Barn to East of Trewern House is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 11 March 1981. Barn.
Barn to East of Trewern House
- WRENN ID
- dusk-paling-bone
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 11 March 1981
- Type
- Barn
- OS grid reference
- SJ 283 115
- Coordinates
- 52.6968, -3.0614
- Source
- Cadw listing
Description
The barn to the east of Trewern House is a Grade II listed timber-framed structure, featuring two and three panels high. Originally, the lower panel had board infill while the upper panels were woven, but it has since been weatherboarded and has a slated roof. The barn consists of seven bays and was originally lofted throughout. At the western end, there is an attached building made up of three stone walls.
The main posts of the barn are supported by angle braces connecting to the tie beams, and the structure features collar beam trusses with struts to the principal rafters, along with ties and braces to the main posts. Some of the tie beams are chamfered and stopped.
There is a small door entrance in the third bay from the east, with a corresponding door on the opposite side that creates a cross passage between the closed trusses. Additionally, there is a long tension brace at the eastern end where it meets the stone building.
Local climate
Barn to East of Trewern House receives an average of 840 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 61% of listed buildings.
It experiences an average of 42 freeze-thaw cycles a year, more than 80% of listed buildings. Of these, 21 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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