Mill Of Bonnyton is a Grade B listed building in the Aberdeenshire local planning authority area, Scotland. First listed on 11 September 1984. Meal mill.

Mill Of Bonnyton

WRENN ID
forgotten-rafter-torch
Grade
B
Local Planning Authority
Aberdeenshire
Constituency
Gordon and Buchan MP: Harriet Cross (Con)
Country
Scotland
Date first listed
11 September 1984
Type
Meal mill
OS grid reference
NJ 683 293
Coordinates
57.35335, -2.52839
Source
Historic Environment Scotland listing

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

Description

The Mill of Bonnyton is an early 19th century meal mill featuring a two-storey and attic L-plan design built into the bank. It is constructed from squared, pinned granite rubble. A notable feature is the single frame 6-spoke mid-breast iron wheel, which is dated "1835 Grandholm Foundry" and located in the west gable. There is a gabled loft entrance opening to the bank on the north side, and a small lean-to on the south side next to two doors and windows. The mill has straight skews, a slate roof, and a chimney over the kiln, which was temporarily removed in 1984. Inside, the mill still retains two pairs of meal stones, an oat bruiser, a pearl barley machine, and a drying kiln.

Local climate

Mill Of Bonnyton receives an average of 870 mm of rain a year. This makes it wetter than 62% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 99% of listed buildings.

It experiences an average of 56 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 38 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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