Does MK46 flood?

Yes — parts of the MK46 district carry real flood risk: 12 of its 19 at-risk postcodes reach the Environment Agency's High likelihood band. The MK46 postcode district covers Olney, close to Turvey, Newport Pagnell, Bromham, and surrounding villages in parts of City of Milton Keynes and Bedford.

19 postcodes in the MK46 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 12 high, 4 medium, 3 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 MK46 postcodes are at risk?

MK46 4AD up to High MK46 4DF up to High MK46 4DW up to High MK46 4EJ up to High MK46 4ET up to High MK46 4EU up to High MK46 4HH up to High MK46 5FB up to High MK46 5FD up to High MK46 5FJ up to High MK46 5JP up to High MK46 5JZ up to High MK46 4EY up to Medium MK46 4HB up to Medium MK46 4JA up to Medium MK46 5JL up to Medium MK46 0JN up to Low MK46 4HN up to Low MK46 4JG up to Low

Rivers and flooding history near MK46

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

Olney on the River Great Ouse — 2.1 km away, highest on record 1.17m
Turvey on the River Great Ouse — 3.9 km away, highest on record 1.76m
Newport Pagnell on the River Great Ouse — 8.3 km away, highest on record 1.87m
NEWPORT PAGNELL GS — 8.3 km away

68 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (52 at warning level or above), most recently 16 January 2026. Warnings cover flood areas, not individual addresses.

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

Easter 1998 (1998) — about 4.2 km from the centre
August 1980 (1980) — about 2.1 km from the centre
March 1947 (1947) — about 0.3 km from the centre

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

🏠 Buying or renting in MK46? 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

MK45 MK44 MK43 MK42 MK41 MK40 MK19 MK18

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.