Great Castle Farmhouse is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 28 February 2005. Farmhouse.
Great Castle Farmhouse
- WRENN ID
- hushed-window-shade
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 28 February 2005
- Type
- Farmhouse
- Address
- Great Castle Farmhouse, Gaufron, Nantmel
- OS grid reference
- SO 013 682
- Coordinates
- 52.30387, -3.44871
- Source
- Cadw listing
Description
Great Castle Farmhouse is a 2-storey house with three windows, constructed of rubble stone, with some parts rebuilt in brick at the front. It features a slate roof, with a stone chimney stack on the left and a blue-brick chimney stack on the right. The central entrance has a boarded door with an overlight above it. The windows are small-pane horned sashes, set under segmental arches on the lower storey and beneath the eaves on the upper storey. A lean-to has been added to the rear of the building.
Local climate
Great Castle Farmhouse sits in a wetter-than-average part of the UK, with an average of 1,090 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.
It experiences an average of 51 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 29 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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