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Does WD23 flood?

Yes — parts of the WD23 district carry real flood risk: 14 of its 44 at-risk postcodes reach the Environment Agency's High likelihood band. The WD23 postcode district covers Bushey North, Bushey St James, Bushey Park, Bushey Heath, close to Watford, Croxley Green, Radlett, and surrounding villages in parts of Greater London and Hertfordshire.

44 postcodes in the WD23 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 14 high, 15 medium, 15 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 WD23 postcodes are at risk?

WD23 2EA up to High WD23 2EB up to High WD23 2FE up to High WD23 2GP up to High WD23 2HL up to High WD23 2HP up to High WD23 2HR up to High WD23 2HS up to High WD23 2JD up to High WD23 2JE up to High WD23 2JF up to High WD23 2NZ up to High WD23 3TJ up to High WD23 4QR up to High WD23 2AB up to Medium WD23 2AE up to Medium WD23 2AY up to Medium WD23 2BA up to Medium WD23 2DA up to Medium WD23 2DD up to Medium WD23 2DG up to Medium WD23 2ED up to Medium WD23 2GD up to Medium WD23 2GZ up to Medium WD23 2HF up to Medium WD23 2HT up to Medium WD23 2HX up to Medium WD23 2NS up to Medium WD23 4GP up to Medium WD23 2AF up to Low WD23 2DE up to Low WD23 2DF up to Low WD23 2DQ up to Low WD23 2FR up to Low WD23 2HU up to Low WD23 3AP up to Low WD23 3AR up to Low WD23 3AU up to Low WD23 3AX up to Low WD23 3FA up to Low WD23 3NB up to Low WD23 3NR up to Low WD23 4FE up to Low WD23 4NZ up to Low

Rivers and flooding history near WD23

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

340 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (24 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 WD23? 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

WD24 WD25 WD19 WD18 WD17 WD7 WD6 WD4

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.