Hen Blas is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 22 February 1995. Bridge.
Hen Blas
- WRENN ID
- proud-corridor-vermeil
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 22 February 1995
- Type
- Bridge
- Address
- Hen Blas, Burgedin, Guilsfield
- OS grid reference
- SJ 245 138
- Coordinates
- 52.71677, -3.11907
- Source
- Cadw listing
Description
Hen Blas is a building framed with three panels high and features corner braces attached to the main posts, which are marked with assembly marks. The wallplate has a bridled scarf joint. The building includes a boarded door, two-light timber windows, and three small dormers. There are stacks on both gable walls, and above the door, there is an inscription that reads E A I 1785. Inside, there are chamfered spine beams and a large stack located in the right bay.
Local climate
Hen Blas 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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