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Gardham Lock and Swing Bridge

A Grade II Listed Building in Cottingwith, East Riding of Yorkshire

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Latitude: 53.8989 / 53°53'56"N

Longitude: -0.8914 / 0°53'28"W

OS Eastings: 472944

OS Northings: 445322

OS Grid: SE729453

Mapcode National: GBR QR6C.T2

Mapcode Global: WHFCL.88SB

Plus Code: 9C5XV4X5+HF

Entry Name: Gardham Lock and Swing Bridge

Listing Date: 15 September 2010

Last Amended: 18 October 2011

Grade: II

Source: Historic England

Source ID: 1393979

English Heritage Legacy ID: 506366

Location: Cottingwith, East Riding of Yorkshire, YO42

County: East Riding of Yorkshire

Civil Parish: Cottingwith

Traditional County: Yorkshire

Lieutenancy Area (Ceremonial County): East Riding of Yorkshire

Church of England Parish: Sutton-on-Derwent St Michael

Church of England Diocese: York

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Lock with Swing Bridge, c.1818, by George Leather for the Pocklington Canal Company.


MATERIALS: Red brick with gritstone dressings, with iron swing bridge.

PLAN: The lock chamber has parallel sides, splayed at each end beyond the gates. The original wooden lock floor was removed during restoration and the foundations were replaced with steel piles. Between the gates is a manually operated swing bridge with iron girder substructure and metal handrails. The curved recess for the bridge has stone ridges along the top to provide purchase. The lock gates and manual and hydraulic gearing mechanism have been restored to traditional design.


The Pocklington Canal was constructed at the beginning of the C19 to transport mainly agricultural goods from the East Riding to the larger urban centres to the south and west. A Bill was placed before Parliament in 1814 and the canal was designed by George Leather Jnr, an experienced navigation engineer who worked on Goole Docks and the Knottingley and Goole Canal. The canal was opened in 1818, running for 9.5 miles from the River Derwent at East Cottingwith to a mile south of Pocklington. The cost was £32,695, which was actually less than the original estimate.

Coal, lime, fertiliser and industrial goods were carried to Pocklington, and agricultural produce was sent to the West Riding. After 1847, when the canal was sold to the York and North Midland Railway, there was a decline in trade and the last cargo was carried on the canal in 1932. In 1963 ownership passed to British Waterways. It is now navigable as far as Melbourne, and some of the locks have been restored by the Pocklington Canal Amenity Society (formed in 1969), but it is a remainder waterway and there are no plans to restore the canal fully.

Gardham Lock was restored in 1975.

Reasons for Listing

* Date: it is a pre-1840 canal structure and forms part of a sequence of listable structures along the length of the canal;
* Historical Associations: the lock was designed by George Leather, a well-known navigation engineer and designer;
* Intactness: the principal brick and stone superstructure of the lock remains intact, with restoration of the lock floor using steel piles and the re-establishment of the lock structure carried out to traditional design.

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