Lower Calbourne Mill is a Grade II listed building in the Isle of Wight local planning authority area, England. First listed on 28 March 1994. Mill, mill house.

Lower Calbourne Mill

WRENN ID
half-dormer-wagtail
Grade
II
Local Planning Authority
Isle of Wight
Constituency
Isle of Wight West MP: Richard Quigley (Lab)
Country
England
Date first listed
28 March 1994
Type
Mill, mill house
Address
Lower Calbourne Mill, Quarry Lane, Newtown and Porchfield
OS grid reference
SZ 413 878
Coordinates
50.68872, -1.41534
Source
Historic England listing

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

Description

Lower Calbourne Mill is a mill and mill house from the 18th century that was altered and possibly heightened around 1890. It is constructed of coursed stone rubble with brick dressings and features a slate roof with one brick chimneystack. The building has two storeys and four windows, which include cambered sashes or casements with red brick dressings. The gable ends are supported by kneelers. The original mill wheel has been replaced by a steam turbine from the 1920s, and there are two pairs of millstones. An attached bakery includes a large bread oven. At the time of the survey in 1988, the mill was still operational for making flour.

Local climate

Lower Calbourne Mill receives an average of 870 mm of rain a year. This makes it wetter than 62% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.

It experiences an average of 6 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 3 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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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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