Does M8 flood?

Yes — parts of the M8 district carry real flood risk: 5 of its 53 at-risk postcodes reach the Environment Agency's High likelihood band. The M8 postcode district covers Cheetham, Crumpsall, Broughton, Higher Blackley, close to Manchester, Salford, Ancouts, and surrounding villages in Greater Manchester.

53 postcodes in the M8 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 5 high, 6 medium, 41 low, 1 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 M8 postcodes are at risk?

M8 0AA up to High M8 0AD up to High M8 0GF up to High M8 0GQ up to High M8 5UY up to High M8 0GR up to Medium M8 4NE up to Medium M8 5XF up to Medium M8 8FQ up to Medium M8 9SN up to Medium M8 9UE up to Medium M8 0LU up to Low M8 0QL up to Low M8 0RG up to Low M8 0RQ up to Low M8 4GX up to Low M8 4ND up to Low M8 4NF up to Low M8 5DB up to Low M8 5UA up to Low M8 5UB up to Low M8 5UG up to Low M8 5US up to Low M8 5UT up to Low M8 5XB up to Low M8 5XH up to Low M8 8DQ up to Low M8 8DT up to Low M8 8DU up to Low M8 8EB up to Low M8 8EE up to Low M8 8EF up to Low M8 8EG up to Low M8 8EJ up to Low M8 8EL up to Low M8 8EN up to Low M8 8EQ up to Low M8 8EU up to Low M8 8FJ up to Low M8 8FN up to Low M8 8FR up to Low M8 8FT up to Low M8 8FW up to Low M8 8FX up to Low M8 8GJ up to Low M8 8NE up to Low M8 9DY up to Low M8 9SG up to Low M8 9TW up to Low M8 9TY up to Low M8 9TZ up to Low M8 9YG up to Low M8 8DY up to Very low

Rivers and flooding history near M8

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

Manchester Racecourse on the River Irwell — 2.1 km away, highest on record 5.67m
London Road on the River Medlock — 3.2 km away, highest on record 1.80m
Littleton Road River on the River Irwell — 3.3 km away, highest on record 4.98m
Blackford Bridge on the River Roch — 7.9 km away, highest on record 3.36m

277 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (81 at warning level or above), most recently 4 September 2026. Warnings cover flood areas, not individual addresses.

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

Manchester Harpurhey - NYE/NYD 25 (2025) — about 1.2 km from the centre
Manchester Castlefields - NYE/NYD 25 (2025) — about 3.1 km from the centre
Collyhurst Road, (2019) — about 1.2 km from the centre
Waterloo Street (2019) — about 1.7 km from the centre

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

🏠 Buying or renting in M8? 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

M7 M9 M6 M11 M5 M12 M4 M13

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.