Does BB6 flood?

Parts of the BB6 district carry moderate flood risk: 7 of its 30 at-risk postcodes reach the Environment Agency's Medium likelihood band. The BB6 postcode district covers Overton, Netherton, close to Whalley, Accrington, Blackburn, and surrounding villages in parts of Lancashire and Blackburn with Darwen.

30 postcodes in the BB6 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 7 medium, 23 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 BB6 postcodes are at risk?

BB6 7AL up to Medium BB6 7AX up to Medium BB6 7GY up to Medium BB6 7NF up to Medium BB6 7NN up to Medium BB6 7QP up to Medium BB6 7QR up to Medium BB6 7AA up to Low BB6 7AT up to Low BB6 7DD up to Low BB6 7DE up to Low BB6 7FW up to Low BB6 7HG up to Low BB6 7HH up to Low BB6 7HL up to Low BB6 7NB up to Low BB6 7NE up to Low BB6 7QD up to Low BB6 7QF up to Low BB6 7QL up to Low BB6 7QN up to Low BB6 7QQ up to Low BB6 7RW up to Low BB6 7SB up to Low BB6 7SZ up to Low BB6 7UA up to Low BB6 7UD up to Low BB6 7UE up to Low BB6 7UJ up to Low BB6 7UQ up to Low

Rivers and flooding history near BB6

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

Milnshaw on the River Hyndburn — 4.2 km away, highest on record 1.41m
Gorse Street on the River Blakewater — 5.1 km away, highest on record 1.32m
Padiham Town Centre on the River Calder — 6 km away, highest on record 3.45m
New Jumbles Rock on the River Ribble — 6.1 km away, highest on record 5.22m

133 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (63 at warning level or above), most recently 8 December 2025. Warnings cover flood areas, not individual addresses.

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

Dean Lane (2020) — about 2.7 km from the centre
Water Street (2020) — about 0.1 km from the centre
Whalley (2015) — about 3.5 km from the centre
Old Coal Slaithe, Read (2015) — about 2 km from the centre

🏠 Buying or renting in BB6? 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

BB5 BB7 BB4 BB8 BB3 BB9 BB10 BB2

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.