Does L36 flood?

Only lower-likelihood flood risk is recorded in L36: none of its 9 listed postcodes goes beyond the Low band. The L36 postcode district covers St Gabriels, Whiston and Cronton, St Michaels, close to Netherley, St Helens, Aintree, and surrounding villages in parts of Liverpool City Region and Warrington.

9 postcodes in the L36 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 9 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 L36 postcodes are at risk?

L36 0XS up to Low L36 0XZ up to Low L36 0YN up to Low L36 1AB up to Low L36 6BF up to Low L36 6EJ up to Low L36 6EU up to Low L36 6HN up to Low L36 6HW up to Low

Rivers and flooding history near L36

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

Winster Drive on the Netherley Brook — 2.8 km away, highest on record 2.92m
Ellamsbridge Road, St Helens on the Sutton Mill Brook — 8.4 km away, highest on record 1.29m
Kirkby on the River Alt — 9.9 km away, highest on record 2.22m
Haydock West End Road on the Black Brook — 10.1 km away

64 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (31 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):

Egremont (2023) — about 2.9 km from the centre
FOXB (2002) — about 2.1 km from the centre
NETH (2002) — about 2.9 km from the centre

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

🏠 Buying or renting in L36? 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

L35 L37 L34 L38 L33 L39 L32 L40

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.