Lock No.8 on Northampton Arm of Grand Union Canal is a Grade II listed building in the West Northamptonshire local planning authority area, England. First listed on 9 July 1987. Lock. 1 related planning application.

Lock No.8 on Northampton Arm of Grand Union Canal

WRENN ID
south-gable-grain
Grade
II
Local Planning Authority
West Northamptonshire
Constituency
South Northamptonshire MP: Sarah Bool (Con)
Country
England
Date first listed
9 July 1987
Type
Lock
Address
Lock No.8 on Northampton Arm of Grand Union Canal, Rothersthorpe
OS grid reference
SP 725 566
Coordinates
52.20374, -0.93934
Source
Historic England listing

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

Description

Lock No. 8 on the Northampton Arm of the Grand Union Canal is a lock built around 1815, with restorations completed in 1882 and 1920. It is constructed of red brick and features metal gates. The lock is single-width, with one upper gate and two lower gates, and includes an overflow channel. This lock is part of a series of twelve locks along the Northampton Arm of the Grand Union Canal.

Local climate

Lock No.8 on Northampton Arm of Grand Union Canal sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 83% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 82% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 17 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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  5. Bridge Number 5 on Northampton Arm of Grand Union Canal Grade II 242 m
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  7. Lock Number 11 on Northampton Arm of Grand Union Canal Grade II 308 m
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  10. Lock Number 3 on Northampton Arm of Grand Union Canal Grade II 481 m