South Walsham Mill is a Grade II listed building in the The Broads Authority local planning authority area, England. First listed on 26 February 1987. Windpump.
South Walsham Mill
- WRENN ID
- eternal-postern-summer
- Grade
- II
- Local Planning Authority
- The Broads Authority
- Constituency
- Broadland and Fakenham MP: Jerome Mayhew (Con)
- Country
- England
- Date first listed
- 26 February 1987
- Type
- Windpump
- Address
- South Walsham Mill, Halvergate, Broadland
- OS grid reference
- TG 462 072
- Coordinates
- 52.60717, 1.63549
- Source
- Historic England listing
Description
South Walsham Mill is a mid-19th century windpump located in the Halvergate South Walsham Marshes area. It features a tarred brick tower with a boat-shaped, weather-boarded cap that is protected by corrugated iron sheets. The tower is circular and tapers over three storeys. On the ground floor, there are two opposing boarded doors, while the first floor has two windows, and the cap floor also has two windows, all set under segmental brick arches. The mill retains remnants of its stock and sails, along with a cap frame, gallery bearers, and an iron gallery rail. It includes a fan stage, fan frame, and machinery. Inside, the machinery in the cap and tower is connected to the remains of a scoop wheel and a weatherboarded hoodway. The cast iron sheer extensions are notable as one of only two remaining examples within the Norfolk Broads.
Local climate
South Walsham Mill receives an average of 770 mm of rain a year. This makes it drier than 65% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 71% of listed buildings.
It experiences an average of 8 freeze-thaw cycles a year, fewer than 93% of listed buildings. Of these, 5 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.
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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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