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Does OL11 flood?

Yes — parts of the OL11 district carry real flood risk: 9 of its 39 at-risk postcodes reach the Environment Agency's High likelihood band. The OL11 postcode district covers Balderstone & Kirkholt, Milkstone & Deeplish, Bamford, Spotland & Falinge, close to Rochdale, Smallbridge, Milnrow, and surrounding villages in parts of Greater Manchester and Lancashire.

39 postcodes in the OL11 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 9 high, 3 medium, 27 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 OL11 postcodes are at risk?

OL11 2AD up to High OL11 2AL up to High OL11 2JS up to High OL11 4DB up to High OL11 4ED up to High OL11 4EU up to High OL11 4EY up to High OL11 4HJ up to High OL11 4QH up to High OL11 4AL up to Medium OL11 4HS up to Medium OL11 4JB up to Medium OL11 1BB up to Low OL11 1LQ up to Low OL11 1NG up to Low OL11 2AW up to Low OL11 2EL up to Low OL11 2EX up to Low OL11 2HA up to Low OL11 2HB up to Low OL11 2HD up to Low OL11 2HE up to Low OL11 2JR up to Low OL11 2JT up to Low OL11 2JX up to Low OL11 2JZ up to Low OL11 2LS up to Low OL11 2SL up to Low OL11 4AZ up to Low OL11 4EE up to Low OL11 4EZ up to Low OL11 4HP up to Low OL11 4HQ up to Low OL11 4HT up to Low OL11 5AT up to Low OL11 5BL up to Low OL11 5BN up to Low OL11 5BT up to Low OL11 5BW up to Low

Rivers and flooding history near OL11

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

176 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (84 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):

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

🏠 Buying or renting in OL11? 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

OL10 OL12 OL13 OL9 OL14 OL8 OL15 OL16

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.