Pont-Rhydbont, or Four-Mile Bridge is a Grade II listed building in the local planning authority area, Wales. First listed on 3 June 1998. House.
Pont-Rhydbont, or Four-Mile Bridge
- WRENN ID
- winter-hearth-jay
- Grade
- II
- Local Planning Authority
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 3 June 1998
- Type
- House
- Address
- Pont-Rhydbont, or Four-Mile Bridge, Rhoscolyn, Isle of Anglesey
- OS grid reference
- SH 279 783
- Coordinates
- 53.27416, -4.58114
- Source
- Cadw listing
Description
Pont-Rhydbont, also known as Four-Mile Bridge, is a structure featuring a long embankment made of rubble masonry with sloping sides. In the center, there is a simple semi-circular arched culvert that is wider on the east side. The bridge is flanked by roughly coped rubble parapet walls that border the road carriage.
Local climate
Pont-Rhydbont, or Four-Mile Bridge sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 8 freeze-thaw cycles a year, fewer than 93% of listed buildings. Of these, 3 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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