The Old Windmill is a Grade II* listed building in the Merton local planning authority area, England. First listed on 1 June 1949. Windmill. 7 related planning applications.
The Old Windmill
- WRENN ID
- mired-mantel-solstice
- Grade
- II*
- Local Planning Authority
- Merton
- Constituency
- Wimbledon MP: Mr Paul Kohler (LD)
- Country
- England
- Date first listed
- 1 June 1949
- Type
- Windmill
- Address
- The Old Windmill, Windmill Road Sw19, SW19 5NR
- OS grid reference
- TQ 230 724
- Coordinates
- 51.43765, -0.2316
- Source
- Historic England listing
Description
The Old Windmill is a substantial brick windmill dating from 1817 to 1818, with alterations made in 1893. Originally a hollow post mill, the post was removed in 1893 and replaced with a conical tower, which was heightened at that time. The windmill features an eight-sided tower that flares towards its base, supporting a weatherboarded body with a pointed arched top, and originally had four sails. The brickwork of the round house was painted and the structure faced in brick during the 1860s, when it was converted into cottages. The windmill retains its machinery, which was restored in the late 20th century.
Local climate
The Old 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 82% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 81% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 54% of listed buildings. Of these, 15 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 — 2 transactions since 2000
- Related listed building consents — 7 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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