11 Heol Penrallt is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 19 January 1952. House.
11 Heol Penrallt
- WRENN ID
- hushed-forge-thyme
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 19 January 1952
- Type
- House
- Address
- 11 Heol Penrallt, Machynlleth, SY20 8AG
- OS grid reference
- SH 745 008
- Coordinates
- 52.59092, -3.85347
- Source
- Cadw listing
Description
11 Heol Penrallt is a mid to late 19th century, three-storey building with a three-window front, finished in scribed render and topped with a steep slate roof. It features bracket eaves and a red brick chimney stack on the right side. The windows are round arched and have horned four-pane sashes. To the right, there is a two-light round-headed shop window, which is flanked by pilasters and has a bracketed hood above a quatrefoil band, with a trefoil design in the central spandrel. The central porch is supported by cast iron piers with lightly foliated capitals and has an ironwork parapet adorned with anthemion-like designs. The round arched doorway features a four-panel door, with the upper two panels also being round arched.
Local climate
11 Heol Penrallt 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- 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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