Aqueduct between Bridges No. 78 and 79 Monmouthshire and Brecon Canal is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 9 December 2005. Aqueduct.
Aqueduct between Bridges No. 78 and 79 Monmouthshire and Brecon Canal
- WRENN ID
- plain-stair-bistre
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 9 December 2005
- Type
- Aqueduct
- Address
- Aqueduct between Bridges No. 78 and 79 Monmouthshire and Brecon Canal, Abergavenny, Llanover
- OS grid reference
- SO 308 073
- Coordinates
- 51.76061, -3.0034
- Source
- Cadw listing
Description
The aqueduct is a small single arch structure that carries the Monmouthshire and Brecon Canal over the Nant Rhyd-y-meirch. It features a semi-circular arch made of voussoirs and is constructed from squared, faced, and coursed local sandstone. Above the arch, there is a drip course, and the plain parapet has slab coping, which supports a modern timber railing. The abutments of the aqueduct are slightly curved.
Local climate
Aqueduct between Bridges No. 78 and 79 Monmouthshire and Brecon Canal receives an average of 960 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 71% of listed buildings.
It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 22 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.
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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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