Does L34 flood?

Yes — parts of the L34 district carry real flood risk: 10 of its 13 at-risk postcodes reach the Environment Agency's High likelihood band. The L34 postcode district covers Prescot North, Northwood, close to Aintree, Netherley, St Helens, and surrounding villages in Liverpool City Region.

13 postcodes in the L34 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 10 high, 3 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 L34 postcodes are at risk?

L34 0EN up to High L34 0EY up to High L34 0HB up to High L34 0HF up to High L34 7HB up to High L34 8HB up to High L34 8HH up to High L34 9EA up to High L34 9EF up to High L34 9EG up to High L34 1NL up to Low L34 3LX up to Low L34 9EQ up to Low

Rivers and flooding history near L34

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

Kirkby on the River Alt — 5.7 km away, highest on record 2.22m
Winster Drive on the Netherley Brook — 7.3 km away, highest on record 2.92m
Ellamsbridge Road, St Helens on the Sutton Mill Brook — 9.5 km away, highest on record 1.29m
Haydock West End Road on the Black Brook — 9.9 km away

51 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (51 at warning level or above), most recently 4 September 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 L34? 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

L33 L35 L32 L36 L31 L37 L30 L38

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.