Garden Battery is a Grade II listed building in the North Somerset local planning authority area, England. First listed on 19 May 1983. Military structure.

Garden Battery

WRENN ID
plain-hall-cobweb
Grade
II
Local Planning Authority
North Somerset
Constituency
Weston-super-Mare MP: Dan Aldridge (Lab)
Country
England
Date first listed
19 May 1983
Type
Military structure
Address
Garden Battery, Weston-Super-Mare
OS grid reference
ST 231 606
Coordinates
51.33962, -3.10471
Source
Historic England listing

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

Description

The Garden Battery on Steepholm Island was built between 1866 and 1868 as part of the Palmerston forts, often referred to as "follies." Originally, it featured a double enclosure with two pits, but during World War II, a battery was constructed on top of pit 1. Pit 2 retains a semi-circular parapet wall made of limestone rubble on the inside, with an earth and stone bank on the outside. Notable surviving features include the racer, the remains of a cannon pivot from a George III cannon, and a displaced 7-ton 7-inch gun. For further details, see J.M. Barrett's "Maritime Forts in the Bristol Channel."

Local climate

Garden Battery sits in a wetter-than-average part of the UK, with an average of 1,090 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.

It experiences an average of 17 freeze-thaw cycles a year, fewer than 83% of listed buildings. Of these, 6 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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