Pont Glantanat Uchaf is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 14 August 2003. Bridge.
Pont Glantanat Uchaf
- WRENN ID
- hushed-obsidian-acorn
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 14 August 2003
- Type
- Bridge
- Address
- Pont Glantanat Uchaf, Tanat Valley, Llanrhaeadr-Ym-Mochnant
- OS grid reference
- SJ 137 243
- Coordinates
- 52.80979, -3.28161
- Source
- Cadw listing
Description
Pont Glantanat Uchaf is a single-arch bridge, approximately 6 meters wide, constructed from local uncoursed slate masonry with sandstone voussoirs and a string course. The arch spans about 20 meters and features slightly rusticated voussoirs that are around 500 millimeters deep, with keystones on each side. The intrados surface of the arch is also rusticated.
The parapets rise to about 1 meter in height, made of the same uncoursed slate masonry, and they slightly flare out at all four ends. The flat copings include, on the downstream side, most of a stone carved with a cross within a circle, and on the upstream side, the remaining part of this stone along with another stone that has a more complete cross and circle. During an examination by the Commissioners in 1911, they looked for any accompanying inscriptions on these stones but found none.
Local climate
Pont Glantanat Uchaf sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.
It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 25 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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