Pont Blaen-y-glyn is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 December 1998. Bridge.
Pont Blaen-y-glyn
- WRENN ID
- unlit-timber-hazel
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 17 December 1998
- Type
- Bridge
- Address
- Pont Blaen-y-glyn, Glyn Collwn, Talybont-On-Usk, Powys
- OS grid reference
- SO 063 170
- Coordinates
- 51.84414, -3.36063
- Source
- Cadw listing
Description
Pont Blaen-y-glyn is a bridge made of stone rubble that crosses a mountain river. It features a wide basket arch that spans the river, with very narrow voussoirs and a slightly recessed design. The parapet coping has been replaced with concrete, and the bridge has partly tiered abutments.
Local climate
Pont Blaen-y-glyn sits in one of the wettest parts of the UK, with an average of 1,270 mm of rain a year. This makes it wetter than 94% 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 54 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 30 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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