Truthwall Mill is a Grade II listed building in the Cornwall local planning authority area, England. Mill.
Truthwall Mill
- WRENN ID
- other-bonework-marsh
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Ives MP: Andrew George (LD)
- Country
- England
- Type
- Mill
- Address
- Truthwall Mill, Rosepeath Lane, Ludgvan
- OS grid reference
- SW 524 323
- Coordinates
- 50.13947, -5.4661
- Source
- Historic England listing
Description
Truthwall Mill is a mill with an attached millhouse, dating from 1687, although it may have been resited, with origins likely from the late 18th century or early 19th century. The building features painted rubble walls with granite dressings, incorporating some reused masonry from the 17th century. It has a grouted scantle slate roof over three storeys on the right side, while the left side has an asbestos slate roof. The gable ends are complemented by brick chimneys, one over the left gable end and another over a cross wall. At the rear, there is a cast-iron ogee gutter.
The layout includes a two-storey, two-room former miller's cottage on the far left and a large three-storey rectangular mill with an integral millhouse on the right. A rubble-walled ramp at the right end leads to a first-floor loading doorway, although the machinery has been removed.
The exterior features a symmetrical six-window south front, with the cottage on the left having a two-storey, two-window arrangement and a central doorway. The mill and millhouse on the right have a four-window, three-storey front. The cottage's openings are unaltered, while most openings of the mill and millhouse are original, featuring late 19th-century or later horned sash windows and 20th-century doors. The millhouse has a symmetrical two-window front with a central doorway, while the mill has a doorway at the far left and another doorway cut into a former window opening at the far right, along with a blocked first-floor loading doorway. The interior has not been inspected.
Local climate
Truthwall Mill receives an average of 910 mm of rain a year. This makes it wetter than 68% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 1 follows 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2023
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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