Macclesfield Canal Bosley Lock Number 1 and Spillway is a Grade II listed building in the Cheshire East local planning authority area, England. First listed on 14 June 1984. Canal lock. 1 related planning application.

Macclesfield Canal Bosley Lock Number 1 and Spillway

WRENN ID
bitter-garret-aspen
Grade
II
Local Planning Authority
Cheshire East
Constituency
Macclesfield MP: Tim Roca (Lab)
Country
England
Date first listed
14 June 1984
Type
Canal lock
OS grid reference
SJ 905 669
Coordinates
53.19994, -2.14329
Source
Historic England listing

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

Description

Bosley Lock Number 1 and Spillway is a canal lock built in 1831, designed by engineer William Crosley. The lock features rusticated red gritstone walls, with ashlar stone used for the spillway and brick patching on the sides of the lock. The upper end of the lock basin is semi-circular. To the west of the lock, there is a stepped quadrant retaining wall, and a flight of stone steps is located to the east. A cambered footbridge made of cast iron spans the entrance of the lock, which has a later addition of a plain steel tubular rail. The lock is equipped with two pairs of timber gates and has curved wing walls above it, while straight walls extend below to Bridge 54. A stone-walled spillway is situated to the west of the lock.

Local climate

Macclesfield Canal Bosley Lock Number 1 and Spillway sits in a wetter-than-average part of the UK, with an average of 1,000 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 65% of listed buildings.

It experiences an average of 49 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 28 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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