Does RM5 flood?

Only lower-likelihood flood risk is recorded in RM5: none of its 10 listed postcodes goes beyond the Low band. The RM5 postcode district covers Havering-atte-Bower, Mawneys, Chadwell Heath, close to Romford, Seven Kings, Abridge, and surrounding villages in parts of England and Essex.

10 postcodes in the RM5 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 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).

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Which RM5 postcodes are at risk?

RM5 2BD up to Low RM5 2BE up to Low RM5 2BH up to Low RM5 2BJ up to Low RM5 2EN up to Low RM5 2PH up to Low RM5 2PJ up to Low RM5 2TT up to Low RM5 2UU up to Low RM5 2UX up to Low

Rivers and flooding history near RM5

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

Collier Row on the River Rom — 0.4 km away, highest on record 1.86m
Romford on the River Rom — 2.2 km away, highest on record 1.15m
Seven Kings Park on the Loxford Water — 4.8 km away, highest on record 0.64m
Abridge on the River Roding — 6.2 km away, highest on record 2.68m

200 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (21 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):

June 2016 flooding — about 1.4 km from the centre
February 2007 flooding — about 6.5 km from the centre
October 2001 flooding — about 7.4 km from the centre
October 1993 flooding — about 13.6 km from the centre

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

🏠 Buying or renting in RM5? 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

RM4 RM6 RM3 RM7 RM2 RM1 RM9 RM10

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.