The Mill is a Grade II* listed building in the South Kesteven local planning authority area, England. A Georgian Water mill and house.

The Mill

WRENN ID
peeling-finial-autumn
Grade
II*
Local Planning Authority
South Kesteven
Constituency
Grantham and Bourne MP: Gareth Davies (Con)
Country
England
Type
Water mill and house
Period
Georgian
Address
The Mill, Londonthorpe Road, Londonthorpe and Harrowby Without
OS grid reference
SK 924 380
Coordinates
52.93229, -0.6264
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Mill is a late 18th-century water mill and house located on Londonthorpe Road, also accessible from Grantham Road in Manthorpe. The building is constructed of brick and coursed rubble, topped with a pantile roof. The house is two stories high with a garret and features three bays, a stone-coped gable, and brick gable stacks. It has a stone plinth, a brick band at the first floor, and dog tooth dentilation at the eaves. The central doorway is now blocked with a 20th-century glazing bar sash, while the remaining openings have 18th-century sashes, all with segmental heads.

Adjacent to the house is a three-bay mill building that includes a granary, paddle wheel, and gear rooms, with the arrangement of the mill race and pond still intact. The mill buildings are designed with three gabled bays, the central bay being segmental. The left bay features double doors to the granary beneath a deep segmental arch, the center bay has plain double doors to the paddle wheel house with a shallow segmental arch, and the right bay has a sliding door to the gearing chamber accessed by wooden steps. Each gable has a central window at a high level, with the two on the right being casements and the one on the left a fixed light. The granary is topped with a timber and leaded cupola that houses a bell. The paddle wheel house is situated on a brick bridge. All machinery remains in situ and is in working order, including the grinding chamber located at the rear of the house.

Local climate

The Mill 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 81% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 88% of listed buildings.

It experiences an average of 36 freeze-thaw cycles a year, more than 65% of listed buildings. Of these, 18 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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