Watermill is a Grade II listed building in the West Suffolk local planning authority area, England. First listed on 14 December 1983. A C18 Watermill.
Watermill
- WRENN ID
- dreaming-wicket-linden
- Grade
- II
- Local Planning Authority
- West Suffolk
- Constituency
- Bury St Edmunds and Stowmarket MP: Dr Peter Prinsley (Lab)
- Country
- England
- Date first listed
- 14 December 1983
- Type
- Watermill
- Address
- Watermill, Sapiston
- OS grid reference
- TL 919 743
- Coordinates
- 52.33379, 0.81547
- Source
- Historic England listing
Description
This is a disused watermill from the 18th century. The building features a red brick ground storey, with timber framing and weatherboarding above, topped by a slate roof. There are ventilating louvres in the east gable and a former lucam on the west gable. The mill has three floors and retains its main milling machinery, along with much auxiliary machinery, all in good condition.
On the ground floor, there is an internal undershot waterwheel that is 16 feet in diameter, made of cast iron and mounted on an iron shaft. The control mechanisms for the two sluices are intact. A wooden clasp-arm spurwheel meshes with three cast-iron stone nuts that drive the millstones. On the stone floor, there are three pairs of underdriven French burr stones, complete with their furniture. Above the stones, a wooden clasp-arm crown-wheel meshes with three iron gears, which drive layshafts to power the auxiliary machinery. The upright shaft features several carved inscriptions, with the earliest dating back to 1832.
Additionally, there is a Boby grain cleaner that is fed from bins above and an elevator that returns the cleaned grain to the upper floor. On the bin floor, a 25-foot long flour dresser is fed by an Armfield shaker via an elevator. The sack hoist, bins, and other partitions are all in good order.
Local climate
Watermill sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 86% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 95% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 53% 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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