Millstones the Old Mill House is a Grade II listed building in the Dorset local planning authority area, England. First listed on 26 June 1952. House.

Millstones the Old Mill House

WRENN ID
plain-bailey-peregrine
Grade
II
Local Planning Authority
Dorset
Constituency
South Dorset MP: Lloyd Hatton (Lab)
Country
England
Date first listed
26 June 1952
Type
House
Address
Millstones the Old Mill House, 35, Church Hill, Swanage
OS grid reference
SZ 026 788
Coordinates
50.60893, -1.96375
Source
Historic England listing

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

Description

The Old Mill House, also known as Millstones, is a Grade II listed building located on Church Hill. It features a datestone that reads "Ben Barlow Mill Wright of Southampton fecit 1754," although the building may date back to an earlier period. Currently, it is divided into two houses, with Millstones occupying the ground and first floors of the original machinery area. The structure is built with Purbeck Stone walls and roof and consists of two storeys and attics. It has a mix of casement windows and horizontally sliding sash windows, along with one dormer in the attic that has a hipped roof.

Inside The Old Mill House, the main ground and first floor rooms showcase exposed beams and joists. At the north end of the building, there is a blocked window that may be of medieval origin. In the attic above Millstones, remnants of grain hoppers and part of the sack hoist can still be seen. To the east of Millstones, the mill race and traces of the original wheel are present, which was replaced by a water turbine in the early 20th century, with some parts still surviving. The garden includes stone outbuildings, such as an open lean-to on stone piers, likely used as a cattle shelter, and a solid stone building that was formerly a donkey house.

Local climate

Millstones the Old Mill House receives an average of 820 mm of rain a year. This makes it wetter than 51% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.

It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% of listed buildings. Of these, 3 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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  5. Boundary Wall and Tombstones in Detached Section of Churchyard of the Parish Church Grade II 94 m
  6. The Old Rectory and Swanwic House the Old Rectory Under Kings Road Grade II 95 m
  7. Camden House Grade II 98 m
  8. The Ark Grade II 100 m
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  10. 6, Church Hill Grade II 108 m