The Old Windmill is a Grade II listed building in the North Devon local planning authority area, England. First listed on 29 May 1986. Windmill.

The Old Windmill

WRENN ID
veiled-pewter-storm
Grade
II
Local Planning Authority
North Devon
Constituency
North Devon MP: Ian Roome (LD)
Country
England
Date first listed
29 May 1986
Type
Windmill
Address
The Old Windmill, Rectory Lane, Instow
OS grid reference
SS 480 310
Coordinates
51.05889, -4.16893
Source
Historic England listing

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

Description

The Old Windmill is a Grade II listed structure located on Rectory Lane in Instow. It is possibly from the 17th century and is constructed of finely dressed stone rubble. The windmill is roofless and circular in shape, with walls that have been reduced in height to approximately 4 meters. The walls feature putlog holes at spaced intervals, and large openings provide a commanding view of the estuary, suggesting that the windmill may have served as a navigational aid.

Local climate

The Old Windmill sits in a wetter-than-average part of the UK, with an average of 1,050 mm of rain a year. This makes it wetter than 84% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% of listed buildings. Of these, 2 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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