Rochdale Canal Lock 25 Smithyholme Lock is a Grade II listed building in the Calderdale local planning authority area, England. First listed on 22 February 1984. Canal lock.

Rochdale Canal Lock 25 Smithyholme Lock

WRENN ID
tenth-foundation-grain
Grade
II
Local Planning Authority
Calderdale
Constituency
Calder Valley MP: Josh Fenton-Glynn (Lab)
Country
England
Date first listed
22 February 1984
Type
Canal lock
Address
Rochdale Canal Lock 25 Smithyholme Lock, Todmorden
OS grid reference
SD 931 226
Coordinates
53.70037, -2.10534
Source
Historic England listing

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

Description

Smithyholme Lock, also known as Lock 25 on the Rochdale Canal, was built in 1798. It features large dressed stone cappings and rebates for gates. The chamber is lined with brick, using English bond with blue brick headers.

Local climate

Rochdale Canal Lock 25 Smithyholme Lock sits in a wetter-than-average part of the UK, with an average of 1,130 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.

It experiences an average of 57 freeze-thaw cycles a year, more than 97% of listed buildings. Of these, 34 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
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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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