Great Wheal Prosper China Clay Works is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 28 August 1987. Industrial.
Great Wheal Prosper China Clay Works
- WRENN ID
- steep-spandrel-merlin
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Austell and Newquay MP: Noah Law (Lab)
- Country
- England
- Date first listed
- 28 August 1987
- Type
- Industrial
- Address
- Great Wheal Prosper China Clay Works, Roche
- OS grid reference
- SX 001 595
- Coordinates
- 50.40218, -4.81318
- Source
- Historic England listing
Description
Great Wheal Prosper China Clay Works is a late 19th-century china clay works constructed from granite rubble and brick. The building features a slate roof with gable ends and is a long rectangular structure that is single storey, standing on a granite plinth. It has an open front with 20th-century doors. At the west end, there is a circular chimney, approximately 4 metres in diameter at the base, made of granite rubble and tapered, with cast iron banding; the upper section is constructed from brick and includes a cornice.
To the south, there are remains of tanks with granite rubble walls about 2 metres high, with the easternmost tank still in use. A 2-storey 20th-century building is located between the eastern tanks and the drying building. Along the north side of the drying building, remnants of a railway branch line can be found, which was previously used for transporting china clay and also served the nearby Carbis Brick and Tile Works.
Local climate
Great Wheal Prosper China Clay Works receives an average of 960 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.
It experiences an average of 10 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 4 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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- No EPC on record for this property
- No sale records on file
- 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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