Grand Union Canal Northampton Arm Drawbridge, Immediately North of Lock Number 13 at Sp 725 574 is a Grade II listed building in the West Northamptonshire local planning authority area, England. First listed on 30 June 1993. Drawbridge.

Grand Union Canal Northampton Arm Drawbridge, Immediately North of Lock Number 13 at Sp 725 574

WRENN ID
old-merlon-heron
Grade
II
Local Planning Authority
West Northamptonshire
Constituency
Northampton South MP: Mike Reader (Lab)
Country
England
Date first listed
30 June 1993
Type
Drawbridge
Address
Grand Union Canal Northampton Arm Drawbridge, Immediately North of Lock Number 13 at Sp 725 574, Hunsbury Meadows
OS grid reference
SP 726 574
Coordinates
52.21052, -0.93856
Source
Historic England listing

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

Description

The Grand Union Canal Northampton Arm Drawbridge, located immediately north of Lock Number 13, was built between 1812 and 1815 and has undergone restorations in the 19th and 20th centuries. It features brick abutments that support a pivoting wooden deck, which has a handrail on one side. The deck is suspended by chains from two balance beams that pivot on upright posts. These beams serve as counterweights, allowing the deck to be raised or lowered across the narrow section below Lock Number 13. This drawbridge is one of only two remaining on the Northampton Arm, making it a rare example of this type of canal structure in England. It holds significant historical value and is part of the group of structures associated with the Northampton flight of locks.

Local climate

Grand Union Canal Northampton Arm Drawbridge, Immediately North of Lock Number 13 at Sp 725 574 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.

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Nearby listed buildings

  1. Grand Union Canal Northampton Arm Lock Number 13 at Sp 725 574 Grade II 23 m
  2. Lock Number 12 on Northampton Arm of Grand Union Canal Grade II 303 m
  3. Lock Number 11 on Northampton Arm of Grand Union Canal Grade II 451 m
  4. Lock Number 10 on Northampton Arm of Grand Union Canal Grade II 539 m
  5. Lock Number 9 Grade II 653 m
  6. Lock No.8 on Northampton Arm of Grand Union Canal Grade II 755 m
  7. Lock Number 7 on Northampton Arm of Grand Union Canal Grade II 839 m
  8. Lock Number 6 on Northampton Arm of Grand Union Canal Grade II 930 m
  9. East Barn, The Lodge Grade II 948 m
  10. West Barn, The Lodge Grade II 981 m