7 Heol Maengwyn is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 19 November 1990. House.
7 Heol Maengwyn
- WRENN ID
- unlit-chimney-elder
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 19 November 1990
- Type
- House
- Address
- 7 Heol Maengwyn, Machynlleth, SY20 8AA
- OS grid reference
- SH 745 008
- Coordinates
- 52.5907, -3.85287
- Source
- Cadw listing
Description
7 Heol Maengwyn is a four-storey building with a three-window front made of scribed stucco. The central windows on each floor are blocked. It features a slate roof with boarded eaves and red brick chimney stacks, one of which has been partially cut down. The building has 12-pane sash windows, some of which are lightly horned, and all windows, including the blocked ones, have architraves with bracket cills. Below, there are simple shop fronts with doors located at either end. The rear of the building has small pane sashes.
Local climate
7 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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