Upper Llandewi is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 9 March 1995. House.
Upper Llandewi
- WRENN ID
- hidden-pier-linden
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 9 March 1995
- Type
- House
- Address
- Upper Llandewi, Llandewi Fach, Painscastle
- OS grid reference
- SO 131 443
- Coordinates
- 52.09108, -3.26952
- Source
- Cadw listing
Description
Upper Llandewi is a former cruck house that underwent rebuilding in the 17th and 18th centuries. It is one-and-a-half storeys tall and is positioned on a slope, with a wash-house and dairy extension at the lower end. The building is constructed of rubble stone, which has been overpainted, and features a slate roof along with a rubble porch located to the left of the center. There are four small eaves dormers and brick stacks at the ridge and upper end of the house. The windows are small-paned casements from the 19th or 20th century, set under timber lintels.
Inside, one cruck truss is visible in the upper end gable, and there is a large central stack that has back-to-back fireplaces. The room to the right of the stack features ovolo-moulded beams, while the room to the left has large close-set chamfered joists. Stone-built winder stairs rise in an alcove on the north side of the stack. Additionally, there are two salting slabs in the dairy.
Local climate
Upper Llandewi sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 69% of listed buildings.
It experiences an average of 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 25 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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