Barn at Greenhill Farm is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 21 October 1998. Barn.
Barn at Greenhill Farm
- WRENN ID
- fallow-sandstone-indigo
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 21 October 1998
- Type
- Barn
- Address
- Barn at Greenhill Farm, Gaer, Llanfihangel Cwmdu with Bwlch and Cathedine, Powys
- OS grid reference
- SO 168 220
- Coordinates
- 51.89068, -3.20991
- Source
- Cadw listing
Description
The barn at Greenhill Farm is a small structure built from rubble stone, featuring a gabled roof. The front slope of the roof is covered with slate, while the rear is finished with stone tiles. A canopy supported by wooden brackets shelters the central full-height boarded doors that lead to the wagon bay. On either side of the doorway, there are vent strips. The left gable end includes a triangular breather located below the apex and a boarded loft opening. The right gable end has a similar breather and an added lean-to made of corrugated iron. The rear wall has a doorway that is offset to the left and is topped with a timber lintel. The barn was not inspected during the survey conducted in January 1998.
Local climate
Barn at Greenhill Farm sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.
It experiences an average of 54 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 30 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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