Cilwych is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 22 June 2005. Farmhouse. 5 related planning applications.
Cilwych
- WRENN ID
- lone-foundation-sparrow
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 22 June 2005
- Type
- Farmhouse
- Address
- Cilwych, Llanspyddid, Glyn Tarell, Powys, LD3 8NS
- OS grid reference
- SO 004 277
- Coordinates
- 51.93902, -3.44963
- Source
- Cadw listing
Description
Cilwych is a farmhouse constructed from whitewashed rubble stone, topped with a slate roof and featuring brick end stacks. The building is small, with two storeys and a three-window range that is offset to the left. The centre window is blank, while the other windows are 19th-century four-pane sashes with brick cambered heads. There is a boarded door set in a bead-moulded frame, and a lean-to structure is located on the left-hand end. Additionally, there is a rubble outbuilding at right angles to the farmhouse, which has a tin roof, two doors, and a window.
Local climate
Cilwych sits in one of the wettest parts of the UK, with an average of 1,260 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.
It experiences an average of 56 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 32 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
- Related listed building consents — 5 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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