Does UB5 flood?

Yes — parts of the UB5 district carry real flood risk: 1 of its 5 at-risk postcodes reach the Environment Agency's High likelihood band. The UB5 postcode district sits close to Hillingdon, Northolt, Southall and surrounding villages in parts of Greater London and Surrey.

5 postcodes in the UB5 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 high, 2 low, 2 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).

Free preview first · full report £19

Which UB5 postcodes are at risk?

UB5 6PA up to High UB5 6PN up to Low UB5 6PT up to Low UB5 6NZ up to Very low UB5 6PW up to Very low

Rivers and flooding history near UB5

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

Hillingdon, Charville Lane on the Yeading Brook — 1 km away, highest on record 2.52m
Hillingdon, Gutteridge Wood on the Yeading Brook — 1.6 km away, highest on record 2.01m
Northholt, Yeading East on the Yeading Brook (Eastern Arm) — 1.8 km away, highest on record 1.05m
Yeading, Brookside Road on the Yeading Brook — 2.2 km away, highest on record 1.36m

348 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (26 at warning level or above), most recently 28 August 2026. Warnings cover flood areas, not individual addresses.

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

EA06SeptemberAutumn2024 (2024) — about 2.2 km from the centre
October 2023 flooding — about 4.1 km from the centre
August 2015 flooding — about 2.2 km from the centre
Winter 2013/2014 (2013) — about 13.3 km from the centre

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

🏠 Buying or renting in UB5? 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

UB4 UB6 UB3 UB7 UB2 UB8 UB1 UB9

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.