Lock No 48 and Bridge No 138 on Grand Union Canal
LOCK NO 48 AND BRIDGE NO 138 ON GRAND UNION CANAL, WHARF LANE
Listed on the National Heritage List for England. Search over 400,000 listed places
Overview
- Heritage Category:
- Listed Building
- Grade:
- II
- List Entry Number:
- 1100407
- Date first listed:
- 02-Dec-1986
- List Entry Name:
- Lock No 48 and Bridge No 138 on Grand Union Canal
- Statutory Address:
- LOCK NO 48 AND BRIDGE NO 138 ON GRAND UNION CANAL, WHARF LANE
Location
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Images of England Project
- Date:
- 2001-08-08
- Reference:
- IOE01/05066/12
- Rights:
- © Mr Ronald Brown. Source: Historic England Archive
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Discover moreOfficial list entry
- Heritage Category:
- Listed Building
- Grade:
- II
- List Entry Number:
- 1100407
- Date first listed:
- 02-Dec-1986
- List Entry Name:
- Lock No 48 and Bridge No 138 on Grand Union Canal
- Statutory Address 1:
- LOCK NO 48 AND BRIDGE NO 138 ON GRAND UNION CANAL, WHARF LANE
The scope of legal protection for listed buildings
This List entry helps identify the building designated at this address for its special architectural or historic interest.
Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.
For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.
The scope of legal protection for listed buildings
This List entry helps identify the building designated at this address for its special architectural or historic interest.
Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.
For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.
Location
- Statutory Address:
- LOCK NO 48 AND BRIDGE NO 138 ON GRAND UNION CANAL, WHARF LANE
The building or site itself may lie within the boundary of more than one authority.
- County:
- Hertfordshire
- District:
- Dacorum (District Authority)
- Parish:
- Northchurch
- National Grid Reference:
- SP 96586 09736
Details
NORTHCHURCH WHARF LANE SP 90 NE (south side) Dudswell 3/243 Lock No 48 and Bridge No 138 - on Grand Union Canal
GV II
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
Legacy
The contents of this record have been generated from a legacy data system.
- Legacy System number:
- 157774
- Legacy System:
- LBS
Sources
Books and journals
Branch Johnson, W, The Industrial Archaeology of Hertfordshire, (1970), 118-20
Legal
This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.
Map
This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 29-Jun-2026 at 10:00:52.
Download a full scale map (PDF)End of official list entry
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