Does BH25 flood?

Yes — parts of the BH25 district carry real flood risk: 11 of its 23 at-risk postcodes reach the Environment Agency's High likelihood band. The BH25 postcode district covers Ashley, Bashley & Fernhill, Barton & Becton, Milton, Ballard, close to Highcliffe, Milford, Lymington, and surrounding villages in parts of Hampshire and Bournemouth, Christchurch and Poole.

23 postcodes in the BH25 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 11 high, 2 medium, 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).

Free preview first · full report £19

Which BH25 postcodes are at risk?

Rivers and flooding history near BH25

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

Chewton Glen on the Walkford Brook — 2.2 km away, highest on record 1.23m
CHEWTON GLEN GS — 2.2 km away
New Valley Road on the Danes Stream — 4.6 km away, highest on record 0.79m
Milford Bridge on the Danes Stream — 5.2 km away, highest on record 1.88m

525 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (68 at warning level or above), most recently 30 August 2026. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

06/11/2000_Lymington River_Lymington (2000) — about 3.6 km from the centre
06/11/2000_Danes Stream_New Milton (2000) — about 1.4 km from the centre
30/12/93_Danes Stream_New Milton (1993) — about 1 km from the centre
30/12/93_Danes Stream_Ashley (1993) — about 1.7 km from the centre

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

🏠 Buying or renting in BH25? 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

BH24 BH23 BH22 BH21 BH20 BH19 BH31 BH17

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.