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Lock No 48 and Bridge No 138 on Grand Union Canal

A Grade II Listed Building in Northchurch, Hertfordshire

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Latitude: 51.778 / 51°46'40"N

Longitude: -0.6014 / 0°36'5"W

OS Eastings: 496586

OS Northings: 209737

OS Grid: SP965097

Mapcode National: GBR F4X.JRL

Mapcode Global: VHFRX.JKFV

Entry Name: Lock No 48 and Bridge No 138 on Grand Union Canal

Listing Date: 2 December 1986

Grade: II

Source: Historic England

Source ID: 1100407

English Heritage Legacy ID: 157774

Location: Northchurch, Dacorum, Hertfordshire, HP4

County: Hertfordshire

District: Dacorum

Civil Parish: Northchurch

Built-Up Area: Berkhamsted

Traditional County: Hertfordshire

Lieutenancy Area (Ceremonial County): Hertfordshire

Church of England Parish: Northchurch

Church of England Diocese: St.Albans

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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 from the original listing, and may not necessarily reflect the current setting of the building.

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