Pont Nant-yr-ehedydd is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 4 November 1999. Bridge.
Pont Nant-yr-ehedydd
- WRENN ID
- sharp-loggia-marsh
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 4 November 1999
- Type
- Bridge
- Address
- Pont Nant-yr-ehedydd, Cwm Cewydd, Machynlleth, Mawddwy, Gwynedd
- OS grid reference
- SH 903 127
- Coordinates
- 52.70122, -3.62476
- Source
- Cadw listing
Description
Pont Nant-yr-ehedydd is a bridge constructed from local coursed shale and stone. It features a stilted semi-circular single arch made of flush, even shale voussoirs that rise to a keystone, with flush spandrels and a horizontal string, topped by a parapet. The bridge spans approximately 6 meters and supports a carriageway that is 5.5 meters wide, with parapets measuring 50 centimeters on each side.
Local climate
Pont Nant-yr-ehedydd sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.
It experiences an average of 49 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 28 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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