Does BL9 flood?

Yes — parts of the BL9 district carry real flood risk: 38 of its 147 at-risk postcodes reach the Environment Agency's High likelihood band. The BL9 postcode district covers North Manor, Redvales, Unsworth, West Heywood, close to Bury, Radcliffe, Ramsbottom, and surrounding villages in parts of Greater Manchester and Lancashire.

147 postcodes in the BL9 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 38 high, 32 medium, 72 low, 5 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).

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Which BL9 postcodes are at risk?

BL9 0AP up to High BL9 5PE up to High BL9 5QB up to High BL9 5QJ up to High BL9 5QL up to High BL9 5QX up to High BL9 6GG up to High BL9 6GN up to High BL9 6GP up to High BL9 6TB up to High BL9 7NY up to High BL9 8PP up to High BL9 8PS up to High BL9 8QG up to High BL9 8QW up to High BL9 9LN up to High BL9 9LP up to High BL9 9LR up to High BL9 9LT up to High BL9 9LU up to High BL9 9LX up to High BL9 9LY up to High BL9 9LZ up to High BL9 9NA up to High BL9 9NB up to High BL9 9ND up to High BL9 9NE up to High BL9 9NF up to High BL9 9NG up to High BL9 9NH up to High BL9 9NQ up to High BL9 9TB up to High BL9 9TF up to High BL9 9TL up to High BL9 9UF up to High BL9 9UH up to High BL9 9UJ up to High BL9 9UT up to High BL9 5JD up to Medium BL9 5PU up to Medium BL9 5PX up to Medium BL9 5QA up to Medium BL9 5QD up to Medium BL9 5QH up to Medium BL9 5QW up to Medium BL9 6GQ up to Medium BL9 6GR up to Medium BL9 6GS up to Medium BL9 6GT up to Medium BL9 6GU up to Medium BL9 6GW up to Medium BL9 6GZ up to Medium BL9 6RF up to Medium BL9 6RG up to Medium BL9 6RL up to Medium BL9 6SD up to Medium BL9 6SL up to Medium BL9 6SN up to Medium BL9 6SQ up to Medium BL9 7HR up to Medium BL9 8QH up to Medium BL9 9JT up to Medium BL9 9LS up to Medium BL9 9LW up to Medium BL9 9NL up to Medium BL9 9NN up to Medium BL9 9NT up to Medium BL9 9NW up to Medium BL9 9SJ up to Medium BL9 9TA up to Medium BL9 0FU up to Low BL9 5JA up to Low BL9 5JE up to Low BL9 5JF up to Low BL9 5JJ up to Low BL9 5PN up to Low BL9 5PR up to Low BL9 5PS up to Low BL9 5PT up to Low BL9 5QE up to Low BL9 5QF up to Low BL9 5QZ up to Low BL9 6GH up to Low BL9 6GL up to Low BL9 6GY up to Low BL9 6QY up to Low BL9 6QZ up to Low BL9 6RB up to Low BL9 6RD up to Low BL9 6RJ up to Low BL9 6RN up to Low BL9 6RP up to Low BL9 6RQ up to Low BL9 6SA up to Low BL9 6SB up to Low BL9 6SJ up to Low BL9 7BQ up to Low BL9 7BR up to Low BL9 7HS up to Low BL9 7HT up to Low BL9 7HX up to Low BL9 7HZ up to Low BL9 7JX up to Low BL9 7JY up to Low BL9 7LA up to Low BL9 7NZ up to Low BL9 8GD up to Low BL9 8JB up to Low BL9 8JW up to Low BL9 8LX up to Low BL9 8PD up to Low BL9 8PG up to Low BL9 8PN up to Low BL9 8RR up to Low BL9 9GQ up to Low BL9 9LA up to Low BL9 9LB up to Low BL9 9NU up to Low BL9 9PJ up to Low BL9 9PL up to Low BL9 9PN up to Low BL9 9PP up to Low BL9 9PR up to Low BL9 9PW up to Low BL9 9PX up to Low BL9 9PY up to Low BL9 9QA up to Low BL9 9QB up to Low BL9 9QF up to Low BL9 9QL up to Low BL9 9QQ up to Low BL9 9RG up to Low BL9 9RN up to Low BL9 9SF up to Low BL9 9SG up to Low BL9 9SZ up to Low BL9 9TQ up to Low BL9 9TT up to Low BL9 9TX up to Low BL9 9TY up to Low BL9 9UA up to Low BL9 9UE up to Low BL9 5PQ up to Very low BL9 5PW up to Very low BL9 9QE up to Very low BL9 9SQ up to Very low BL9 9UG up to Very low

Rivers and flooding history near BL9

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

170 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (77 at warning level or above), most recently 14 December 2025. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in BL9? 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

BL8 BL7 BL6 BL5 BL4 BL3 BL2 BL1

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.