Does CR7 flood?

Yes — parts of the CR7 district carry real flood risk: 1 of its 24 at-risk postcodes reach the Environment Agency's High likelihood band. The CR7 postcode district covers Bensham Manor, close to South Norwood, Beddington, Streatham, and surrounding villages in parts of Greater London and Surrey.

24 postcodes in the CR7 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 high, 1 medium, 22 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 CR7 postcodes are at risk?

Rivers and flooding history near CR7

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

Thornton Heath on the Norbury Brook — 0.5 km away, highest on record 2.53m
Waddon Ponds on the River Wandle — 3.2 km away, highest on record 0.43m
Abercairn Road on the River Graveney — 3.5 km away, highest on record 2.87m
Beddington Park on the River Wandle — 3.7 km away, highest on record 1.83m

218 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (13 at warning level or above), most recently 27 August 2026. Warnings cover flood areas, not individual addresses.

No recorded flood extent is mapped near this district's centre. No recorded outline near the district means no flood was mapped here, which is not evidence none happened: the Environment Agency mapped only some floods, mapping effort rose sharply after about 2000, and surface-water flooding is largely absent from this record.

🏠 Buying or renting in CR7? 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

CR8 CR9 CR4 CR3 CR2 CR0

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.