You are viewing Mop End, Amersham parish, Buckinghamshire. The main page on heronsgate.uk is Heronsgate, Three Rivers, Hertfordshire.Back to Heronsgate
←Back to overview
Flood risk · Mop End

Flood risk for Mop End

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
0.2%
Low
0.7%
Nearest watercourse
River Misbourne
A river, 1,595 m from the centre of Mop End
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 Mop End; 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.