Description and History of Site:-
Better known as Three Bridges. Surviving three-level intersection, canal under road with rail beneath. Cast-iron aqueduct structure built 1859 by GWR over their single track branch to Brentford Docks. Immediately westward is first of flight of six locks on Hanwell flight, TQ150796-TQ143796, lowering canal 53 ft in 600 yds to R Brent. Features include both covered and open side ponds, cottages, and bricked-up arm into St Bernard's Hospital. Gate anchor blocks are dated. Upper gates had four paddles, lower gates fitted with hand hydraulic paddle gear, 1973. See LIA 5 for fuller details

Further Reading and References:-
Ashdown, John; Bussell, Michael; Carter, Paul. 'A Survey of Industrial Monuments of Greater London'. Thames Basin Archaeological Observers' Group, 1969
Falconer, Keith. 'Guide to England's Industrial Heritage'. Batsford, 1980
Perrett, David. 'London's Industrial Archaeology No 5', p35-38
http://www.glias.org.uk/journals/5-d.pdf

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Key Words :- canal aqueduct

Viewing the Site :- From road on top bridge or from canal towpath under road and above the railway.

Address :- Windmill Lane, London, Greater London
Grid Ref :- TQ 14246 79655
Co-ordinates :- Lat 51.504291 , Long -0.355341
Local Authority :- Enfield London Borough Council
Pre 1974 County :- Greater London Council
Site Status :- Scheduled Ancient Monument SAM
Historic England List No - 1002020,
Site Dates :- 1859 -
Contributor :- GLIAS Database - 2 June 2018

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