Does DN41 flood?

Yes — parts of the DN41 district carry real flood risk: 4 of its 60 at-risk postcodes reach the Environment Agency's High likelihood band. The DN41 postcode district covers Immingham, Wolds, Caistor and Yarborough, close to Grimsby, Great Coates, Laceby, and surrounding villages in parts of North East Lincolnshire and East Riding of Yorkshire.

60 postcodes in the DN41 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 4 high, 9 medium, 17 low, 30 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 DN41 postcodes are at risk?

DN41 7RZ up to High DN41 8BA up to High DN41 8BZ up to High DN41 8DX up to High DN41 7QH up to Medium DN41 8BY up to Medium DN41 8DD up to Medium DN41 8DF up to Medium DN41 8DL up to Medium DN41 8DR up to Medium DN41 8DS up to Medium DN41 8DT up to Medium DN41 8DW up to Medium DN41 7JN up to Low DN41 7PZ up to Low DN41 7SL up to Low DN41 8BL up to Low DN41 8BX up to Low DN41 8DA up to Low DN41 8DB up to Low DN41 8DG up to Low DN41 8DN up to Low DN41 8DQ up to Low DN41 8DU up to Low DN41 8DY up to Low DN41 8DZ up to Low DN41 8FD up to Low DN41 8JB up to Low DN41 8JJ up to Low DN41 8TH up to Low DN41 7LP up to Very low DN41 7NA up to Very low DN41 7PP up to Very low DN41 7RB up to Very low DN41 7RD up to Very low DN41 7RE up to Very low DN41 7RF up to Very low DN41 7RH up to Very low DN41 7RJ up to Very low DN41 7RQ up to Very low DN41 7RY up to Very low DN41 7SB up to Very low DN41 8AA up to Very low DN41 8AJ up to Very low DN41 8AL up to Very low DN41 8AN up to Very low DN41 8AP up to Very low DN41 8AW up to Very low DN41 8BE up to Very low DN41 8BG up to Very low DN41 8BH up to Very low DN41 8BQ up to Very low DN41 8BS up to Very low DN41 8FE up to Very low DN41 8FH up to Very low DN41 8GA up to Very low DN41 8TA up to Very low DN41 8TB up to Very low DN41 8TG up to Very low DN41 8TQ up to Very low

Rivers and flooding history near DN41

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

63 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (15 at warning level or above), most recently 22 October 2025. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in DN41? 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

DN40 DN39 DN37 DN36 DN35 DN34 DN32 DN31

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.