Barn at Glan Hafren is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 9 May 1988. Bridge.
Barn at Glan Hafren
- WRENN ID
- forbidden-wattle-swallow
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 9 May 1988
- Type
- Bridge
- Address
- Barn at Glan Hafren, Newtown and Llanllwchaiarn
- OS grid reference
- SO 131 923
- Coordinates
- 52.52179, -3.28196
- Source
- Cadw listing
Description
The barn at Glan Hafren is a 6 bay timber-framed agricultural building with a linear plan. It features a 4 bay barn from the 17th century, constructed with a box frame and square panels. The original wattle infill has been replaced with lap boarding. The barn has a steeply pitched slate roof, with haylofts on both sides of the threshing floor and a byre located underneath on the left side. Adjoining to the left is a similar lofted byre from the same period, which has been later converted into a stable.
Additionally, there is a stable at the extreme left, likely from the 18th century. This stable is also timber-framed with lap boarding and has a gentler roof pitch, featuring an entry in the gable end wall.
Local climate
Barn at Glan Hafren sits in a wetter-than-average part of the UK, with an average of 1,010 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 73% of listed buildings.
It experiences an average of 47 freeze-thaw cycles a year, more than 88% 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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