Does IG4 flood?

Parts of the IG4 district carry moderate flood risk: 4 of its 7 at-risk postcodes reach the Environment Agency's Medium likelihood band. The IG4 postcode district covers Clayhall, close to Wanstead, Walthamstow, Seven Kings, and surrounding villages in parts of England and Essex.

7 postcodes in the IG4 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 4 medium, 3 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

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Which IG4 postcodes are at risk?

IG4 5PD up to Medium IG4 5PF up to Medium IG4 5PL up to Medium IG4 5PP up to Medium IG4 5PH up to Low IG4 5PJ up to Low IG4 5PN up to Low

Rivers and flooding history near IG4

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

Redbridge on the River Roding — 0.8 km away, highest on record 2.30m
Walthamstow on the Ching Brook — 4.5 km away, highest on record 4.76m
Seven Kings Park on the Loxford Water — 4.5 km away, highest on record 0.64m
Chingford on the Ching Brook — 4.6 km away, highest on record 2.31m

190 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (19 at warning level or above), most recently 27 August 2026. Warnings cover flood areas, not individual addresses.

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

February 2009 flooding — about 2 km from the centre
February 2009 flooding — about 2.5 km from the centre
December 2000 flooding — about 2.3 km from the centre
October 1993 flooding — about 19.4 km from the centre

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

🏠 Buying or renting in IG4? 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

IG3 IG2 IG6 IG1 IG7 IG8 IG9 IG10

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.