Hockley Mill is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 27 November 1984. Mill, barn. 2 related planning applications.
Hockley Mill
- WRENN ID
- low-banister-bittern
- Grade
- II
- Local Planning Authority
- South Downs National Park
- Constituency
- Winchester MP: Dr Danny Chambers (LD)
- Country
- England
- Date first listed
- 27 November 1984
- Type
- Mill, barn
- Address
- Hockley Mill, A333, Twyford, Winchester, SO21 1NT
- OS grid reference
- SU 480 256
- Coordinates
- 51.02837, -1.31601
- Source
- Historic England listing
Description
Hockley Mill is a late 19th-century mill and attached barn. The building is constructed of brick with an old plain tile roof. The barn is seven bays long. Attached to the third bay from one end is a two-bay mill. On the barn’s side, ventilation slits are arranged in patterns. A double door is positioned within a segmental-headed opening in the third bay from the other end. A lean-to structure is attached to the side beyond the mill. The mill features two or three-light segmental-headed casements in each bay, with a boarded opening above the end bay, and a door above the inner bay. A stable door is located below the door, beside the barn. A mill stream runs under the end bay. The barn has a half-hipped roof. Inside the barn is a queen strut roof. The mill interior contains a complete working undershot water wheel, which is disconnected from the rest of the machinery and the millstones.
Local climate
Hockley Mill receives an average of 810 mm of rain a year. This makes it drier than 51% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 50% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 12 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 — 18 transactions since 1996
- Related listed building consents — 2 applications
- 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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