Does PE27 flood?

Yes — parts of the PE27 district carry real flood risk: 88 of its 247 at-risk postcodes reach the Environment Agency's High likelihood band. The PE27 postcode district covers Holywell-cum-Needingworth, close to St Ives, Hemingford Grey, Houghton, and surrounding villages in Cambridgeshire.

247 postcodes in the PE27 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 88 high, 56 medium, 100 low, 3 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 PE27 postcodes are at risk?

PE27 3DB up to High PE27 3DY up to High PE27 3HE up to High PE27 3LF up to High PE27 3LH up to High PE27 3ND up to High PE27 3QY up to High PE27 3TZ up to High PE27 3UJ up to High PE27 3UN up to High PE27 3UP up to High PE27 3UT up to High PE27 3UU up to High PE27 3UW up to High PE27 3UX up to High PE27 3UY up to High PE27 3WR up to High PE27 3WS up to High PE27 3XY up to High PE27 3YD up to High PE27 3YU up to High PE27 4AA up to High PE27 4AE up to High PE27 4LG up to High PE27 4NB up to High PE27 4TG up to High PE27 4TN up to High PE27 4TW up to High PE27 4YA up to High PE27 5AS up to High PE27 5BB up to High PE27 5BD up to High PE27 5BN up to High PE27 5BP up to High PE27 5BQ up to High PE27 5BX up to High PE27 5BY up to High PE27 5BZ up to High PE27 5DE up to High PE27 5ED up to High PE27 5EF up to High PE27 5EH up to High PE27 5EP up to High PE27 5ER up to High PE27 5ET up to High PE27 5EW up to High PE27 5EY up to High PE27 5FD up to High PE27 5GT up to High PE27 5GU up to High PE27 5JR up to High PE27 5JS up to High PE27 5JT up to High PE27 5JW up to High PE27 5LB up to High PE27 5NT up to High PE27 5NU up to High PE27 5PD up to High PE27 5PH up to High PE27 5PJ up to High PE27 5PL up to High PE27 5PN up to High PE27 5PP up to High PE27 5PR up to High PE27 5PX up to High PE27 5PY up to High PE27 5PZ up to High PE27 5QB up to High PE27 5QH up to High PE27 5QJ up to High PE27 5QN up to High PE27 5QP up to High PE27 5QR up to High PE27 5QY up to High PE27 5RJ up to High PE27 5UW up to High PE27 5XG up to High PE27 6DG up to High PE27 6DL up to High PE27 6HN up to High PE27 6HP up to High PE27 6HR up to High PE27 6HT up to High PE27 6HY up to High PE27 6JL up to High PE27 6NZ up to High PE27 6RP up to High PE27 6TX up to High PE27 4JH up to Medium PE27 4ZB up to Medium PE27 5AZ up to Medium PE27 5DB up to Medium PE27 5DG up to Medium PE27 5DH up to Medium PE27 5DJ up to Medium PE27 5DL up to Medium PE27 5DQ up to Medium PE27 5DR up to Medium PE27 5DW up to Medium PE27 5EL up to Medium PE27 5ES up to Medium PE27 5EU up to Medium PE27 5EX up to Medium PE27 5EZ up to Medium PE27 5FZ up to Medium PE27 5HA up to Medium PE27 5HB up to Medium PE27 5HD up to Medium PE27 5HE up to Medium PE27 5HF up to Medium PE27 5HG up to Medium PE27 5HH up to Medium PE27 5HQ up to Medium PE27 5JG up to Medium PE27 5JJ up to Medium PE27 5JN up to Medium PE27 5JP up to Medium PE27 5JQ up to Medium PE27 5JU up to Medium PE27 5NG up to Medium PE27 5NJ up to Medium PE27 5NQ up to Medium PE27 5NR up to Medium PE27 5NS up to Medium PE27 5PE up to Medium PE27 5PQ up to Medium PE27 5PT up to Medium PE27 5QA up to Medium PE27 5QG up to Medium PE27 5QQ up to Medium PE27 5QU up to Medium PE27 5QW up to Medium PE27 5QZ up to Medium PE27 5RA up to Medium PE27 5RP up to Medium PE27 5SE up to Medium PE27 5WA up to Medium PE27 5WD up to Medium PE27 5WZ up to Medium PE27 5YB up to Medium PE27 5ZG up to Medium PE27 6DJ up to Medium PE27 6DT up to Medium PE27 6HS up to Medium PE27 3AE up to Low PE27 3AF up to Low PE27 3AH up to Low PE27 3AL up to Low PE27 3AN up to Low PE27 3EP up to Low PE27 3FD up to Low PE27 3FE up to Low PE27 3FJ up to Low PE27 3FL up to Low PE27 3FN up to Low PE27 3FP up to Low PE27 3FT up to Low PE27 3FW up to Low PE27 3HF up to Low PE27 3JB up to Low PE27 3JD up to Low PE27 3JE up to Low PE27 3JF up to Low PE27 3JG up to Low PE27 3JQ up to Low PE27 3LG up to Low PE27 3LP up to Low PE27 3LX up to Low PE27 3NG up to Low PE27 3NH up to Low PE27 3NL up to Low PE27 3NN up to Low PE27 3NQ up to Low PE27 3SZ up to Low PE27 3UR up to Low PE27 3WF up to Low PE27 3XB up to Low PE27 3XD up to Low PE27 3XT up to Low PE27 3XU up to Low PE27 3XX up to Low PE27 3YP up to Low PE27 3YR up to Low PE27 3YS up to Low PE27 3YT up to Low PE27 3YY up to Low PE27 3YZ up to Low PE27 5AR up to Low PE27 5AY up to Low PE27 5BA up to Low PE27 5BE up to Low PE27 5BG up to Low PE27 5BH up to Low PE27 5BU up to Low PE27 5DA up to Low PE27 5DN up to Low PE27 5DP up to Low PE27 5DS up to Low PE27 5DT up to Low PE27 5DX up to Low PE27 5DY up to Low PE27 5DZ up to Low PE27 5EA up to Low PE27 5EE up to Low PE27 5EG up to Low PE27 5FG up to Low PE27 5FX up to Low PE27 5JB up to Low PE27 5JD up to Low PE27 5JE up to Low PE27 5JF up to Low PE27 5NA up to Low PE27 5NL up to Low PE27 5NN up to Low PE27 5NX up to Low PE27 5PB up to Low PE27 5PF up to Low PE27 5PG up to Low PE27 5PS up to Low PE27 5PU up to Low PE27 5PW up to Low PE27 5QD up to Low PE27 5QE up to Low PE27 5QF up to Low PE27 5QL up to Low PE27 5QS up to Low PE27 5QT up to Low PE27 5QX up to Low PE27 5RG up to Low PE27 5RL up to Low PE27 5RN up to Low PE27 5RQ up to Low PE27 5SF up to Low PE27 5WH up to Low PE27 5WN up to Low PE27 5WQ up to Low PE27 5YZ up to Low PE27 6DE up to Low PE27 6DH up to Low PE27 6DR up to Low PE27 6HH up to Low PE27 6HL up to Low PE27 6LH up to Low PE27 6SS up to Low PE27 5BL up to Very low PE27 5GA up to Very low PE27 5GF up to Very low

Rivers and flooding history near PE27

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

90 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (4 at warning level or above), most recently 15 February 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in PE27? 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

PE26 PE28 PE25 PE29 PE24 PE30 PE23 PE31

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.