New Mill, Boardhouse Mills, Birsay is a Grade B listed building in the Orkney Islands local planning authority area, Scotland. First listed on 8 December 1971. Meal mill.
New Mill, Boardhouse Mills, Birsay
- WRENN ID
- rooted-floor-grove
- Grade
- B
- Local Planning Authority
- Orkney Islands
- Constituency
- Orkney and Shetland MP: Mr Alistair Carmichael (LD)
- Country
- Scotland
- Date first listed
- 8 December 1971
- Type
- Meal mill
- OS grid reference
- HY 255 274
- Coordinates
- 59.12755, -3.30312
- Source
- Historic Environment Scotland listing
Description
New Mill at Boardhouse Mills in Birsay was built in 1873 and stands 2 and a half storeys high. It features a flagstone exterior with harl-pointing and has a slated roof that includes a vent over the kiln. The mill is equipped with an overshot water wheel and a lade, and all machinery is in good working condition.
Local climate
New Mill, Boardhouse Mills, Birsay sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 2 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 2 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
- 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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