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Does IP3 flood?

Yes — parts of the IP3 district carry real flood risk: 3 of its 31 at-risk postcodes reach the Environment Agency's High likelihood band. The IP3 postcode district covers Holywells, Gainsborough, Alexandra, close to Woodbridge, Harwich, and surrounding villages in parts of Suffolk and Essex.

31 postcodes in the IP3 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 3 high, 2 low, 26 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 IP3 postcodes are at risk?

IP3 0BS up to High IP3 0EA up to High IP3 0EU up to High IP3 0BE up to Low IP3 0DP up to Low IP3 0AE up to Very low IP3 0AG up to Very low IP3 0AH up to Very low IP3 0AQ up to Very low IP3 0AR up to Very low IP3 0AS up to Very low IP3 0AT up to Very low IP3 0AU up to Very low IP3 0AX up to Very low IP3 0AY up to Very low IP3 0BB up to Very low IP3 0BH up to Very low IP3 0BL up to Very low IP3 0BN up to Very low IP3 0BP up to Very low IP3 0BQ up to Very low IP3 0BT up to Very low IP3 0BU up to Very low IP3 0BW up to Very low IP3 0BY up to Very low IP3 0DL up to Very low IP3 0DT up to Very low IP3 0ED up to Very low IP3 0FQ up to Very low IP3 0FR up to Very low IP3 0FS up to Very low

Rivers and flooding history near IP3

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

332 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (38 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 IP3? 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

IP2 IP4 IP1 IP6 IP7 IP8 IP9 IP10

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.