St Ruan's Well is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 10 July 1957. Holy well.
St Ruan's Well
- WRENN ID
- under-sentry-wind
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Ives MP: Andrew George (LD)
- Country
- England
- Date first listed
- 10 July 1957
- Type
- Holy well
- Address
- St Ruan's Well, Grade-Ruan
- OS grid reference
- SW 715 146
- Coordinates
- 49.98833, -5.18893
- Source
- Historic England listing
Description
St Ruan's Well is a holy well with lead housing dating from around the 15th century. It was restored in the mid-19th century. The structure is built of rubble stone with stone quoins around the opening. It features a round arched opening in the gable end beneath a shallow pitched roof made of corbelled rubble stone. Inside, there is a barrel vault with an empty niche below a four-centred arch in the back wall, along with a rectangular opening to the well. An engraving of the well before its restoration can be found in C. A. Johns' "A Week at the Lizard."
Local climate
St Ruan's Well 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 95% of listed buildings.
It experiences an average of 1 freeze-thaw cycle a year, fewer than 99% 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 0.2°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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