Does SW1X flood?

Only lower-likelihood flood risk is recorded in SW1X: none of its 1 listed postcodes goes beyond the Low band. The SW1X postcode district covers Knightsbridge & Belgravia, close to Westminster, Tower Pier, Barnes, and surrounding villages in Greater London.

1 postcode in the SW1X district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 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 SW1X postcodes are at risk?

SW1X 8BU up to Very low

Rivers and flooding history near SW1X

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

Barnes on the Beverley Brook — 7.1 km away, highest on record 2.03m
Summerstown on the River Wandle — 8 km away, highest on record 3.23m
Wandle Park Side Channel on the River Wandle — 8.9 km away, highest on record 1.24m
Wandle Park Main Channel on the River Wandle — 8.9 km away, highest on record 2.00m

1,035 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (1 at warning level or above), most recently 29 September 2026. Warnings cover flood areas, not individual addresses.

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

TTD_FEO_1928 (1928) — about 4.8 km from the centre
TTD_FEO_1928 (1928) — about 2.4 km from the centre

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

🏠 Buying or renting in SW1X? 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

SW1A SW1E SW1H SW1P SW1V SW1W SW3 SW6

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.