Flood risk · Marlow

Flood risk for Marlow

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

Medium

High

3.3%

Medium

7.1%

Low

5.8%

Very low

Surface water flooding

Medium

High

4.4%

Medium

Low

9.8%

Nearest watercourse

River Thames

A river, 578 m from the centre of Marlow

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 Marlow; 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.