Dutch Barn at Llwyn is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 June 1990. Barn.
Dutch Barn at Llwyn
- WRENN ID
- sharp-spire-weasel
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 19 June 1990
- Type
- Barn
- Address
- Dutch Barn at Llwyn, Dolgellau, Gwynedd
- OS grid reference
- SH 732 181
- Coordinates
- 52.74602, -3.87858
- Source
- Cadw listing
Description
The Dutch Barn at Llwyn is a building constructed with coursed rubble masonry and open sides. It features trusses supported by solid slate piers and has a moderately pitched roof made of quarry slate, with plain eaves and close verges. There are pitching doors at both gable ends, with a stone lintel on the north side and timber on the south side. To the south, there is a ruin. The barn has a king post roof that is dressed but bolted, along with composite tie beams, and retains its original purlins and rafters.
Local climate
Dutch Barn at Llwyn sits in one of the wettest parts of the UK, with an average of 1,340 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 93% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 52% of listed buildings. Of these, 17 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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