Caban Coch dam (partly in Rhayader community) is a Grade II* listed building in the Powys local planning authority area, Wales. First listed on 31 July 1995. Dam.
Caban Coch dam (partly in Rhayader community)
- WRENN ID
- dark-postern-yew
- Grade
- II*
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 31 July 1995
- Type
- Dam
- Address
- Caban Coch dam (partly in Rhayader community), Elan Valley, Llanwrthwl
- OS grid reference
- SN 924 644
- Coordinates
- 52.26755, -3.57714
- Source
- Cadw listing
Description
Caban Coch dam is a significant structure located partly in the Rhayader community. For a complete description of the dam, please refer to Record Number 16202 in the Rhayader community.
Local climate
Caban Coch dam (partly in Rhayader community) sits in one of the wettest parts of the UK, with an average of 1,200 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.
It experiences an average of 54 freeze-thaw cycles a year, more than 95% of listed buildings. Of these, 33 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
Similar buildings
The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.
- 1 Claerwen dam, including attached footbridges (partly in Rhayader community)
- 2 Footbridge at hydro-electric station (partly in Rhayader community)
- 3 Llanrhaeadr-ym-Mochnant Bridge (partly in the Community of Llanrhaeadr-ym-Mochnant (South))
- 4 Taff Vale Railway bridge over Cwm Clydach (partly in Abercynon Community)
- 5 Rhandirmwyn Bridge (partly in Llanfair-ar-y-Bryn community)
this building 1 similar nearby listed buildings
Nearby listed buildings
- Caban Coch Dam (partly in Llanwrthwl community)
- Footbridge at hydro-electric station (partly in Rhayader community)
- Hydro-electric Station below Caban Coch Dam (south power house)
- Footbridge at hydro-electric station (partly in Llanwrthwl community)
- Hydro-electric Station below Caban Coch Dam (north power house)
- Cadan View
- Estate Office including House to rear
- Elan Valley Lodge
- Shelter and Fountain
- No 1