Port Mary House is a Grade B listed building in the Dumfries and Galloway local planning authority area, Scotland. First listed on 4 November 1971. House.
Port Mary House
- WRENN ID
- stony-gable-grain
- Grade
- B
- Local Planning Authority
- Dumfries and Galloway
- Constituency
- Dumfries and Galloway MP: John Cooper (Con)
- Country
- Scotland
- Date first listed
- 4 November 1971
- Type
- House
- OS grid reference
- NX 751 454
- Coordinates
- 54.78803, -3.94322
- Source
- Historic Environment Scotland listing
Description
Port Mary House is a later 18th century building with 19th-century additions. It has two storeys, attics, and a basement, all featuring smooth rendering with polished raised margins. The main elevation has three bays with single-light 12-pane sash windows. The centre bay includes a full-height gabled projection from the late 19th century, made of bull-faced ashlar with smooth rusticated quoins and tripartite plate glass sashes.
The house has a moulded eaves cornice, skews, and skewputts, along with tall corniced axial end stacks that have octagonal flues. On either side of the house are piend-roofed single-storey and attic pavilions with Venetian windows, which are connected to the house by garden walls. The northern wall now forms part of a roofed corridor linking the main house and the pavilion. The southern pavilion features modern dormer windows.
The rear elevation is constructed of pinned rubble and includes a French door to the left, with other details matching those of the front. There are also a pair of canted dormers in the attics.
Local climate
Port Mary House sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.
It experiences an average of 17 freeze-thaw cycles a year, fewer than 83% of listed buildings. Of these, 7 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
- 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
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