Remains of Sluice Gate at West End of the Cut is a Grade II listed building in the Northumberland local planning authority area, England. First listed on 15 July 1987. Sluice gate.

Remains of Sluice Gate at West End of the Cut

WRENN ID
hallowed-floor-snow
Grade
II
Local Planning Authority
Northumberland
Constituency
Cramlington and Killingworth MP: Emma Foody (Lab)
Country
England
Date first listed
15 July 1987
Type
Sluice gate
Address
Remains of Sluice Gate at West End of the Cut, Seaton Valley
OS grid reference
NZ 337 767
Coordinates
55.08446, -1.4726
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The remains of a sluice gate are located at the west end of the cut in Seaton Sluice. This structure, likely from the 19th century, replaces an original sluice gate built in 1764 by engineer Thomas Delaval for John Hussey Delaval. The remains include a heavy boarded gate that slides within U-section girder uprights, which are set into rock. This landward gate is part of the 'new cut' constructed between 1761 and 1764, designed to create an all-weather harbour entrance and a deep-water dock. This ambitious engineering project, which cost £10,000 and involved lime blasting, resulted in the first floating harbour on the east coast. The sluice gate is listed for its historical significance.

Local climate

Remains of Sluice Gate at West End of the Cut receives an average of 770 mm of rain a year. This makes it drier than 63% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 80% of listed buildings.

It experiences an average of 22 freeze-thaw cycles a year, fewer than 77% of listed buildings. Of these, 12 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

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