Barn at Cwmcoynant is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 20 June 1995. Barn.
Barn at Cwmcoynant
- WRENN ID
- gilded-pedestal-jackdaw
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 20 June 1995
- Type
- Barn
- Address
- Barn at Cwmcoynant, Hay Common, Llanigon, Powys
- OS grid reference
- SO 231 377
- Coordinates
- 52.03299, -3.12099
- Source
- Cadw listing
Description
The barn at Cwmcoynant is a Grade II listed structure, built of stone and featuring slit vents. The original stone tiles have been replaced with corrugated iron. It has a stout east doorframe with a lintel inscribed 'H 1692 P' along with a flourish. The roof consists of four bays, supported by wainy tiebeams and V-struts, with three heights of purlins. There are lean-to attachments on the north side, which is a stone and slate shed dating from the 18th or 19th century, and on the east side, a cattleshed made of stone and corrugated iron from the 18th century.
Local climate
Barn at Cwmcoynant sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.
It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 27 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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