Attached Barn to Tyn y Waun Farmhouse is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 31 July 1995. Barn.
Attached Barn to Tyn y Waun Farmhouse
- WRENN ID
- stony-hearth-sparrow
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 31 July 1995
- Type
- Barn
- Address
- Attached Barn to Tyn y Waun Farmhouse, Nant Caerhon, Rhayader
- OS grid reference
- SN 948 674
- Coordinates
- 52.29532, -3.54256
- Source
- Cadw listing
Description
The building is an attached barn to Tyn y Waun Farmhouse, dating from the 18th century. The farmhouse is two storeys high, rendered, and topped with a slate roof. On the left side, there is a very large square stone chimney with an oversailing top course, while on the right side, there is a rectangular stone chimney. The farmhouse features two windows on each floor, although they have modern glazing.
The attached barn is timber-framed and covered with weatherboarding, also featuring a slate roof that has eaves set lower than those of the house. To the right, there is a brick-fronted entrance to the house, which includes a door and a window. The barn has a gabled dormer loading door and three doorways, along with a higher loading door on the left side. The ground slopes to the left, where the left end of the barn is two storeys high, providing animal accommodation at the lower level. The gable apex is weatherboarded, and the stone lower level has a doorway.
Inside, the barn is lofted and features heavily built framing. At least one truss includes curved principal rafters.
Local climate
Attached Barn to Tyn y Waun Farmhouse sits in a wetter-than-average part of the UK, with an average of 1,160 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 81% of listed buildings.
It experiences an average of 48 freeze-thaw cycles a year, more than 89% 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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