FloodRadar
Log inCreate free account

Explore FloodRadar

Explore the map
Weather
Why ?

Does TW11 flood?

Yes — parts of the TW11 district carry real flood risk: 55 of its 116 at-risk postcodes reach the Environment Agency's High likelihood band. The TW11 postcode district covers Hampton Wick & South Teddington, Teddington, Ham, Petersham & Richmond Riverside, close to Trowlock Island, Kingston Upon Thames, East Molesey, and surrounding villages in parts of England and Surrey.

116 postcodes in the TW11 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 55 high, 9 medium, 51 low, 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 TW11 postcodes are at risk?

TW11 8AG up to High TW11 8AW up to High TW11 8AX up to High TW11 8AY up to High TW11 8AZ up to High TW11 8BA up to High TW11 8BE up to High TW11 8BF up to High TW11 8BG up to High TW11 8BH up to High TW11 8BL up to High TW11 8BN up to High TW11 8BP up to High TW11 8BQ up to High TW11 9FB up to High TW11 9FG up to High TW11 9FH up to High TW11 9FJ up to High TW11 9FL up to High TW11 9HX up to High TW11 9JR up to High TW11 9JT up to High TW11 9JU up to High TW11 9JX up to High TW11 9NG up to High TW11 9NH up to High TW11 9NL up to High TW11 9NN up to High TW11 9NP up to High TW11 9NR up to High TW11 9NS up to High TW11 9NU up to High TW11 9NW up to High TW11 9NX up to High TW11 9NY up to High TW11 9PA up to High TW11 9PG up to High TW11 9PJ up to High TW11 9PL up to High TW11 9PN up to High TW11 9PP up to High TW11 9PW up to High TW11 9QH up to High TW11 9QJ up to High TW11 9QL up to High TW11 9QN up to High TW11 9QP up to High TW11 9QQ up to High TW11 9QR up to High TW11 9QS up to High TW11 9QT up to High TW11 9QX up to High TW11 9QY up to High TW11 9QZ up to High TW11 9RL up to High TW11 8NG up to Medium TW11 9JP up to Medium TW11 9ND up to Medium TW11 9PF up to Medium TW11 9QW up to Medium TW11 9RJ up to Medium TW11 9RN up to Medium TW11 9RR up to Medium TW11 9RS up to Medium TW11 8AN up to Low TW11 9DD up to Low TW11 9DE up to Low TW11 9DG up to Low TW11 9DH up to Low TW11 9DQ up to Low TW11 9DY up to Low TW11 9HD up to Low TW11 9HE up to Low TW11 9HF up to Low TW11 9HY up to Low TW11 9HZ up to Low TW11 9JA up to Low TW11 9JB up to Low TW11 9JD up to Low TW11 9JE up to Low TW11 9JF up to Low TW11 9JG up to Low TW11 9JJ up to Low TW11 9JN up to Low TW11 9JS up to Low TW11 9LA up to Low TW11 9LE up to Low TW11 9LF up to Low TW11 9LG up to Low TW11 9LH up to Low TW11 9LJ up to Low TW11 9LL up to Low TW11 9LN up to Low TW11 9LP up to Low TW11 9LQ up to Low TW11 9LR up to Low TW11 9LS up to Low TW11 9LU up to Low TW11 9LW up to Low TW11 9LX up to Low TW11 9LY up to Low TW11 9LZ up to Low TW11 9NA up to Low TW11 9NB up to Low TW11 9NE up to Low TW11 9NJ up to Low TW11 9PB up to Low TW11 9PD up to Low TW11 9PH up to Low TW11 9PQ up to Low TW11 9PR up to Low TW11 9PT up to Low TW11 9QU up to Low TW11 9RH up to Low TW11 9RT up to Low TW11 9HA up to Very low

Rivers and flooding history near TW11

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

1,486 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (55 at warning level or above), most recently 15 August 2026. Warnings cover flood areas, not individual addresses.

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

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

🏠 Buying or renting in TW11? 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

TW10 TW12 TW13 TW9 TW14 TW8 TW15 TW7

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.