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Does DN40 1DF flood?

Immingham, North East Lincolnshire

Up to Low likelihood

Properties in DN40 1DF 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 bandAnnual chancePropertiesOf which homes
Highgreater than 3.3%00
Medium1% – 3.3%00
Low0.1% – 1%1616
Very lowbelow 0.1%32

Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.

The ground around DN40 1DF

The ground here sits at about 2 m above sea level and falls 5 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the north, 1.4 m higher.

Shaded relief map of the ground around DN401DF, computed from Environment Agency LiDAR. The ground here sits at about 2 m above sea level and falls 5 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the north, 1.4 m higher.
Shaded relief of the bare ground within about 400 m of DN40 1DF, 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 DN40 1DF — £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 DN40 1DF

FloodRadarProperty Flood-Risk Report
DN40 1DF
Moderate flood risk — investigate further

Because properties in the low likelihood band; 5 recorded floods nearby; 117 official warnings since 2006.

C 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: Yes ⚑ Flood defences within 500 m: No ⚑ In flood zone 2 or 3: ···
Rivers & sea
Up to Low
Surface water
···
Groundwater
Not assessed
Historic flooding
Recorded nearby
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 DN40 1DF. 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 DN40 1DF

117
flood alerts & warnings within 10 km since 2006
18
of them full flood warnings or severe warnings
2026
most recent warning nearby (2026-03-14)

Warnings cover flood areas, not individual addresses.

Recorded floods near this postcode

DateRecorded floodApprox. distance
Feb 2020 2020 February Flood Incident - Storm Dennis ~52.5 km
Feb 2020 2020 February Flood Incident - Storm Ciara ~62.6 km
Nov 2019 2019 November Flood Incident ~67.8 km
Dec 2013 LNA_2013_12_Tidal_Witham_Haven ~12.4 km
Jan 1953 LNA_1953_01_Lincolnshire Coastline ~33.1 km

EA Recorded Flood Outlines — absence of a record never proves a place has not flooded. The full report tests whether any extent covered the exact spot.

Named storms that brought flooding here

2013-14 UK winter floods (2013, 16 warnings nearby) · 2007 UK floods (2007, 8 warnings nearby) · Emma (2018, 2 warnings nearby) · Ashley (2024, 1 warnings nearby)

The rivers that matter for DN40 1DF

GaugeRiverDistanceTypical highHighest on record
River Freshney Grimsby Laceby Beck 7.8 km 0.78 m 1.20 m
Laceby Laceby Beck 8.2 km 0.55 m 1.44 m
LACEBY BECK GS — 8.2 km — —
Salt end Burstwick Drain 13.3 km — 2.67 m

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
Immingham Water Recycling Centre The River Humber 2.7 km 82 (2024) 368
Eastfield Road/a180 Cso Unmd Drain Trib. Riv. Humber 3.5 km 21 (2024) 69
Stallingborough-s Marsh Lane Sps Un-named Trib Old Fleet Drain 3.7 km 0 (2024) 0
South Killingholme Town Street Cso Trib Of S.killingholme Haven 3.9 km 15 (2024) 13

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

DN40 1AA up to Low DN40 1AB up to High DN40 1AD up to Low DN40 1AG up to Very low DN40 1AH up to High DN40 1AL up to Very low DN40 1AN up to Very low DN40 1AP up to Very low DN40 1AR up to Low DN40 1AT up to Low DN40 1AW up to Medium DN40 1AX up to Low

At-risk postcodes near DN40 1DF — all in the DN40 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. 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 DN40 district.