Wilton Windmill is a Grade II* listed building in the Wiltshire local planning authority area, England. First listed on 30 July 1986. Windmill.
Wilton Windmill
- WRENN ID
- burning-ashlar-shade
- Grade
- II*
- Local Planning Authority
- Wiltshire
- Constituency
- East Wiltshire MP: Danny Kruger (RUK)
- Country
- England
- Date first listed
- 30 July 1986
- Type
- Windmill
- Address
- Wilton Windmill, Grafton
- OS grid reference
- SU 275 616
- Coordinates
- 51.35299, -1.60554
- Source
- Historic England listing
Description
Wilton Windmill is a Grade II* tower mill built in 1821, likely by or for J. Gale. It was restored between 1971 and 1976. The windmill features header bond brickwork and a rivetted sheet aluminium hemispherical cap. It stands five storeys tall and has a braced timber gallery that replaced the original roundhouse during the restoration. The ground floor includes opposed doors and timber round-headed windows throughout. The windmill is equipped with two common sails and two patent sails, the latter having 21 shades and leading boards. It has an iron spider and a six-blade fantail with an external worm and cograck. The striking gear and chain set are located below the fantail frame.
Inside, there is an iron vertical shaft, a brake wheel, and a spur wheel, with the brake wheel featuring hardwood cogs. It also has a band brake and two pairs of underdriven stones, one pair of French burrs, and one pair of greys. There is a separate bevel gear drive for the sack hoist and a lay shaft for the wire machine on the first floor. The windmill includes manual stone lifting gear. All sails and machinery have been restored and are in working order, making it the only complete windmill in Wiltshire and possibly located on the site of an earlier post mill.
Local climate
Wilton Windmill receives an average of 780 mm of rain a year. This makes it drier than 62% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 53% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 17 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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