Kendoon South Dam, Galloway Hydroelectric Power Scheme is a Grade C listed building in the Dumfries and Galloway local planning authority area, Scotland. First listed on 11 February 2011. Dam. 1 related planning application.

Kendoon South Dam, Galloway Hydroelectric Power Scheme

WRENN ID
muffled-step-grove
Grade
C
Local Planning Authority
Dumfries and Galloway
Constituency
Dumfries and Galloway MP: John Cooper (Con)
Country
Scotland
Date first listed
11 February 2011
Type
Dam
OS grid reference
NX 613 893
Coordinates
55.1786, -4.17932
Source
Historic Environment Scotland listing

Also on this page: related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Kendoon South Dam, part of the Galloway Hydroelectric Power Scheme, was designed by James Williamson with consulting engineers Sir Alexander Gibb and Merz and McLellan in 1936. This structure features a long, shallow V-section concrete arch and gravity dam, with a single control tower located at the center. An elevated roadway runs along the crest, supported by piers over a fixed spillway on the eastern side, while the western side has a stepped eaves course. The roadway is bordered by a concrete parapet, and larger piers at the terminal bays act as buttresses on the downstream face. A curved wave-wall is situated at the base of the dam. The control tower spans a walkway and has chamfered upper corners, with a tall, narrow round-headed opening at the base and a single rounded-headed window above. The doorway, added in 2009, has a metal covering.

Local climate

Kendoon South Dam, Galloway Hydroelectric Power Scheme sits in one of the wettest parts of the UK, with an average of 1,520 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 86% of listed buildings.

It experiences an average of 64 freeze-thaw cycles a year, more than 99% of listed buildings. Of these, 40 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
  • Related listed building consents — 1 application
  • 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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