Mumbles Battery is a Grade II listed building in the Swansea local planning authority area, Wales. First listed on 29 October 1999. Battery.

Mumbles Battery

WRENN ID
gaunt-mortar-furze
Grade
II
Local Planning Authority
Swansea
Constituency
Gower MP: Tonia Antoniazzi (Lab)
Country
Wales
Date first listed
29 October 1999
Type
Battery
Address
Mumbles Battery, Mumbles Head
OS grid reference
SS 634 871
Coordinates
51.56682, -3.97092
Source
Cadw listing

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

Description

Mumbles Battery is a structure built from coursed, rock-faced stone and features flat roofs that support solar module arrays. Attached to the base of the lighthouse and the battery are modern blockwork walls. The battery has a curved design and includes outer gun turrets. In the center of the inner face, there is a doorway with stepped voussoirs leading to a segmental head, above which are the initials VR and a date. The battery has several blocked windows, retains stepped lights for the stairs, and features angled corner windows on the upper stage.

Inside, the battery has vaulted ceilings but is now used for service accommodation for the lighthouse.

Local climate

Mumbles Battery 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.

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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