Barn at Garth Maelan is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 June 1990. Church.
Barn at Garth Maelan
- WRENN ID
- waning-pediment-sorrel
- 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
- Church
- Address
- Barn at Garth Maelan, Dolgellau, Gwynedd
- OS grid reference
- SH 742 189
- Coordinates
- 52.75321, -3.864
- Source
- Cadw listing
Description
The barn at Garth Maelan is a 7-bay structure featuring a central threshing floor with doorways on opposite sides. It includes a lofted cowhouse or stable at the right end. The building is constructed of rubble masonry and has a steeply pitched roof made of corrugated iron. The main doorway has a timber lintel and plank doors. To the right, there is a cowhouse doorway with a plank door and a stone lintel above it, as well as a loft doorway above that with another plank door. There are later double doors at the extreme left, also with a timber lintel. The left gable end is clad in corrugated iron. Inside, there are five original through purlin collared trusses and two new trusses, one of which forms the left gable end. Tie beams are present over the threshing floor.
Local climate
Barn at Garth Maelan 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 39 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 21 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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