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Flood risk · Sunniside

Flood risk for Sunniside

Indicative risk for the kilometre square around the centre, from the Environment Agency’s national flood risk assessment. Always check a specific property address on the official map before buying or building.

River & sea flooding
Very low
No part of the square is in a mapped risk area.
Surface water flooding
Very low
High
0.5%
Medium
0.1%
Low
0.3%
Nearest watercourse
River Deerness
A river, 987 m from the centre of Sunniside
For a property-specific flood risk check, use the official Environment Agency service at check-long-term-flood-risk.service.gov.uk.

Environment Agency National Flood Risk Assessment (NaFRA2, January 2025): the level shown is the highest risk that applies to at least 5% of the 1 km square centred on Sunniside; bars show each level’s share of that square. Nearest named watercourse from OS Open Rivers. Contains Environment Agency and Ordnance Survey data, Open Government Licence.

Sunniside, County Durham flood risk assessment