Water Tower is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 16 May 1986. Water tower.

Water Tower

WRENN ID
dusk-pediment-mist
Grade
II
Local Planning Authority
Cornwall
Constituency
South East Cornwall MP: Anna Gelderd (Lab)
Country
England
Date first listed
16 May 1986
Type
Water tower
Address
Water Tower, the Butts Incline Railway Depot, Calstock
OS grid reference
SX 425 695
Coordinates
50.50454, -4.22175
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The water tower at Calstock, built around 1872, is constructed from slatestone rubble with brick dressings. It has a rectangular plan and features an open-top tank situated at the top of the tower. The structure includes a tall round arch that reaches the height of the stonework, with brick above the arch. An iron ladder is attached to the side of the tower for inspecting the tank. This water tower was originally used to supply water for the engines operating on the Mineral Railway and a portable steam engine on the incline. Even after the incline was no longer in use, the tower was maintained as part of a gravity-fed water system that supplied water to the station in Calstock.

Local climate

Water Tower sits in a wetter-than-average part of the UK, with an average of 1,000 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 81% of listed buildings.

It experiences an average of 17 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 7 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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  • 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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