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Lock No 48 and Bridge No 138 on Grand Union Canal, Northchurch

Description: Lock No 48 and Bridge No 138 on Grand Union Canal

Grade: II
Date Listed: 2 December 1986
English Heritage Building ID: 157774

OS Grid Reference: SP9658609736
OS Grid Coordinates: 496586, 209736
Latitude/Longitude: 51.7780, -0.6014

Location: Wharf Lane, Northchurch, Hertfordshire HP4 3TF

Locality: Northchurch
Local Authority: Dacorum Borough Council
County: Hertfordshire
Country: England
Postcode: HP4 3TF

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Explore more of the area around Northchurch, Hertfordshire at Explore Britain.

Listing Text

SP 90 NE (south side)
Lock No 48 and Bridge No 138
- on Grand Union Canal


Canal lock and roadbridge. Circa 1799 as a lock and bridge on the Grand
Junction Canal (became Grand Union Canal by amalgamation 1929). Dates on
gate hinge plates 1868 on lower gate, 1884 on upper gate. Buff brick with
heavy stone edges to lock. Timber gates with timber beams on upper gates
but iron beams on lower gates. Lock 88 ft by 16 ft to accommodate narrow-
boats in pairs. Old timber bollard. Upper gates have ground paddles only,
lower gates have gate paddles only. Humped brick bridge close to lower
gates with quadrant brick steps between. Battered abutments and depressed
round arch. Band marks base of parapet the courses of which follow the hump.
Blue brick special weathered copings. A crossover bridge where tow path
changes sides and each parapet alternately has a square terminal pier with
stone capping and the other end tailing off parallel with canal. (Branch
Johnson (1970) 118-20.)

Listing NGR: SP9658609736

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.