Milton Mill is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 24 October 1974. Bank.

Milton Mill

WRENN ID
crooked-railing-moth
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
24 October 1974
Type
Bank
Address
Milton Mill, Michaelchurch-On-Arrow, Gladestry
OS grid reference
SO 239 508
Coordinates
52.15106, -3.1126
Source
Cadw listing

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

Description

Milton Mill is an L-plan building that consists of two main phases, dating from the mid-18th century and probably the later 18th or early 19th century, with the earlier section positioned upslope. It is accompanied by modern garage and conservatory structures. The mill is constructed from rubble stone and features a slate hipped roof, with a rubble corner stack to the northeast and modern small paned windows.

The wheel pit, which is overgrown, contains remnants of two cast iron wheels. The original overshot wheel was supplied with water from a mill pond via a launder, with the leat running to the southwest. The header box has been removed, and a stone wall has been built to block the mill pond. Only the shrouds of the second wheel remain, lying loose in the pit.

The property has been modernised, but the living accommodation is arranged around the surviving machinery of the mill. Original stone wall partitions and floor beams are present, and on the lower floors, there is the hursting for the two sets of machinery. In the upper range, there is an iron pitwheel with fruitwood teeth, an iron wallower, an all-iron great spur, a wooden upright shaft, and two iron-stone nuts with wooden teeth. One set of stones remains in its tun, but only the bedstone of the second pair is left. On the first floor, there is a wooden crown wheel with morticed spokes and an iron band, a wooden lay shaft with a fast and loose pulley, and on the upper floor, the pulley wheel and control levers for the sack hoist. Only the iron pitwheel and parts of the hursting survive from the workings of the lower range.

Local climate

Milton Mill receives an average of 890 mm of rain a year. This makes it wetter than 66% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 54% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 28 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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