Sandford Lock, Including Lock Gates, Chelmer and Blackwater Navigation is a Grade II listed building in the Chelmsford local planning authority area, England. First listed on 13 July 1988. Lock.
Sandford Lock, Including Lock Gates, Chelmer and Blackwater Navigation
- WRENN ID
- frozen-grate-smoke
- Grade
- II
- Local Planning Authority
- Chelmsford
- Constituency
- Chelmsford MP: Marie Goldman (LD)
- Country
- England
- Date first listed
- 13 July 1988
- Type
- Lock
- Address
- Sandford Lock, Including Lock Gates, Chelmer and Blackwater Navigation, Brook End Road
- OS grid reference
- TL 739 063
- Coordinates
- 51.72849, 0.51764
- Source
- Historic England listing
Description
Sandford Lock, including lock gates, is located on the Chelmer and Blackwater Navigation and dates from around 1797. The engineer was John Rennie, with supervision by Richard Coates. The structure is built of red brick in English bond and features large granite coping stones and quoins. The wooden lock gates are equipped with iron hooks, chains, and winding gear. To the south of the lock stood Sandford Mill, which was used to grind waterborne wheat. This lock is one of the original twelve locks on the navigation.
Local climate
Sandford Lock, Including Lock Gates, Chelmer and Blackwater Navigation sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 98% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 76% of listed buildings.
It experiences an average of 24 freeze-thaw cycles a year, fewer than 74% of listed buildings. Of these, 13 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
Similar buildings
The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.
- 1 Barnes Mill Lock, Including Lock Gates, Chelmer and Blackwater Navigation
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- 3 Stonhams Lock, Including Lock Gates and Bollards, Chelmer and Blackwater Navigation
- 4 Springfield Lock including lock gates
- 5 Cuton Lock, Including Lock Gates and Three Bollards to Each Tow Path, Chelmer and Blackwater Navigation
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