Pont Ty-gwyn is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 22 September 1997. Bridge.
Pont Ty-gwyn
- WRENN ID
- fossil-rubblework-hazel
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 22 September 1997
- Type
- Bridge
- Address
- Pont Ty-gwyn, Glasinfryn, Bangor, Pentir
- OS grid reference
- SH 587 687
- Coordinates
- 53.19678, -4.11646
- Source
- Cadw listing
Description
Pont Ty-gwyn is a bridge constructed from local stone rubble. It features a single arched span, supported by rock on either side, situated above a river that flows through rapids beneath a stone sluice, possibly associated with a former mill. The arch includes slightly inset voussoirs, with a regulating course positioned above. The spandrels and the bowed flush parapets are topped with sharply keeled flush coping on both sides.
Local climate
Pont Ty-gwyn sits in one of the wettest parts of the UK, with an average of 1,210 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 90% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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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