Lock 31 Grand Union Canal is a Grade II listed building in the Buckinghamshire local planning authority area, England. First listed on 15 October 1984. Canal lock.

Lock 31 Grand Union Canal

WRENN ID
fallow-solder-reed
Grade
II
Local Planning Authority
Buckinghamshire
Constituency
Aylesbury MP: Laura Kyrke-Smith (Lab)
Country
England
Date first listed
15 October 1984
Type
Canal lock
Address
Lock 31 Grand Union Canal, Ivinghoe
OS grid reference
SP 931 195
Coordinates
51.86661, -0.64862
Source
Historic England listing

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

Description

Lock 31 on the Grand Union Canal is a canal lock built around 1800, with some later alterations. It features brick retaining walls topped with stone coping. The lock has two pairs of gates equipped with sluices and winding gear, with the quoins dated 1862 and 1867. At the northern end, there are brick steps, and two cast iron bollards are present. Additionally, there are two side ponds that include sluices and winding gear, which are dated 1889.

Local climate

Lock 31 Grand Union Canal sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 77% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 79% of listed buildings.

It experiences an average of 36 freeze-thaw cycles a year, more than 64% 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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  1. Lock Keepers House at Lock 31 Grand Union Canal Grade II 17 m
  2. Bridge Number 121 Grand Union Canal Grade II 26 m
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  5. Horton Dene Grade II 820 m
  6. Lanthorn Cottage Grade II 912 m
  7. Bridge Number 122 Grand Union Canal Grade II 1.2 km
  8. Maltings to South East of Carpenters Arms Grade II 1.3 km
  9. Lock 33 Grand Union Canal Grade II 1.3 km
  10. Lychgate Grade II 1.3 km