Gun Emplacement on S side of Mumbles Lighthouse is a Grade II listed building in the Swansea local planning authority area, Wales. First listed on 29 October 1999. Gun emplacement.

Gun Emplacement on S side of Mumbles Lighthouse

WRENN ID
wild-quoin-winter
Grade
II
Local Planning Authority
Swansea
Constituency
Gower MP: Tonia Antoniazzi (Lab)
Country
Wales
Date first listed
29 October 1999
Type
Gun emplacement
Address
Gun Emplacement on S side of Mumbles Lighthouse, Mumbles Head, SA3 4JT
OS grid reference
SS 634 871
Coordinates
51.56661, -3.97096
Source
Cadw listing

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

Description

This is a reinforced concrete gun emplacement located on the south side of Mumbles Lighthouse. It sits on a levelled concrete platform and features a felt-covered flat roof. There is a doorway on the east side that has hinges for double doors. The front of the structure, which faces the sea, is rounded and includes an opening that spans the full width, allowing for a 180-degree turn of the gun. Inside, there are fragmentary remains of the gun's base and a single steel cross beam that supports the roof.

Local climate

Gun Emplacement on S side of Mumbles Lighthouse sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 14 freeze-thaw cycles a year, fewer than 87% of listed buildings. Of these, 5 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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