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Does L16 flood?

Yes — parts of the L16 district carry real flood risk: 8 of its 24 at-risk postcodes reach the Environment Agency's High likelihood band. The L16 postcode district covers Childwall, Roby, Belle Vale, close to Netherley, Aintree, St Helens, and surrounding villages in Liverpool City Region.

24 postcodes in the L16 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 8 high, 1 medium, 15 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 L16 postcodes are at risk?

L16 2AA up to High L16 2AE up to High L16 2AF up to High L16 2LA up to High L16 2LJ up to High L16 2LN up to High L16 2LQ up to High L16 3NY up to High L16 2NN up to Medium L16 2LG up to Low L16 2LL up to Low L16 2LZ up to Low L16 2NL up to Low L16 3GD up to Low L16 3GE up to Low L16 3GF up to Low L16 3GG up to Low L16 3GH up to Low L16 3GN up to Low L16 3GP up to Low L16 3GQ up to Low L16 3GR up to Low L16 3GS up to Low L16 3NW up to Low

Rivers and flooding history near L16

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

99 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (7 at warning level or above), most recently 4 April 2026. Warnings cover flood areas, not individual addresses.

No recorded flood extent is mapped near this district's centre. No recorded outline near the district means no flood was mapped here, which is not evidence none happened: the Environment Agency mapped only some floods, mapping effort rose sharply after about 2000, and surface-water flooding is largely absent from this record.

🏠 Buying or renting in L16? 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

L17 L19 L12 L20 L21 L10 L9 L24

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.