Barn/stable at Penbryn Mawr is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 21 July 2000. Barn, stable.
Barn/stable at Penbryn Mawr
- WRENN ID
- brooding-buttress-martin
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 21 July 2000
- Type
- Barn, stable
- Address
- Barn/stable at Penbryn Mawr, Penygroes, Llanllyfni
- OS grid reference
- SH 460 538
- Coordinates
- 53.05999, -4.29931
- Source
- Cadw listing
Description
The barn and stable at Penbryn Mawr is a 19th-century structure built of largely uncoursed rubblestone and topped with a slate roof featuring coped verges. The building has a long rectangular plan and includes a double threshing barn that extends to the left, where there is a lofted stable. There is a further lower extension to the left, which is set back and has a corrugated iron roof, likely used as a cowhouse.
The original building features wide full-height barn doorways on the left and in the center, with a lower doorway on the right. A stable door is located between the left and center doorways. To the right of the center doorway, there are two ventilation slits and a small eaves window immediately to the right of the stable door. The left extension has a single doorway with a small eaves window directly above it, along with another window to the left. The interior was not inspected during the survey.
Local climate
Barn/stable at Penbryn Mawr sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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
- No sale records on file
- 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
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