Gwennap Pit is a Grade II* listed building in the Cornwall local planning authority area, England. Meeting place.
Gwennap Pit
- WRENN ID
- peeling-clay-river
- Grade
- II*
- Local Planning Authority
- Cornwall
- Constituency
- Camborne and Redruth MP: Perran Moon (Lab)
- Country
- England
- Type
- Meeting place
- Address
- Gwennap Pit, St. Day
- OS grid reference
- SW 717 417
- Coordinates
- 50.23166, -5.20234
- Source
- Historic England listing
Description
Gwennap Pit is a Methodist open air meeting place located in St Day, constructed in 1762 and remodelled in 1806. This conical pit was formed from a collapsed mine shaft, where John Wesley preached in 1762. The pit was reduced in size during the 1806 remodel to a circumference of 360 feet and a depth of 16 feet, featuring 13 circles of tufted seating made from random rubble. On the west side, there is a flight of segmental steps integrated into the terraces. To the north, around the fourth step down, stands a pair of stone posts with a rectangular boulder between them, which likely served as the "pulpit." Gwennap Pit was used for Whit Monday services annually from 1807 until 1966.
Local climate
Gwennap Pit 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 greater than that of 86% of listed buildings.
It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% of listed buildings. Of these, 2 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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