Building to rear of Nos.104 & 106 Heol Maengwyn (now part of the Petrol, Station property is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 19 November 1990. Agricultural building.
Building to rear of Nos.104 & 106 Heol Maengwyn (now part of the Petrol, Station property
- WRENN ID
- woven-rampart-coral
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 19 November 1990
- Type
- Agricultural building
- Address
- Building to rear of Nos.104 & 106 Heol Maengwyn (now part of the Petrol, Station property, Machynlleth
- OS grid reference
- SH 750 008
- Coordinates
- 52.59073, -3.84652
- Source
- Cadw listing
Description
This building, located at the rear of Nos. 104 and 106 Heol Maengwyn, is a 17th-century former agricultural structure that is now part of the petrol station property. It features a mix of whitewashed and cement-rendered rubble with a steep slate roof that has heavy grouting, particularly on the left side. The left gable end has a rubble parapet with crude quarter round kneelers, while the right gable end includes slit ventilators. The building has undergone modern alterations, but originally it consisted mainly of alternating doors and windows.
Inside, the roof structure has been partly replaced and includes overlapping purlins and tie beams with diagonal struts.
Local climate
Building to rear of Nos.104 & 106 Heol Maengwyn (now part of the Petrol, Station property sits in one of the wettest parts of the UK, with an average of 1,280 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 38 freeze-thaw cycles a year, more than 73% of listed buildings. Of these, 20 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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