Edgelaw Reservoir Dam is a Grade B listed building in the Midlothian local planning authority area, Scotland. First listed on 29 March 1999. Reservoir. 4 related planning applications.
Edgelaw Reservoir Dam
- WRENN ID
- tattered-cinder-russet
- Grade
- B
- Local Planning Authority
- Midlothian
- Constituency
- Midlothian MP: Kirsty McNeill (Lab)
- Country
- Scotland
- Date first listed
- 29 March 1999
- Type
- Reservoir
- OS grid reference
- NT 303 580
- Coordinates
- 55.81079, -3.1122
- Source
- Historic Environment Scotland listing
Description
The Edgelaw Reservoir Dam was designed by James and Alexander Leslie in 1880. It is primarily constructed from squared and snecked, bull-faced pink sandstone, with a grey rubble retaining wall featuring semicircular coping. The dam includes a polished sandstone corniced upstand shaft topped with cast-iron railings, and there is a pedimented opening that allows water to flow from the base of the embankment, which is crossed by a double warren girder bridge. To the northwest of the dam, there is a curved overflow with a stepped-down channel, also crossed by a double warren girder bridge. A round-arched brick footbridge with iron railings is located to the southeast of the reservoir. Additionally, at the western end of the reservoir, there is a segmental-arched bridge made of coursed, bull-faced pink sandstone, featuring polished coping and an arch ring.
Local climate
Edgelaw Reservoir Dam 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 78% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 53% of listed buildings.
It experiences an average of 55 freeze-thaw cycles a year, more than 95% of listed buildings. Of these, 34 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 — 4 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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