Treveal Mill is a Grade II listed building in the Cornwall local planning authority area, England. Mill.
Treveal Mill
- WRENN ID
- stranded-moulding-sage
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Ives MP: Andrew George (LD)
- Country
- England
- Type
- Mill
- Address
- Treveal Mill, Zennor
- OS grid reference
- SW 475 401
- Coordinates
- 50.2072, -5.53972
- Source
- Historic England listing
Description
Treveal Mill is a miller's house, likely built in the 17th century, with remodels in the 19th century and extensions in the 20th century. It is constructed of granite rubble with granite dressings and features a scantle slate roof with a brick chimney on the right gable end and another on the rear left corner. The building has an irregular two-room plan, with a smaller, irregularly-shaped room on the left that has very thick walls, and a deeper room on the right that projects slightly at the front. There is a 20th-century addition at the far right and behind the main structure. The exterior is two storeys high, with a slightly irregular two-window front facing northeast and an approximately central doorway. The middle and right parts of the house are built forward. The entrance has a 20th-century door, while the left side features late 19th-century four-pane horned sash windows, and the right side has later four-pane two-light casements. Inside, there is a large fireplace in the right-hand room. The mill is part of an unspoiled coastal hamlet situated within the ancient field system of this area of Cornwall.
Local climate
Treveal Mill sits in a wetter-than-average part of the UK, with an average of 970 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 1 freeze-thaw cycle a year, fewer than 99% of listed buildings. 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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