Mill Bridge Underbridge is a Grade II listed building in the Bridgend local planning authority area, Wales. First listed on 5 April 2016. Railway bridge.
Mill Bridge Underbridge
- WRENN ID
- roaming-flue-mallow
- Grade
- II
- Local Planning Authority
- Bridgend
- Constituency
- Aberafan Maesteg MP: Stephen Kinnock (Lab)
- Country
- Wales
- Date first listed
- 5 April 2016
- Type
- Railway bridge
- Address
- Mill Bridge Underbridge, Llanmihangel, Pyle
- OS grid reference
- SS 818 823
- Coordinates
- 51.52731, -3.70456
- Source
- Cadw listing
Description
Mill Bridge Underbridge is a railway bridge featuring a single span masonry underbridge with projecting wingwalls. It is constructed from coursed and squared rock-faced sandstone, with rusticated voussoirs. The bridge has a parapet that includes later metal railings and plain sloping wingwalls.
Local climate
Mill Bridge Underbridge sits in one of the wettest parts of the UK, with an average of 1,220 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 95% of listed buildings.
It experiences an average of 23 freeze-thaw cycles a year, fewer than 76% of listed buildings. Of these, 9 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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