Birmingham Canal No 20 Lock is a Grade II listed building in the Wolverhampton local planning authority area, England. First listed on 31 March 1992. Canal lock. 1 related planning application.

Birmingham Canal No 20 Lock

WRENN ID
slow-finial-coral
Grade
II
Local Planning Authority
Wolverhampton
Constituency
Wolverhampton West MP: Warinder Juss (Lab)
Country
England
Date first listed
31 March 1992
Type
Canal lock
Address
Birmingham Canal No 20 Lock, City of Wolverhampton
OS grid reference
SJ 904 010
Coordinates
52.60729, -2.14309
Source
Historic England listing

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

Description

Birmingham Canal No 20 Lock is a lock built in 1772, with alterations made around 1785 and restored in the 1980s. It was designed by engineers James Brindley, R. Whitworth, and S. Simcock. The structure is made of brick and features stone coping. The lock includes a single lower gate and an upper gate, along with an overflow channel to the south. It is part of a flight of 21 locks on the Birmingham Canal at the Wolverhampton level.

Local climate

Birmingham Canal No 20 Lock receives an average of 800 mm of rain a year. This makes it drier than 54% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 74% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 69% of listed buildings. Of these, 19 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
  • 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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