Barn at Cathedine Fawr is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 21 August 1998. Barn.
Barn at Cathedine Fawr
- WRENN ID
- twelfth-gargoyle-poplar
- 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 August 1998
- Type
- Barn
- Address
- Barn at Cathedine Fawr, Llangors, Powys
- OS grid reference
- SO 146 261
- Coordinates
- 51.92709, -3.24328
- Source
- Cadw listing
Description
The barn at Cathedine Fawr is a large 8-bay structure built from stone rubble, featuring a roof made of Welsh slate and stone tiles, oriented east to west. It has pairs of opposing doorways on the east and west sides, with the southwest doorway altered. The barn includes a main tier of ventilation slits with stone lintels on the front and timber on the rear, as well as two slits in the gable end. Due to the sloping ground, the west end has a deep plinth, and the ground level is significantly higher behind the barn. Attached to the southwest corner is a rubble wall that forms the main boundary of the farmyard and borders the yard in front of the byre.
Inside, the barn features pegged trusses with tie beams and struts, along with three rows of trenched purlins. The ventilation slits have sharp arises and deep splays, and there is a stone flag threshing floor.
Local climate
Barn at Cathedine Fawr 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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Nearby listed buildings
- Byre at Cathedine Fawr
- Cathedine Fawr farmhouse including attached kitchen and granary range
- Gilfach
- Barn and stable range N of Lower Cathedine farmhouse
- Walled garden at Treholford
- Lower Cathedine farmhouse and attached farm range to W.
- Treholford
- Church of St Michael
- Gunter monuments in the churchyard at E end of church of St Michael
- Vaughan monument in the churchyard to S side of church of St Michael