Does BL2 flood?

Yes — parts of the BL2 district carry real flood risk: 6 of its 19 at-risk postcodes reach the Environment Agency's High likelihood band. The BL2 postcode district covers Tonge with the Haulgh, Bradshaw, Breightmet, Queens Park & Central, close to Eagley, Farnworth, Kearsley, and surrounding villages in parts of Greater Manchester and Lancashire.

19 postcodes in the BL2 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 6 high, 1 medium, 2 low, 10 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 BL2 postcodes are at risk?

BL2 1HY up to High BL2 2DT up to High BL2 4DL up to High BL2 4DP up to High BL2 6QF up to High BL2 6QY up to High BL2 3ET up to Medium BL2 2DJ up to Low BL2 4AH up to Low BL2 1PL up to Very low BL2 2DF up to Very low BL2 2HH up to Very low BL2 3EU up to Very low BL2 3GG up to Very low BL2 6AA up to Very low BL2 6BD up to Very low BL2 6BP up to Very low BL2 6DP up to Very low BL2 6DW up to Very low

Rivers and flooding history near BL2

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

Threadfold Way on the Eagley Brook — 3.2 km away, highest on record 1.71m
Farnworth on the River Croal — 3.7 km away, highest on record 1.83m
Kearsley on the River Irwell — 5.2 km away, highest on record 6.33m
Bessy Brook on the Bessy Brook — 6.4 km away, highest on record 1.78m

60 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (59 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):

Spa Road, Bolton (2015) — about 3.3 km from the centre
Breightmet (2015) — about 2.1 km from the centre
EA01313_21 January 2008_Eagley Brook_Eagley (2008) — about 3.2 km from the centre
EA01313_21 January 2008_Bradshaw Brook_Breightmet (2008) — about 0.7 km from the centre

🏠 Buying or renting in BL2? 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

BL1 BL3 BL0 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.