Pont Ty-gwyn gamlas is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 30 December 2004. Bridge.
Pont Ty-gwyn gamlas
- WRENN ID
- muffled-porch-blackthorn
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 30 December 2004
- Type
- Bridge
- Address
- Pont Ty-gwyn gamlas, Llanfihangel Y Traethau, Talsarnau, Gwynedd
- OS grid reference
- SH 598 353
- Coordinates
- 52.89697, -4.08476
- Source
- Cadw listing
Description
Pont Ty-gwyn gamlas is an early 19th-century road bridge featuring a single segmental arch made of dressed voussoirs and an advanced keystone. The bridge is constructed from roughly dressed and coursed mortared masonry, which includes a drip course and stone slab parapet coping.
Local climate
Pont Ty-gwyn gamlas sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2009
- 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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