31 Heol Maengwyn is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 19 November 1990. Bridge.
31 Heol Maengwyn
- WRENN ID
- hollow-plinth-mist
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 19 November 1990
- Type
- Bridge
- Address
- 31 Heol Maengwyn, Machynlleth
- OS grid reference
- SH 746 008
- Coordinates
- 52.59073, -3.85151
- Source
- Cadw listing
Description
31 Heol Maengwyn is an early 19th century, three-storey building with a four-window front that is scribed and rendered. It features a slate roof and rubble end chimney stacks. The building has nine and twelve-pane sash windows, along with modern shop fronts and panelled doors.
Local climate
31 Heol Maengwyn sits in one of the wettest parts of the UK, with an average of 1,320 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 15 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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