Well of Saint Mawes or Saint Mauditus is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 30 May 1967. Holy well.
Well of Saint Mawes or Saint Mauditus
- WRENN ID
- south-bracket-brook
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- Truro and Falmouth MP: Jayne Kirkham (Lab)
- Country
- England
- Date first listed
- 30 May 1967
- Type
- Holy well
- Address
- Well of Saint Mawes or Saint Mauditus, Commercial Road, St. Just-In-Roseland
- OS grid reference
- SW 847 331
- Coordinates
- 50.15878, -5.01548
- Source
- Historic England listing
Description
The Well of Saint Mawes, also known as Saint Mauditus, is a holy well located in St Just in Roseland. It dates back to the medieval period, with some restoration work completed in 1939. The structure is made of slatestone rubble and features an east-facing pointed doorway. This doorway has chamfered arch stones above rubble jambs and a rubble relieving arch. The oak door, fitted in 1939, is adorned with a carved figure of Saint Mawes. The interior has not been inspected. To the right, there is a coped rubble ramp that connects to a herringbone coursed rubble retaining wall at the back. The nearby holy well cottage may be built on the foundations of a medieval chapel.
Local climate
Well of Saint Mawes or Saint Mauditus receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.
It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% 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.
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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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