Bourn Mill is a Grade I listed building in the South Cambridgeshire local planning authority area, England. First listed on 31 August 1962. A C17 Mill.
Bourn Mill
- WRENN ID
- small-chalk-scarlet
- Grade
- I
- Local Planning Authority
- South Cambridgeshire
- Constituency
- St Neots and Mid Cambridgeshire MP: Ian Sollom (LD)
- Country
- England
- Date first listed
- 31 August 1962
- Type
- Mill
- Address
- Bourn Mill, Caxton End
- OS grid reference
- TL 311 580
- Coordinates
- 52.20467, -0.08166
- Source
- Historic England listing
Description
Bourn Mill is a post mill that dates back to the early 17th century, with restorations carried out in 1874, 1933, 1961, and 1984. The mill is timber-framed and weatherboarded, featuring a gabled roof, with some materials reused from earlier structures. It has brick piers, two cross trees, and quarter bars added in the 19th century. In 1984, marine plyboard casing and additional weatherboarding were installed by millwright C. Wallis, during which four sails and the mill ladder were removed for repair. The interior contains complete gearing, one pair of stones, and a wooden brake, along with a sack hoist that is driven by a chain from a pulley on the windshaft. The mill is noted in a deed from 1636 and was purchased by The Cambridgeshire Preservation Society in 1932. One of the studs is inscribed with the name E. Bismur and the year 1758. Bourn Mill is also designated as a Scheduled Ancient Monument.
Local climate
Bourn Mill sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 97% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 55% of listed buildings. Of these, 15 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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