Does CB6 flood?

Yes — parts of the CB6 district carry real flood risk: 9 of its 136 at-risk postcodes reach the Environment Agency's High likelihood band. The CB6 postcode district covers Littleport, Downham Villages, Sutton, Stretham, close to Welches Dam, Ely, Little Thetford, and surrounding villages in parts of Cambridgeshire and Norfolk.

136 postcodes in the CB6 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 9 high, 119 medium, 6 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).

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Which CB6 postcodes are at risk?

CB6 2AR up to High CB6 2AU up to High CB6 2AX up to High CB6 2AZ up to High CB6 2BE up to High CB6 3HL up to High CB6 3HR up to High CB6 3LF up to High CB6 3LU up to High CB6 1EE up to Medium CB6 1EF up to Medium CB6 1EG up to Medium CB6 1EH up to Medium CB6 1EJ up to Medium CB6 1EL up to Medium CB6 1EN up to Medium CB6 1EQ up to Medium CB6 1ER up to Medium CB6 1EW up to Medium CB6 1FB up to Medium CB6 1FW up to Medium CB6 1FZ up to Medium CB6 1JB up to Medium CB6 1JH up to Medium CB6 1JN up to Medium CB6 1JW up to Medium CB6 1LJ up to Medium CB6 1LN up to Medium CB6 1LQ up to Medium CB6 1NT up to Medium CB6 1PE up to Medium CB6 1PU up to Medium CB6 1PX up to Medium CB6 1PY up to Medium CB6 1QD up to Medium CB6 1QF up to Medium CB6 1QG up to Medium CB6 1QZ up to Medium CB6 1RA up to Medium CB6 1RD up to Medium CB6 1RG up to Medium CB6 1RH up to Medium CB6 1RJ up to Medium CB6 1RL up to Medium CB6 1RN up to Medium CB6 1RP up to Medium CB6 1RQ up to Medium CB6 1RR up to Medium CB6 1RS up to Medium CB6 1RT up to Medium CB6 1RU up to Medium CB6 1RW up to Medium CB6 1SE up to Medium CB6 1SF up to Medium CB6 1ST up to Medium CB6 1XX up to Medium CB6 2AY up to Medium CB6 2BD up to Medium CB6 2BG up to Medium CB6 2BH up to Medium CB6 2BJ up to Medium CB6 2BQ up to Medium CB6 2BW up to Medium CB6 2BZ up to Medium CB6 2DA up to Medium CB6 2DB up to Medium CB6 2DD up to Medium CB6 2DF up to Medium CB6 2DG up to Medium CB6 2DN up to Medium CB6 2DP up to Medium CB6 2DQ up to Medium CB6 2DR up to Medium CB6 2DT up to Medium CB6 2DU up to Medium CB6 2DW up to Medium CB6 2DX up to Medium CB6 2DY up to Medium CB6 2DZ up to Medium CB6 2EB up to Medium CB6 2ED up to Medium CB6 2EF up to Medium CB6 2EG up to Medium CB6 2EH up to Medium CB6 2EJ up to Medium CB6 2EL up to Medium CB6 2EN up to Medium CB6 2EP up to Medium CB6 2EQ up to Medium CB6 2ER up to Medium CB6 2ES up to Medium CB6 2EW up to Medium CB6 2FF up to Medium CB6 2FH up to Medium CB6 2FJ up to Medium CB6 2HG up to Medium CB6 2HZ up to Medium CB6 2JE up to Medium CB6 2JF up to Medium CB6 2JT up to Medium CB6 2LE up to Medium CB6 2NE up to Medium CB6 2NZ up to Medium CB6 2PA up to Medium CB6 2PB up to Medium CB6 2PD up to Medium CB6 2PQ up to Medium CB6 2SR up to Medium CB6 2TX up to Medium CB6 2TY up to Medium CB6 2TZ up to Medium CB6 2UA up to Medium CB6 2UB up to Medium CB6 2UD up to Medium CB6 2UE up to Medium CB6 2UF up to Medium CB6 2UG up to Medium CB6 2WA up to Medium CB6 3PA up to Medium CB6 3PB up to Medium CB6 3PD up to Medium CB6 3PF up to Medium CB6 3PN up to Medium CB6 3PX up to Medium CB6 3PZ up to Medium CB6 3TJ up to Medium CB6 3TL up to Medium CB6 3TU up to Medium CB6 1FU up to Low CB6 1JL up to Low CB6 3FT up to Low CB6 3HB up to Low CB6 3LG up to Low CB6 3LJ up to Low CB6 3HY up to Very low CB6 3HZ up to Very low

Rivers and flooding history near CB6

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

106 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006, most recently 28 February 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 CB6? 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

CB5 CB7 CB4 CB8 CB3 CB9 CB10 CB2

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.