Grotto about 40 metres west of Water Meadow is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 28 August 1987. Grotto.
Grotto about 40 metres west of Water Meadow
- WRENN ID
- fallen-flagstone-clover
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- South East Cornwall MP: Anna Gelderd (Lab)
- Country
- England
- Date first listed
- 28 August 1987
- Type
- Grotto
- OS grid reference
- SX 051 582
- Coordinates
- 50.39182, -4.74315
- Source
- Historic England listing
Description
The grotto, located about 40 metres west of Water Meadow, dates from around 1780 and is constructed of granite with shell decoration. It features a round narrow arch with a keystone and voussoirs, and the jambs on either side are faced with black volcanic pebbles and shells. Inside, the grotto has squared granite walls, with the rear wall displaying a rounded arch and a star pattern made of shells, although not all shells are intact. There is a pool at the floor of the grotto, fed by a spring. To the right side, a flight of eight granite steps leads up, and the grotto is built into a bank. This structure was once part of the Vicarage garden, now known as King's Acre, which is a separate property from Water Meadow. Its style is similar to the Shell Seat at Mount Edgcumbe Country Park.
Local climate
Grotto about 40 metres west of Water Meadow sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% 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 0.2°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.
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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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