Holyhead Road Bridge at Bron-cadnant is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 19 October 1998. Bridge.
Holyhead Road Bridge at Bron-cadnant
- WRENN ID
- sharp-clay-russet
- Grade
- II
- Local Planning Authority
- Conwy
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 19 October 1998
- Type
- Bridge
- Address
- Holyhead Road Bridge at Bron-cadnant, Hendre-Isaf, Pentrefoelas
- OS grid reference
- SH 861 513
- Coordinates
- 53.04691, -3.7003
- Source
- Cadw listing
Description
The Holyhead Road Bridge at Bron-cadnant is a Grade II listed structure featuring rubble stonework. It has a single segmental arch that spans 5.1 meters between stone abutments, which are canalized. The arch consists of a single ring of voussoirs that are 0.4 meters deep and rise 1.9 meters above the water level, leading to a horizontal square string at the base of the flush parapet. The parapet is topped with a stone-on-edge coping and ends in small square piers. The abutment wall outside the arch's span is slightly battered at the base. The carriageway is level and measures 8.66 meters wide, with parapets that are 0.5 meters high on each side.
Local climate
Holyhead Road Bridge at Bron-cadnant sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.
It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 29 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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