Does SL0 flood?

Yes — parts of the SL0 district carry real flood risk: 3 of its 11 at-risk postcodes reach the Environment Agency's High likelihood band. The SL0 postcode district covers Iver, Langley Meads, close to Yiewsley, West Drayton, Cowley, and surrounding villages in parts of England and Surrey.

11 postcodes in the SL0 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 3 high, 4 medium, 4 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 SL0 postcodes are at risk?

SL0 0EB up to High SL0 9AH up to High SL0 9AR up to High SL0 9AJ up to Medium SL0 9AN up to Medium SL0 9AQ up to Medium SL0 9LL up to Medium SL0 0EA up to Low SL0 9DX up to Low SL0 9LH up to Low SL0 9RR up to Low

Rivers and flooding history near SL0

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

Farlows Bridge on the River Colne — 0.4 km away, highest on record 1.43m
Uxbridge, Philpots Bridge on the River Pinn — 1.6 km away, highest on record 2.54m
Yiewsley on the Frays River — 1.7 km away, highest on record 1.20m
Thorney Mill Road, West Drayton (Temporary) on the River Colne — 1.8 km away, highest on record 0.80m

298 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (75 at warning level or above), most recently 27 August 2026. Warnings cover flood areas, not individual addresses.

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

October 2023 flooding — about 7.7 km from the centre
January 2021 flooding — about 3.1 km from the centre
January 2021 flooding — about 2.1 km from the centre
January 2021 flooding — about 1.9 km from the centre

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

🏠 Buying or renting in SL0? 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

SL1 SL2 SL3 SL4 SL5 SL6 SL7 SL8

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.