FloodRadar
Log inCreate free account

Explore FloodRadar

Explore the map
Weather
Why ?

Does BL1 flood?

Yes — parts of the BL1 district carry real flood risk: 65 of its 124 at-risk postcodes reach the Environment Agency's High likelihood band. The BL1 postcode district covers Queens Park & Central, Astley Bridge, Heaton, Lostock & Chew Moor, Smithills, close to Eagley, Bolton, Farnworth, and surrounding villages in parts of Greater Manchester and Lancashire.

124 postcodes in the BL1 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 65 high, 8 medium, 46 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).

Free preview first · full report £19

Which BL1 postcodes are at risk?

BL1 1TR up to High BL1 1TU up to High BL1 4AG up to High BL1 4GT up to High BL1 4GU up to High BL1 4LG up to High BL1 4LH up to High BL1 4LL up to High BL1 4LN up to High BL1 4LR up to High BL1 4LS up to High BL1 4LU up to High BL1 4LW up to High BL1 4LX up to High BL1 4LY up to High BL1 4LZ up to High BL1 4NA up to High BL1 4NB up to High BL1 4NY up to High BL1 4PG up to High BL1 4PH up to High BL1 4RD up to High BL1 4RX up to High BL1 4RY up to High BL1 4RZ up to High BL1 4SA up to High BL1 4SB up to High BL1 4SF up to High BL1 4SG up to High BL1 4SR up to High BL1 4ST up to High BL1 4SW up to High BL1 5AA up to High BL1 5BG up to High BL1 5BR up to High BL1 5GR up to High BL1 5HH up to High BL1 5HP up to High BL1 5HS up to High BL1 6FY up to High BL1 6JL up to High BL1 6ND up to High BL1 6NF up to High BL1 6NH up to High BL1 6NJ up to High BL1 6NL up to High BL1 6NW up to High BL1 6PU up to High BL1 6QA up to High BL1 6TX up to High BL1 6TY up to High BL1 6TZ up to High BL1 7RZ up to High BL1 8DY up to High BL1 8EQ up to High BL1 8NG up to High BL1 8NH up to High BL1 8NJ up to High BL1 8NL up to High BL1 8NN up to High BL1 8PE up to High BL1 8PG up to High BL1 8PQ up to High BL1 8RY up to High BL1 8TZ up to High BL1 1TZ up to Medium BL1 2JS up to Medium BL1 2QN up to Medium BL1 2QQ up to Medium BL1 2QY up to Medium BL1 3AW up to Medium BL1 4GS up to Medium BL1 7NS up to Medium BL1 1TY up to Low BL1 2AS up to Low BL1 2AX up to Low BL1 2AZ up to Low BL1 2BA up to Low BL1 2BB up to Low BL1 2BY up to Low BL1 2JU up to Low BL1 2PB up to Low BL1 2PF up to Low BL1 2PH up to Low BL1 2PP up to Low BL1 2PT up to Low BL1 2QB up to Low BL1 2QE up to Low BL1 2QG up to Low BL1 2RB up to Low BL1 2RG up to Low BL1 2RR up to Low BL1 2TE up to Low BL1 2TG up to Low BL1 2TU up to Low BL1 3AF up to Low BL1 3AQ up to Low BL1 3LU up to Low BL1 3LX up to Low BL1 3LY up to Low BL1 4AL up to Low BL1 4AW up to Low BL1 4SE up to Low BL1 5BJ up to Low BL1 5JQ up to Low BL1 6JN up to Low BL1 6LP up to Low BL1 6NG up to Low BL1 6PE up to Low BL1 6PR up to Low BL1 6PS up to Low BL1 7AL up to Low BL1 8DX up to Low BL1 8PL up to Low BL1 8PN up to Low BL1 8QQ up to Low BL1 8RT up to Low BL1 8TS up to Low BL1 8TY up to Low BL1 5XH up to Very low BL1 8DT up to Very low BL1 8TU up to Very low BL1 8UA up to Very low BL1 8WD up to Very low

Rivers and flooding history near BL1

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

53 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (52 at warning level or above), most recently 20 September 2025. 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 BL1? 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

BL0 BL2 BL3 BL4 BL5 BL6 BL7 BL8

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.