Millbrook Bridge is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 19 July 1963. Bridge.
Millbrook Bridge
- WRENN ID
- waning-tallow-rush
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 19 July 1963
- Type
- Bridge
- Address
- Millbrook Bridge, the Vale of Grwyney, Powys
- OS grid reference
- SO 239 172
- Coordinates
- 51.84833, -3.10576
- Source
- Cadw listing
Description
Millbrook Bridge is a late 18th-century single-carriageway bridge made of rubble stone that ramps up to the center. The abutments curve outward at the ends and continue on the southeast side as a revetment for the road. The bridge features a segmental arch with tooled voussoirs. Above the arch, there is a thin projecting band, and the low parapet has flat coping stones, some of which have been replaced.
Local climate
Millbrook Bridge sits in a wetter-than-average part of the UK, with an average of 1,040 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 75% of listed buildings.
It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 24 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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