Cilgwrgan Bridge is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 14 July 1997. Bridge.
Cilgwrgan Bridge
- WRENN ID
- gilded-steeple-thrush
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 14 July 1997
- Type
- Bridge
- Address
- Cilgwrgan Bridge, Llandyssil
- OS grid reference
- SO 143 933
- Coordinates
- 52.53143, -3.26379
- Source
- Cadw listing
Description
Cilgwrgan Bridge is a three-span bridge featuring wide segmental arches. It is constructed from coursed, grey, rock-faced masonry, with pilasters at each end. The arches are made of red brick, consisting of six courses of headers, and are topped with tall, narrow keystones. The bridge has protruding, pointed cut-waters that are capped with red sandstone and have narrow plinths. The parapets include string courses made of red dressed sandstone, which are tooled with margin drafting and have curved ends.
Local climate
Cilgwrgan Bridge sits in a wetter-than-average part of the UK, with an average of 1,010 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 73% of listed buildings.
It experiences an average of 47 freeze-thaw cycles a year, more than 88% 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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