Upper Cwm Bridge is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 19 November 1998. Bridge.
Upper Cwm Bridge
- WRENN ID
- heavy-vestry-laurel
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 19 November 1998
- Type
- Bridge
- Address
- Upper Cwm Bridge, Llanbedr, the Vale of Grwyney, Powys
- OS grid reference
- SO 241 203
- Coordinates
- 51.87674, -3.10297
- Source
- Cadw listing
Description
Upper Cwm Bridge is a single-carriageway bridge built in the late 18th century or early 19th century. It is constructed from rubble sandstone and features a ramp that rises to the center. The bridge has splayed abutments and a segmental arch made with thin voussoirs. The parapet includes slab copings and extends beyond the bridge on the eastern side.
Local climate
Upper Cwm Bridge 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 71% of listed buildings.
It experiences an average of 50 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 27 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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