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Flood risk · Chadwell St Mary

Flood risk for Chadwell St Mary

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
High
0%
Medium
0%
Low
0.1%
Very low
3.3%
Surface water flooding
High
High
15.7%
Medium
2.8%
Low
2.9%
Nearest watercourse
Chadwell New Cross Sewer
A river, 887 m from the centre of Chadwell St Mary
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 Chadwell St Mary; 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.