Pont Hafoty-Gwyn is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 13 October 1966. A C17 Bridge.
Pont Hafoty-Gwyn
- WRENN ID
- ghost-trefoil-claret
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 13 October 1966
- Type
- Bridge
- Address
- Pont Hafoty-Gwyn, Caerhun, Conwy
- OS grid reference
- SH 738 707
- Coordinates
- 53.21917, -3.8903
- Source
- Cadw listing
Description
Pont Hafoty-Gwyn is a single-span rubble road bridge that was mentioned by Lhwyd in 1699 as 'y Bont newydh'. The current structure replaced an earlier bridge that was swept away in 1799, so it likely dates from shortly after that event. The bridge features a segmental arch with dressed voussoirs that are slightly inset below a hood made of thin stones. The parapets are boulder-coped and splay out slightly at the approaches, and the roadway is cambered.
Local climate
Pont Hafoty-Gwyn sits in a wetter-than-average part of the UK, with an average of 1,150 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.
It experiences an average of 40 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 23 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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