Cobstone Windmill is a Grade II listed building in the Buckinghamshire local planning authority area, England. First listed on 21 June 1955. Former windmill, house. 1 related planning application.
Cobstone Windmill
- WRENN ID
- hushed-pilaster-pearl
- Grade
- II
- Local Planning Authority
- Buckinghamshire
- Constituency
- Wycombe MP: Emma Reynolds (Lab)
- Country
- England
- Date first listed
- 21 June 1955
- Type
- Former windmill, house
- Address
- Cobstone Windmill, Ibstone, HP14 3YB
- OS grid reference
- SU 769 914
- Coordinates
- 51.61704, -0.88957
- Source
- Historic England listing
Description
Cobstone Windmill is a late 18th- and early 19th-century smock mill that has been restored and converted into a house, likely around 1975 for Hayley Mills. The building has a blackened brick ground floor, with a timber frame and weatherboard cladding above. The upper section features a scalloped wooden frieze at the base of the ogee lead roof, which is topped with a finial. The mill is 12-sided and has three storeys; three sides feature paired, renewed 20th-century barred wooden casements. Ground-floor casements have cambered heads, while those above are sheltered by board hoods. There are two half-glazed doors. The mill is equipped with four wooden sails and a fantail, which includes a small platform. The interior retains some original machinery. The windmill serves as a prominent landmark.
Local climate
Cobstone Windmill sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 83% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 84% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 69% of listed buildings. Of these, 16 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2025
- Related listed building consents — 1 application
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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