Does MK4 flood?

Yes — parts of the MK4 district carry real flood risk: 1 of its 5 at-risk postcodes reach the Environment Agency's High likelihood band. The MK4 postcode district covers Shenley Brook End, Tattenhoe, close to Water Eaton, Stony Stratford, Willen, and surrounding villages in parts of City of Milton Keynes and Central Bedfordshire.

5 postcodes in the MK4 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 high, 3 medium, 1 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 MK4 postcodes are at risk?

MK4 1LW up to High MK4 1JL up to Medium MK4 1JN up to Medium MK4 1JW up to Medium MK4 4DH up to Low

Rivers and flooding history near MK4

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

Bletchley on the River Ouzel — 5.6 km away, highest on record 1.90m
WATERHALL BLETCHLEY FGS — 5.6 km away
Stony Stratford on the River Great Ouse — 6.9 km away, highest on record 1.16m
WILLEN GS — 7 km away

75 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (67 at warning level or above), most recently 17 February 2026. Warnings cover flood areas, not individual addresses.

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

August 1980 (1980) — about 0.2 km from the centre

🏠 Buying or renting in MK4? 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

MK3 MK5 MK2 MK6 MK7 MK10 MK11 MK12

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.