Does NN29 flood?

Yes — parts of the NN29 district carry real flood risk: 5 of its 13 at-risk postcodes reach the Environment Agency's High likelihood band. The NN29 postcode district covers Irchester, Harrold, close to Cogenhoe, Great Harrowden, Turvey, and surrounding villages in parts of Bedford and West Northamptonshire.

13 postcodes in the NN29 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 5 high, 1 medium, 7 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 NN29 postcodes are at risk?

NN29 7PR up to High NN29 7PT up to High NN29 7TD up to High NN29 7TQ up to High NN29 7TS up to High NN29 7NR up to Medium NN29 7HP up to Low NN29 7JE up to Low NN29 7JH up to Low NN29 7LZ up to Low NN29 7NB up to Low NN29 7NF up to Low NN29 7QS up to Low

Rivers and flooding history near NN29

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

Cogenhoe on the River Nene — 6.9 km away, highest on record 1.24m
GREAT HARROWDEN GS — 9.6 km away
Harrowden on the River Ise — 9.9 km away, highest on record 1.61m
Turvey on the River Great Ouse — 10.1 km away, highest on record 1.76m

134 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (122 at warning level or above), most recently 7 February 2026. Warnings cover flood areas, not individual addresses.

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

LNA_2024_September_GrendonBrook (2024) — about 2 km from the centre
LNA_1998_April_River Nene_d/s Northampton (1998) — about 15.9 km from the centre
Easter 1998 (1998) — about 7.9 km from the centre
LNA_1947_March_River Nene_d/s Northampton (1947) — about 16 km from the centre

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

🏠 Buying or renting in NN29? 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

NN18 NN17 NN16 NN15 NN14 NN13 NN12 NN11

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.