Does OL6 flood?

Yes — parts of the OL6 district carry real flood risk: 3 of its 12 at-risk postcodes reach the Environment Agency's High likelihood band. The OL6 postcode district covers Ashton St Michael's, Ashton Waterloo, Ashton Hurst, close to Mossley, Haughton Green, Greenfield, and surrounding villages in parts of Greater Manchester and Derbyshire.

12 postcodes in the OL6 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 3 high, 1 medium, 8 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 OL6 postcodes are at risk?

OL6 6DL up to High OL6 6UJ up to High OL6 6UY up to High OL6 8AQ up to Medium OL6 6UG up to Low OL6 6UH up to Low OL6 6UQ up to Low OL6 6UU up to Low OL6 6UX up to Low OL6 8AW up to Low OL6 8TJ up to Low OL6 8TW up to Low

Rivers and flooding history near OL6

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

Waggon Road on the River Tame — 4.1 km away, highest on record 3.28m
Broomstairs Bridge on the River Tame — 4.3 km away, highest on record 2.54m
Mossley Micklehurst Road on the Micklehurst Brook — 4.4 km away
Uppermill on the River Tame — 7.6 km away, highest on record 1.24m

113 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (54 at warning level or above), most recently 14 November 2025. Warnings cover flood areas, not individual addresses.

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

Ashton-Under-Lyne NYE/NYD 25 (2025) — about 1.2 km from the centre
Dukinfield NYE/NYD 25 (2025) — about 1.5 km from the centre
2021 January Flood Incident - Storm Christoph (2021) — about 73 km from the centre
2020 February Flood Incident - Storm Dennis (2020) — about 80 km from the centre

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

🏠 Buying or renting in OL6? 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

OL5 OL4 OL8 OL3 OL9 OL10 OL2 OL1

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.