Efail-y-plas Bridge (partly in Llanelidan Community) is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 30 October 2000. Bridge.
Efail-y-plas Bridge (partly in Llanelidan Community)
- WRENN ID
- heavy-bronze-amber
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 30 October 2000
- Type
- Bridge
- Address
- Efail-y-plas Bridge (partly in Llanelidan Community), Clawddnewydd, Derwen
- OS grid reference
- SJ 096 509
- Coordinates
- 53.04858, -3.34879
- Source
- Cadw listing
Description
Efail-y-plas Bridge is a single segmental arch bridge that spans the River Clwyd, measuring approximately 15 metres in length. The bridge is constructed from axe-dressed rubble stonework, featuring a projecting course on the outer curve of the arch and at the base of the parapets. The stones used for the arch are varied in depth, with deeper stones positioned at the abutments and shallower stones at the crown of the arch. The low parapets, which are about 5 metres apart, are topped with thin flat coping stones.
Local climate
Efail-y-plas Bridge (partly in Llanelidan Community) sits in a wetter-than-average part of the UK, with an average of 980 mm of rain a year. This makes it wetter than 79% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 56% of listed buildings.
It experiences an average of 49 freeze-thaw cycles a year, more than 91% 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.
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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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