. The openings are offset to the right. The main entrance, located on the right, has a replacement half-glazed door, with a window to its left, both set in raised cement surrounds painted white. The windows are replacements in their original openings, except for the right-hand middle-storey window, which was originally a doorway.
Local climate
9 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- Related listed building consents — 1 application
- 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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