Castle Millford Mill is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 11 January 1989. Grist mill.
Castle Millford Mill
- WRENN ID
- swift-roof-lake
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- North Cornwall MP: Ben Maguire (LD)
- Country
- England
- Date first listed
- 11 January 1989
- Type
- Grist mill
- Address
- Castle Millford Mill, Tremaine
- OS grid reference
- SX 227 915
- Coordinates
- 50.69688, -4.5106
- Source
- Historic England listing
Description
Castle Millford Mill is a grist mill, likely from the 18th century, situated on an earlier site. The structure is built of stone rubble and has a slate roof that has been replaced with corrugated asbestos. The mill has a rectangular plan and features the remains of a breast-shot wheel on the left-hand side wall, which operated two pairs of millstones.
The building is one storey high with a loft and has a 19th-century plank door at the front. The remains of the hybrid breast-shot wheel are on the left side, although the timber paddles are now missing. The right side of the mill is attached to the millhouse.
Inside, the machinery appears to be largely complete, except for one millstone. The timber hurst frame is intact, but the machinery was partly obscured by logs, preventing a full inspection.
Local climate
Castle Millford Mill sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% 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 0.3°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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