Folly Bridge (Canal Bridge No 119) is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 21 October 1998. Bridge.
Folly Bridge (Canal Bridge No 119)
- WRENN ID
- ghost-lancet-vale
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 21 October 1998
- Type
- Bridge
- Address
- Folly Bridge (Canal Bridge No 119), Dardy, Llangattock, Powys
- OS grid reference
- SO 203 187
- Coordinates
- 51.86136, -3.15756
- Source
- Cadw listing
Description
Folly Bridge, also known as Canal Bridge No 119, is a single-span hump-backed bridge made of rubble sandstone. It features an asymmetrical segmental arch with thin voussoirs and keystones. The bridge has continuous parapets that are splayed and supported by square end piers. The copings consist mainly of upright stones.
Local climate
Folly Bridge (Canal Bridge No 119) sits in a wetter-than-average part of the UK, with an average of 1,100 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 74% of listed buildings.
It experiences an average of 54 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 30 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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