Does M12 flood?

Yes — parts of the M12 district carry real flood risk: 1 of its 45 at-risk postcodes reach the Environment Agency's High likelihood band. The M12 postcode district covers Ardwick, Longsight, Gorton & Abbey Hey, Piccadilly, close to Ancouts, Manchester, Fallowfield, and surrounding villages in Greater Manchester.

45 postcodes in the M12 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 high, 6 medium, 38 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 M12 postcodes are at risk?

M12 5DL up to High M12 5GH up to Medium M12 5PG up to Medium M12 5PN up to Medium M12 6EH up to Medium M12 6PE up to Medium M12 6PP up to Medium M12 4AH up to Low M12 4NZ up to Low M12 4PB up to Low M12 4PD up to Low M12 4PF up to Low M12 4PH up to Low M12 4WZ up to Low M12 5AP up to Low M12 5AQ up to Low M12 5AU up to Low M12 5BH up to Low M12 5BT up to Low M12 5BW up to Low M12 5DA up to Low M12 5DB up to Low M12 5DD up to Low M12 5DJ up to Low M12 5DU up to Low M12 5DX up to Low M12 5LQ up to Low M12 5ND up to Low M12 5NE up to Low M12 5NL up to Low M12 5QJ up to Low M12 5RF up to Low M12 5RJ up to Low M12 5RT up to Low M12 5UG up to Low M12 6AJ up to Low M12 6AL up to Low M12 6AW up to Low M12 6BA up to Low M12 6BH up to Low M12 6BN up to Low M12 6BQ up to Low M12 6BW up to Low M12 6EL up to Low M12 6HY up to Low

Rivers and flooding history near M12

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

London Road on the River Medlock — 1.8 km away, highest on record 1.80m
Manchester Racecourse on the River Irwell — 5.7 km away, highest on record 5.67m
Portwood on the River Tame — 6.4 km away, highest on record 2.26m
Brinksway on the River Mersey — 7 km away, highest on record 5.03m

305 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (111 at warning level or above), most recently 21 February 2026. Warnings cover flood areas, not individual addresses.

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

Manchester Manchester - NYE/NYD 25 (2025) — about 2.3 km from the centre
Manchester Harpurhey - NYE/NYD 25 (2025) — about 2.3 km from the centre
Collyhurst Road, (2019) — about 3.4 km from the centre
Lower Broughton (2015) — about 4.7 km from the centre

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

🏠 Buying or renting in M12? 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

M11 M13 M14 M15 M9 M16 M8 M17

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.