Pont-y-wern is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 27 August 1999. Bridge.
Pont-y-wern
- WRENN ID
- stark-basalt-root
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 27 August 1999
- Type
- Bridge
- Address
- Pont-y-wern, Golden Grove Park, Carmarthen, Llanfihangel Aberbythych
- OS grid reference
- SN 602 198
- Coordinates
- 51.86009, -4.03013
- Source
- Cadw listing
Description
Pont-y-wern is a notable single-arch estate bridge made of limestone, featuring a span of 12 meters and supporting a road that is about 5 meters wide. The bridge has a deep segmental arch, with thin voussoirs that are nearly 0.5 meters deep and a slender keystone. On either side of the arch, there are two shallow buttresses that rise to form piers in the parapets.
The parapets are constructed in ashlar masonry and are divided into three lengths, each separated by small piers. The central section on each side includes three sets of balusters. The parapet has weathering at the base, and the top course is chamfered with a slight weathering on the exterior side.
Local climate
Pont-y-wern sits in one of the wettest parts of the UK, with an average of 1,400 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 18 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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