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Does DA15 flood?

Yes — parts of the DA15 district carry real flood risk: 1 of its 38 at-risk postcodes reach the Environment Agency's High likelihood band. The DA15 postcode district covers Blackfen & Lamorbey, Longlands, Blendon & Penhill, close to Sidcup, Bickley, Grove Park, and surrounding villages in parts of England and Kent.

38 postcodes in the DA15 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 high, 11 medium, 26 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 DA15 postcodes are at risk?

DA15 8AA up to High DA15 8AN up to Medium DA15 8AP up to Medium DA15 8BB up to Medium DA15 8BD up to Medium DA15 8BE up to Medium DA15 8BU up to Medium DA15 8HR up to Medium DA15 8NB up to Medium DA15 9DL up to Medium DA15 9DY up to Medium DA15 9EP up to Medium DA15 7NP up to Low DA15 7NZ up to Low DA15 7PA up to Low DA15 7PE up to Low DA15 7PF up to Low DA15 7PH up to Low DA15 7PJ up to Low DA15 7PQ up to Low DA15 8BH up to Low DA15 8DB up to Low DA15 8DE up to Low DA15 8EL up to Low DA15 8EX up to Low DA15 8HA up to Low DA15 8HB up to Low DA15 8HT up to Low DA15 8HU up to Low DA15 8JU up to Low DA15 8JX up to Low DA15 8NA up to Low DA15 8NF up to Low DA15 9AW up to Low DA15 9DD up to Low DA15 9DP up to Low DA15 9EG up to Low DA15 9EN up to Low

Rivers and flooding history near DA15

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

206 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):

🏠 Buying or renting in DA15? 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

DA14 DA16 DA17 DA12 DA18 DA11 DA10 DA9

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.