Loch Doon Dam, Galloway Hydro Electric Power Scheme is a Grade C listed building in the East Ayrshire local planning authority area, Scotland. First listed on 11 February 2011. Dam. 3 related planning applications.
Loch Doon Dam, Galloway Hydro Electric Power Scheme
- WRENN ID
- iron-gallery-pearl
- Grade
- C
- Local Planning Authority
- East Ayrshire
- Constituency
- Ayr, Carrick and Cumnock MP: Elaine Stewart (Lab)
- Country
- Scotland
- Date first listed
- 11 February 2011
- Type
- Dam
- OS grid reference
- NS 477 014
- Coordinates
- 55.2834, -4.39902
- Source
- Historic Environment Scotland listing
Description
Loch Doon Dam, part of the Galloway Hydro Electric Power Scheme, was designed by James Williamson with consulting engineers Sir Alexander Gibb and Merz and McLellan in 1936. It features a long, shallow curved-section concrete arch and gravity dam, which includes an elevated roadway along the crest supported by an arcade of shouldered arches over a fixed spillway on the northern side. To the southern side, there is a stepped eaves course. An octagonal fish ladder is located on the upstream face, which has a concrete outer shell and a continuous spiral of sequential octagonal pools inside. The roadway has a concrete parapet with larger piers that act as buttresses on the upstream face. Additionally, there is a control room on the upstream face, supported by corbelled brackets, featuring a single round-headed window in the center. The downstream face has a large fixed spillway with curved concrete wave-walls.
Local climate
Loch Doon Dam, Galloway Hydro Electric Power Scheme sits in one of the wettest parts of the UK, with an average of 1,470 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 50 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 31 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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
- Related listed building consents — 3 applications
- 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.
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