Silverwell Reservoir is a Grade II listed building in the South Hams local planning authority area, England. First listed on 25 January 1990. Reservoir.
Silverwell Reservoir
- WRENN ID
- third-finial-lichen
- Grade
- II
- Local Planning Authority
- South Hams
- Constituency
- South Devon MP: Caroline Voaden (LD)
- Country
- England
- Date first listed
- 25 January 1990
- Type
- Reservoir
- Address
- Silverwell Reservoir, Brownston Street, Modbury
- OS grid reference
- SX 660 519
- Coordinates
- 50.35242, -3.88456
- Source
- Historic England listing
Description
Silverwell Reservoir is a reservoir wall built in 1705. It is constructed from granite and measures approximately 6.50 meters in length and 2.5 meters in height. The wall is made of well-squared and coursed granite, with quoins and a small chamfered plinth that is mostly hidden beneath the 20th-century road surface, although it is visible at the right end. The top of the wall is overgrown, and there is no coping visible.
The wall features two openings with cambered lintels that are chamfered to stops on the jambs. Each opening has cast iron doors that are banded and padlocked, measuring around 700 millimeters wide and 850 millimeters high, set about 1.25 meters above road level. This structure is all that remains of the reservoir created in 1705, which utilized water from the Silverwell and supplied three conduits located in the main streets. Although much of the reservoir was intact until the mid-1980s, the area has since been developed. The reservoir wall holds special historical significance.
Local climate
Silverwell Reservoir receives an average of 910 mm of rain a year. This makes it wetter than 69% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% 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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