Abercannon is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 20 March 1996. A C18 Farmhouse.
Abercannon
- WRENN ID
- tired-gutter-rook
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 20 March 1996
- Type
- Farmhouse
- Address
- Abercannon, Cannon Valley, Llanerfyl
- OS grid reference
- SH 962 069
- Coordinates
- 52.65019, -3.53459
- Source
- Cadw listing
Description
Abercannon is a farmhouse likely dating from the 18th century, situated on low-lying land near where the small Afon Cannon meets the Afon Glam, approximately 1.2 kilometers west-southwest of Llanerfyl village. The farm is enclosed by walls made of dry-laid river pebbles.
The exterior features colour washed stone and a slate-covered roof. The building follows a derived longhouse plan with the entrance located opposite the stack. It has two storeys and includes a living room, an inner unheated parlour, a kitchen, and a wash-house, all under a continuation of the roof at the rear. Beyond the gable stack, there is a two-bay cowhouse. A later hipped lean-to is attached to the parlour end. The door, dating from around 1930, has a glazed panel and is set in an open stone-built porch with a timber-framed gable. The windows are 19th century, featuring four- and six-pane sash designs with segmental arched heads, although the upper windows have been renewed in earlier openings. The stack has been rebuilt in brick, and there are two boarded doors leading to the farm building.
The interior was not accessible during the inspection in October 1995. Abercannon is listed as a well-preserved farmhouse that is typical of the upland area.
Local climate
Abercannon sits in a wetter-than-average part of the UK, with an average of 1,110 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.
It experiences an average of 48 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 28 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.
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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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