Morton Mains is a Grade B listed building in the Dumfries and Galloway local planning authority area, Scotland. First listed on 3 August 1971. Haybarn.

Morton Mains

WRENN ID
brooding-cloister-winter
Grade
B
Local Planning Authority
Dumfries and Galloway
Constituency
Dumfriesshire, Clydesdale and Tweeddale MP: David Mundell (Con)
Country
Scotland
Date first listed
3 August 1971
Type
Haybarn
OS grid reference
NX 887 995
Coordinates
55.27782, -3.75314
Source
Historic Environment Scotland listing

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

Description

Morton Mains is a late 19th century haybarn that features a double-pile design. Originally, it consisted of two separate identical rectangular-plan barns with parallel gabled roofs, which now have a roof covering the space between them. The structure is supported by buttressed masonry piers that are rubble-built with red ashlar dressings at each corner, linked by timber lintels. These lintels are complemented by timber angle braces on the long walls. The gables are boarded and include ventilation hatches, while the roofs are covered with slate.

Local climate

Morton Mains sits in one of the wettest parts of the UK, with an average of 1,360 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.

It experiences an average of 61 freeze-thaw cycles a year, more than 98% of listed buildings. Of these, 37 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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  • 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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