Ventilation Station of the Mersey Road Tunnel is a Grade II listed building in the Wirral local planning authority area, England. First listed on 10 October 1980. Ventilation station. 1 related planning application.

Ventilation Station of the Mersey Road Tunnel

WRENN ID
leaning-chalk-dock
Grade
II
Local Planning Authority
Wirral
Constituency
Birkenhead MP: Alison McGovern (Lab)
Country
England
Date first listed
10 October 1980
Type
Ventilation station
Address
Ventilation Station of the Mersey Road Tunnel, Sidney Street, CH41 1BN
OS grid reference
SJ 325 892
Coordinates
53.3956, -3.01655
Source
Historic England listing

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

Description

The Ventilation Station of the Mersey Road Tunnel, built between 1925 and 1934, was designed by engineers Sir Basil Mott and J.A. Brodie, with architecture by Herbert J. Rowse. This structure features a brick-faced, steel-framed construction and is characterized by its massive twin towers. The towers are largely blind, with double doors on the south side that are flanked by three blind lancet slits. The doors are adorned with chevron bands and have architraves made of brick arranged in rippled courses, featuring central wing motifs. The towers also have ribbed brick quoins, blind lancets, and geometrical ribbed decoration near the top. This building was constructed to house fans as part of the ventilation system for the road tunnel.

Local climate

Ventilation Station of the Mersey Road Tunnel sits in a wetter-than-average part of the UK, with an average of 1,080 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 75% of listed buildings.

It experiences an average of 19 freeze-thaw cycles a year, fewer than 81% of listed buildings. Of these, 9 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
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  • Related listed building consents — 1 application
  • 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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