Glan-afon is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 5 August 2004. House.
Glan-afon
- WRENN ID
- young-threshold-woodpecker
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 5 August 2004
- Type
- House
- Address
- Glan-afon, Cemmaes, Glantwymyn
- OS grid reference
- SH 840 062
- Coordinates
- 52.64143, -3.71525
- Source
- Cadw listing
Description
Glan-afon is a two-storey, two-window house built of random stone and topped with a slate roof featuring stone end stacks and boarded eaves. The entrance is located on the east gable end, while the garden front faces north. This garden front showcases full-height canted bay windows with hipped rooflets, which contain hornless 12-pane sash windows. Above these, there are hornless 16-pane sash windows that align with the eaves. The gabled entrance front features a panelled door with a plain overlight, positioned to the left, and is topped by a long timber lintel; above this is a 16-pane hornless sash window. On the west gable end, there is a hornless sash window offset to the right, which may serve as a stairlight.
Attached to the main structure is a rear wing that is one-and-a-half storeys tall and timber-framed with large panels, while the south gable end is constructed of rubble stone. This wing also has a slate roof and a stone end stack. The east side, next to the front entrance, has two windows with tall 6-pane wooden frames, likely dating from the late 20th century, with similar upper storey windows aligned above. There is a part-glazed lean-to on the west side, but details of this feature were not observed.
Access to the interior was not available at the time of inspection.
Local climate
Glan-afon sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 26 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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