Air Raid Siren is a Grade II listed building in the Trafford local planning authority area, England. First listed on 24 November 2021. Siren.
Air Raid Siren
- WRENN ID
- cold-merlon-winter
- Grade
- II
- Local Planning Authority
- Trafford
- Constituency
- Altrincham and Sale West MP: Mr Connor Rand (Lab)
- Country
- England
- Date first listed
- 24 November 2021
- Type
- Siren
- Address
- Air Raid Siren, Cecil Road, Hale, Altrincham, WA15 9NX
- OS grid reference
- SJ 770 865
- Coordinates
- 53.37565, -2.34651
- Source
- Historic England listing
Description
The Air Raid Siren, built in 1938, is a notable structure featuring a tubular steel post that supports an electrically driven siren. It is located within a small rectangular enclosure formed by a chain-link fence on concrete posts, next to the site of a former fire station. The post stands approximately 10.7 meters high and has an electrical supply cable along with a junction box attached to its exterior.
The siren consists of a central steel housing mounted on a steel base plate, containing an electrical armature motor with a central shaft. At each end of the shaft, there is a steel fan enclosed within a circular case that has multiple stator sound vents with flaps. The fan blades are connected to a rotating hooped rotor vent featuring several rectangular stator vents.
At the base of the pole, there is a small rectangular brick-built equipment cabinet from the General Post Office, which has a concrete slab roof and is secured by a pair of timber doors. This cabinet houses a 3-phase (440 volts) Air Raid Siren Control Unit.
Local climate
Air Raid Siren sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 73% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 21 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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