Outbuildings at Cilwych is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 22 June 2005. Outbuilding.
Outbuildings at Cilwych
- WRENN ID
- plain-threshold-snow
- 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
- Outbuilding
- Address
- Outbuildings at Cilwych, Llanspyddid, Glyn Tarell, Powys
- OS grid reference
- SO 004 277
- Coordinates
- 51.93926, -3.44974
- Source
- Cadw listing
Description
The outbuildings at Cilwych consist of an L-plan range. The large barn, constructed from rubble stone, features a half-hipped corrugated roof. On the left side is the barn, while the right side has two large round-arched cart entries with cut-stone voussoirs. The barn includes a full-height door with an overhanging pentice, flanked by large loops on either side. The right end wall is accentuated with grey stone quoins, and the rear has a large door positioned to the right of center, along with one loop to the right.
To the left is a lower L-plan range, which is poorly constructed but more architectural, made of coursed small squared stones. This two-storey section has a slate roof and features a double sill course beneath square loft windows, with one window in the short stable section to the left of the barn and two in the return cartshed section. The stable includes a door and window with stone voussoirs, while the cartshed has two broad elliptical arches with stone voussoirs, triple keystones, and raised imposts on pilasters made of cut grey stone, set against rubble outer piers and a central round pier. A datestone between the loft windows reads 'Thos. Bold 1822'. There are outside steps at the left end leading to the loft door, and the rear northwest angle is hipped. The interior has not been inspected.
Local climate
Outbuildings at 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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- 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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