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Does MK17 9HY flood?

Not in an at-risk area

MK17 9HY has no properties in any Environment Agency recorded flood-risk band. That is good news — but it is area-level and never proof a place cannot flood (surface-water and sewer flooding are assessed separately). See the at-risk postcodes in MK17 or get the full picture below.

The ground around MK17 9HY

The ground here sits at about 103 m above sea level and falls 41 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-west, 12.9 m higher.

Shaded relief map of the ground around MK179HY, computed from Environment Agency LiDAR. The ground here sits at about 103 m above sea level and falls 41 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-west, 12.9 m higher.
Shaded relief of the bare ground within about 400 m of MK17 9HY, computed from the Environment Agency's published LiDAR terrain survey. The ring marks the postcode centre, not a property. This shows the shape of the land, not a flood map — it does not include drains, culverts, walls or kerbs, and the official likelihood band above is the authoritative figure. © Environment Agency copyright and/or database right 2022. All rights reserved.
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Get the full flood report for MK17 9HY — £19 Free preview first · instant access · no account needed The detail below — flood history, warnings, rivers, overflows — is part of FloodRadar's property flood-risk report. The official band above is free; the preview shows more before you decide.

Inside the full report for MK17 9HY

FloodRadarProperty Flood-Risk Report
MK17 9HY
Moderate flood risk — investigate further

Because 76 official warnings since 2006.

A Today — indicative grade (A best → E)
··· By the 2050s — EA climate scenario (in the full report)
⚑ Official warning within 10 km: Yes ⚑ Recorded flood nearby: No ⚑ Flood defences within 500 m: No ⚑ In flood zone 2 or 3: ···
Rivers & sea
···
Surface water
···
Groundwater
Not assessed
Historic flooding
None within ~1 km
Warning history · flood map with building picker · 2050s view · insurance outlook · every dataset receipt — 18 sections

Flood-risk map of this area

Environment Agency flood-likelihood cells
High (>3.3%/yr) Medium Low Very low Marker = postcode centre Base map © OpenStreetMap contributors

The map above shows the real EA rivers & sea likelihood cells around MK17 9HY. The small panels are illustrative previews of the report's per-layer map views — the full report draws each layer for real, plus recorded extents, defences and a building picker on an interactive map.

Official flood warnings near MK17 9HY

76
flood alerts & warnings within 10 km since 2019
56
of them full flood warnings or severe warnings
2025
most recent warning nearby (2025-12-18)

Warnings cover flood areas, not individual addresses.

Named storms that brought flooding here

Henk (2024, 8 warnings nearby) · Bert (2024, 3 warnings nearby) · Conall (2024, 2 warnings nearby)

The rivers that matter for MK17 9HY

GaugeRiverDistanceTypical highHighest on record
Bletchley River Ouzel 6.2 km 0.68 m 1.90 m
WATERHALL BLETCHLEY FGS — 6.2 km — —
Broughton Broughton Brook 8.3 km 0.34 m 1.54 m
CLIPSTONE BROOK GS LEIGHTON BUZZARD WITS DO NOT POLL MANUALLY — 8.4 km — —

Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.

Storm overflows within 5 km

OverflowDischarges intoDistanceSpillsHours
Woburn Stw (ps Only As Of 01/04/90) Crawlwy Brook River Ouzel Nt 0.5 km 85 (2024) 1,459

Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.

Flood defences

No mapped flood-defence assets within 500 m of the postcode centre. Defences reduce risk, never remove it.

What the full property report adds

The interactive flood-risk map with a building picker (your exact house, not the postcode), the 2050s climate view, surface-water and planning flood zones at your building, exact recorded-flood distances, year-by-year warning charts, watercourses including culverted streams, an insurance outlook with the Flood Re rules, and a printable document with every dataset receipt — start with the free preview, unlock for £19.

Flood risk at nearby postcodes

MK17 9BB up to Low MK17 9BD up to High MK17 9BF up to Low MK17 9DB up to High MK17 9DD up to Low MK17 9DT up to Medium MK17 9EA up to High MK17 9EX up to Low MK17 9JH up to High MK17 9PP up to High MK17 9PW up to High

At-risk postcodes near MK17 9HY — all in the MK17 district.

© 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. Recorded Flood Outlines and warning history © Environment Agency copyright and/or database right 2025. Storm-overflow figures: EA Event Duration Monitoring. Flood defences © Environment Agency (OGL v3). This page summarises public area-level data — it is not a flood-risk survey and not a substitute for the official GOV.UK service. All data sources & licences. More postcodes: the MK17 district.