Barn range at Hafod y Garreg is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 3 August 2001. Barn.
Barn range at Hafod y Garreg
- WRENN ID
- pitched-tallow-flax
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 3 August 2001
- Type
- Barn
- Address
- Barn range at Hafod y Garreg, Trericket, Builth Wells, Erwood
- OS grid reference
- SO 107 415
- Coordinates
- 52.06473, -3.3034
- Source
- Cadw listing
Description
The barn range at Hafod y Garreg is a Grade II listed structure built from thin coursed rubble stone, which was formerly whitewashed, and features a slate roof. The upper end of the barn has double barn doors with a timber lintel and two vent loops on each side. There is a blocked door and a small timber window with four thin diamond mullions towards the upper right, which may date back to the 17th century. The right gable end is built into a bank.
The lofted lower end includes a door with a timber lintel to the right and a loft door under the eaves above and slightly to the left. There is a broad cart-entry with a timber lintel to the left, and the left end wall has two vent loops in the gable.
Inside, the barn features five tie-beam and collar trusses supporting a triple-purlin roof, with two of the trusses also having angled struts. One beam is smoke-blackened, suggesting it may have been reused. The barn also has a cobbled threshing floor.
Local climate
Barn range at Hafod y Garreg sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 69% of listed buildings.
It experiences an average of 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 25 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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