Does L31 flood?

Yes — parts of the L31 district carry real flood risk: 13 of its 59 at-risk postcodes reach the Environment Agency's High likelihood band. The L31 postcode district covers Park, Sudell, Molyneux, close to Sefton, Aintree, Ormskirk, and surrounding villages in parts of Liverpool City Region and Lancashire.

59 postcodes in the L31 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 13 high, 16 medium, 22 low, 8 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 L31 postcodes are at risk?

L31 1AP up to High L31 1AW up to High L31 3DT up to High L31 3DY up to High L31 3EL up to High L31 3EN up to High L31 3EY up to High L31 3HG up to High L31 4ET up to High L31 6AX up to High L31 6AZ up to High L31 8BT up to High L31 8BX up to High L31 1AT up to Medium L31 3AD up to Medium L31 3EG up to Medium L31 5NQ up to Medium L31 6BA up to Medium L31 8AE up to Medium L31 8AF up to Medium L31 8AG up to Medium L31 8AL up to Medium L31 8AN up to Medium L31 8AQ up to Medium L31 8AU up to Medium L31 8AW up to Medium L31 8AX up to Medium L31 8BA up to Medium L31 8BE up to Medium L31 3DB up to Low L31 3DG up to Low L31 3DL up to Low L31 3EJ up to Low L31 3EP up to Low L31 3EU up to Low L31 3HP up to Low L31 3HU up to Low L31 4AE up to Low L31 4EH up to Low L31 7AL up to Low L31 7AU up to Low L31 7AZ up to Low L31 7BD up to Low L31 7BP up to Low L31 7BQ up to Low L31 8AH up to Low L31 8AR up to Low L31 8AT up to Low L31 8BN up to Low L31 8ET up to Low L31 8EU up to Low L31 3DZ up to Very low L31 7BL up to Very low L31 8BF up to Very low L31 8BG up to Very low L31 8BY up to Very low L31 8EF up to Very low L31 8EG up to Very low L31 8EW up to Very low

Rivers and flooding history near L31

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

148 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (65 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):

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

🏠 Buying or renting in L31? 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

L30 L32 L29 L33 L28 L34 L27 L35

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.