Locks 1 and 2 Grand Union Canal Aylesbury Arm is a Grade II listed building in the Buckinghamshire local planning authority area, England. First listed on 15 October 1984. Lock.
Locks 1 and 2 Grand Union Canal Aylesbury Arm
- WRENN ID
- silent-courtyard-starling
- Grade
- II
- Local Planning Authority
- Buckinghamshire
- Constituency
- Aylesbury MP: Laura Kyrke-Smith (Lab)
- Country
- England
- Date first listed
- 15 October 1984
- Type
- Lock
- Address
- Locks 1 and 2 Grand Union Canal Aylesbury Arm, Marsworth
- OS grid reference
- SP 917 144
- Coordinates
- 51.82073, -0.67068
- Source
- Historic England listing
Description
Locks 1 and 2 on the Grand Union Canal Aylesbury Arm are a narrow double lock built between 1811 and 1814. They feature brick retaining walls, with the lower lock having brick coping and the upper lock having stone coping. On the north side, there are two flights of brick steps. The eastern end of the upper lock includes a single gate with a sluice, winding gear, and quoins that are dated 1878. There are also two additional pairs of narrow gates with sluices, with the central gates having quoins dated 18??6. The site is marked by five cast iron bollards.
Local climate
Locks 1 and 2 Grand Union Canal Aylesbury Arm sits in a drier-than-average part of the UK, with an average of 740 mm of rain a year. This makes it drier than 76% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 81% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 69% 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
- No related consent applications matched
- 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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