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Does EN5 flood?

Yes — parts of the EN5 district carry real flood risk: 4 of its 19 at-risk postcodes reach the Environment Agency's High likelihood band. The EN5 postcode district covers Barnet Vale, Underhill, Shenley, close to Cockfosters, Totteridge, Southgate, and surrounding villages in parts of Greater London and Hertfordshire.

19 postcodes in the EN5 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 4 high, 5 medium, 10 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

Free preview first · full report £19

Which EN5 postcodes are at risk?

EN5 2AG up to High EN5 2BU up to High EN5 2PX up to High EN5 3JE up to High EN5 2BT up to Medium EN5 5LD up to Medium EN5 5LE up to Medium EN5 5LN up to Medium EN5 5NE up to Medium EN5 2DN up to Low EN5 2QD up to Low EN5 5HP up to Low EN5 5JA up to Low EN5 5JP up to Low EN5 5LG up to Low EN5 5NG up to Low EN5 5PG up to Low EN5 5QS up to Low EN5 5QU up to Low

Rivers and flooding history near EN5

The rivers that matter here, each monitored live on FloodRadar:

353 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (10 at warning level or above), most recently 28 August 2026. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

Records, not floods: no outline on the record is not evidence a place has not flooded.

🏠 Buying or renting in EN5? The full property flood-risk report covers any postcode here — the official likelihood band, every recorded flood nearby with distances, warning history year by year, how the local rivers behave, and an insurance outlook, print-ready for £19. See what's in the report →

Flood risk in nearby postcode districts

EN4 EN6 EN3 EN7 EN2 EN8 EN1 EN9

Band = the worst likelihood band of any property in that postcode (EA Risk of Flooding from Rivers & Sea, defence-adjusted, area-level). Check any postcode in detail — or get the full £19 property report — at the property flood-risk report. © Environment Agency copyright and/or database right 2025. All rights reserved. Some features of this map are based on digital spatial data from the Centre for Ecology & Hydrology, © NERC (CEH). © Crown Copyright and Database Rights 2025 OS AC0000807064. This product is produced in part from PAF® and Multiple Residence Data, the copyright in which is owned by Royal Mail Group Limited and/or Royal Mail Group plc. All rights reserved. Licence number AC0000807064.