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Bozeat, North Northamptonshire
Up to Low likelihood
Properties in NN29 7LZ sit in the Environment Agency's Low flood-likelihood band (worst property). The band is the worst found in the postcode — it describes the land around properties (defence-adjusted, rivers & sea), not any single address, and not today's conditions.
| Likelihood band | Annual chance | Properties | Of which homes |
|---|---|---|---|
| High | greater than 3.3% | 0 | 0 |
| Medium | 1% – 3.3% | 0 | 0 |
| Low | 0.1% – 1% | 1 | 1 |
| Very low | below 0.1% | 0 | 0 |
Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.
NN29 7LZ gets about 635 mm of rain a year on average (wettest month October, 66 mm; driest March, 39 mm). That is 45% drier than the UK as a whole, which averages 1,163 mm a year.
A thirty-year average for the surrounding area, not a measurement at this address and not a flood risk on its own: a dry area floods when a storm sits over it, and a wet one may drain away perfectly well. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.8 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
The ground here sits at about 71 m above sea level and falls 23 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the east-north-east, 10.0 m higher.
The river map has no watercourse within 1 km of the centre of NN29 7LZ.
That means this spot is not on the river map, not that there is no water here: Ordnance Survey’s river map (OS Open Rivers) leaves out small streams, ditches and culverts. Contains OS data © Crown copyright and database rights 2026.
Because properties in the low likelihood band; 4 recorded flood outlines mapped nearby; 140 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around NN29 7LZ. 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.
Warnings cover flood areas, not individual addresses.
| Date | Mapped flood extent | Approx. distance |
|---|---|---|
| Apr 1998 | LNA_1998_April_River Nene_d/s Northampton | ~18.1 km |
| Jan 1998 | Easter 1998 | ~5.8 km |
| Mar 1947 | LNA_1947_March_River Nene_d/s Northampton | ~18.0 km |
| Jan 1947 | March 1947 | ~6.1 km |
These are extents the Environment Agency has mapped, not a list of every flood. Records, not floods: no outline on the record is not evidence a place has not flooded. The full report tests whether any extent covered the exact spot.
Bert (2024, 11 warnings nearby) ▶ replay it here · Conall (2024, 8 warnings nearby) ▶ replay it here · Henk (2024, 8 warnings nearby) ▶ replay it here · 2013-14 UK winter floods (2013, 8 warnings nearby) ▶ replay it here
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Cogenhoe | River Nene | 7.4 km | 0.61 m | 1.24 m |
| Turvey | River Great Ouse | 7.8 km | 0.72 m | 1.76 m |
| Olney | River Great Ouse | 8.8 km | 0.37 m | 1.17 m |
| Sharnbrook | River Great Ouse | 10.6 km | 0.84 m | 2.13 m |
Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.
| Overflow | Discharges into | Distance | Spills | Hours |
|---|---|---|---|---|
| Sso | Grendon Brook | 0.0 km | 16 (2024) | 8 |
| Bozeat Stw | Grendon Brook River Nene | 0.3 km | 98 (2024) | 1,494 |
| Easton Maudit Wrc | Trib Of The Grendon Brook | 1.8 km | 46 (2024) | 612 |
| Grendon Stw | River Chater | 2.4 km | 50 (2024) | 469 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
6 mapped flood-defence assets within 500 m — nearest ~17 m (natural high ground). Defences reduce risk, never remove it.
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.
At-risk postcodes near NN29 7LZ — all in the NN29 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. Place names: Contains OS data © Crown copyright and database rights 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0. Recorded Flood Outlines and warning history © Environment Agency copyright and/or database right 2025. Storm-overflow figures: EA Event Duration Monitoring (England); live overflow status © the water companies, incl. Dŵr Cymru Welsh Water and Scottish Water. 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 NN29 district.