Hay barn at Perfeddnant is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 15 August 2000. A N/A Barn.
Hay barn at Perfeddnant
- WRENN ID
- western-footing-tarn
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 15 August 2000
- Type
- Barn
- Period
- N/A
- Address
- Hay barn at Perfeddnant, Bryn Crug, Bryn-Crug, Gwynedd
- OS grid reference
- SH 628 055
- Coordinates
- 52.62994, -4.02774
- Source
- Cadw listing
Description
The hay barn at Perfeddnant is an open-sided structure with two bays. It features circular columns made of rendered rubble and has a gable wall at the western end. The roof is covered with slate. The columns support softwood tie beam trusses, with the principals crossing at the apex to hold a ridge-piece and a single purlin, while the gable end remains open.
Local climate
Hay barn at Perfeddnant sits in one of the wettest parts of the UK, with an average of 1,360 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 25 freeze-thaw cycles a year, fewer than 73% of listed buildings. Of these, 10 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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