Lametton Mill is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 26 November 1985. Water mill. 2 related planning applications.
Lametton Mill
- WRENN ID
- errant-latch-elm
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- South East Cornwall MP: Anna Gelderd (Lab)
- Country
- England
- Date first listed
- 26 November 1985
- Type
- Water mill
- Address
- Lametton Mill, St. Keyne and Trewidland, PL14 4SH
- OS grid reference
- SX 250 609
- Coordinates
- 50.42272, -4.46436
- Source
- Historic England listing
Description
Lametton Mill is a water mill, dating to around the late 18th century, built on an earlier site. It is now used as a store. The building is constructed of rubblestone, with slate cladding on the upper portion of the left-hand gable end and the entire right-hand gable end. The mill has three storeys at the front, and two storeys at the rear, with a three-window front facade. The central ground floor doorway has a reused wide, chamfered granite segmental arch and jambs with stops, and contains double plank doors. To the left of the doorway is a two-light opening with a chamfered timber lintel. The first floor window on the left is set within a partially blocked doorway. A 19th-century two-light casement with glazing bars and timber shutters is below, and a four-pane casement with timber shutters has been inserted into a door opening on the right. There are no windows on the second floor of the front. Originally an overshot water wheel was located on the right-hand gable end; this has been removed, but the mill leat and launder remain. The interior has not been inspected, but the owner reports that the machinery has been removed.
Local climate
Lametton Mill sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 82% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.
It experiences an average of 9 freeze-thaw cycles a year, fewer than 92% 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2018
- Related listed building consents — 2 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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