Does BH19 flood?

Yes — parts of the BH19 district carry real flood risk: 41 of its 72 at-risk postcodes reach the Environment Agency's High likelihood band. The BH19 postcode district covers Swanage, South East Purbeck, close to Poole, Bournemouth, Wareham, and surrounding villages in parts of Dorset and Bournemouth, Christchurch and Poole.

72 postcodes in the BH19 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 41 high, 2 medium, 2 low, 27 very 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 BH19 postcodes are at risk?

BH19 1AB up to High BH19 1AD up to High BH19 1AF up to High BH19 1AS up to High BH19 1AU up to High BH19 1BQ up to High BH19 1BS up to High BH19 1BT up to High BH19 1BX up to High BH19 1DA up to High BH19 1DD up to High BH19 1DE up to High BH19 1DF up to High BH19 1EH up to High BH19 1ER up to High BH19 1ES up to High BH19 1EU up to High BH19 1EX up to High BH19 1EY up to High BH19 1HA up to High BH19 1HD up to High BH19 1JY up to High BH19 1LA up to High BH19 1LD up to High BH19 1LH up to High BH19 1NS up to High BH19 2AP up to High BH19 2AR up to High BH19 2AW up to High BH19 2BB up to High BH19 2FH up to High BH19 2LJ up to High BH19 2LN up to High BH19 2NT up to High BH19 2NU up to High BH19 2NX up to High BH19 3AP up to High BH19 3AQ up to High BH19 3BA up to High BH19 3DG up to High BH19 3LT up to High BH19 1AE up to Medium BH19 3HA up to Medium BH19 1NQ up to Low BH19 3DY up to Low BH19 1AA up to Very low BH19 1AN up to Very low BH19 1AP up to Very low BH19 1AR up to Very low BH19 1AW up to Very low BH19 1BB up to Very low BH19 1DG up to Very low BH19 1DX up to Very low BH19 1DZ up to Very low BH19 1EZ up to Very low BH19 1HB up to Very low BH19 1HE up to Very low BH19 1HF up to Very low BH19 1HG up to Very low BH19 1HP up to Very low BH19 1HQ up to Very low BH19 1HR up to Very low BH19 1HU up to Very low BH19 1HY up to Very low BH19 1JP up to Very low BH19 1JU up to Very low BH19 1PW up to Very low BH19 2BY up to Very low BH19 2LR up to Very low BH19 2LS up to Very low BH19 2LT up to Very low BH19 2LU up to Very low

Rivers and flooding history near BH19

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

86 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 18 February 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 BH19? 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

BH20 BH17 BH21 BH16 BH22 BH15 BH23 BH14

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.