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Description: Old Double Lock
Date Listed: 23 August 1985
English Heritage Building ID: 216358
OS Grid Reference: SJ5358896094
OS Grid Coordinates: 353588, 396094
Latitude/Longitude: 53.4595, -2.7005
SJ 59 NW ST. HELENS BLACKBROOK ROAD
4/68 Old double lock
Two-rise staircase lock at head of branch to east of main
canal. 1758. Stone. Barrel-shaped plan. Gates removed and
lock preserved as cascade. Part of north side reduced in
height. This is the oldest British example of a staircase
Listing NGR: SJ5358896094
This text is a legacy record and has not been updated since the building was originally listed. Details of the building may have changed in the intervening time. You should not rely on this listing as an accurate description of the building.
Source: English Heritage
Listed building text is © Crown Copyright. Reproduced under licence.