Does DN21 5BQ flood?

Up to Medium likelihood

Properties in DN21 5BQ sit in the Environment Agency's Medium 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%	2	2
Low	0.1% – 1%	0	0
Very low	below 0.1%	0	0

Over a 25-year mortgage, a property in a medium-likelihood area has a 22–57% chance of flooding at least once.

The ground around DN21 5BQ

The ground here sits at about 9 m above sea level and falls 11 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the east-south-east, 2.8 m higher.

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Get the full flood report for DN21 5BQ — £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 DN21 5BQ

FloodRadarProperty Flood-Risk Report

DN21 5BQ

Moderate flood risk — investigate further

Because properties in the medium likelihood band; 6 recorded floods nearby; 223 official warnings since 2006.

D 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 Medium

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

Rivers & sea likelihood · illustrative

Surface water (flash flooding) · illustrative

Flood Zones 2 & 3 (planning) · illustrative

2050s projection (climate) · illustrative

The map above shows the real EA rivers & sea likelihood cells around DN21 5BQ. 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 DN21 5BQ

223

flood alerts & warnings within 10 km since 2006

of them full flood warnings or severe warnings

2026

most recent warning nearby (2026-03-13)

Warnings cover flood areas, not individual addresses.

Recorded floods near this postcode

Date	Recorded flood	Approx. distance
Feb 2020	2020 February Flood Incident - Storm Dennis	~50.0 km
Nov 2019	2019 November Flood Incident	~42.2 km
Mar 1947	Tidal Trent March 1947 DNL	~2.8 km
Mar 1947	Tidal Trent 1947	~4.6 km
Mar 1947	Tidal Trent March 1947	~4.1 km
Mar 1947	LNA_1947_March_Tidal Trent	~1.4 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

2007 UK floods (2007, 11 warnings nearby) · 2013-14 UK winter floods (2013, 5 warnings nearby) · Henk (2024, 4 warnings nearby) · Chandra (2026, 2 warnings nearby)

The rivers that matter for DN21 5BQ

Gauge	River	Distance	Typical high	Highest on record
Squires Bridge	River Till	4.4 km	2.87 m	4.34 m
Torksey	River Trent	5.6 km	4.65 m	7.42 m
Fosdyke Jetty	Fosdyke Canal	15.6 km	1.90 m	2.43 m
Brayford Pool	River Witham	16.0 km	0.79 m	1.36 m

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

Storm overflows within 5 km

Overflow	Discharges into	Distance	Spills	Hours
Willingham(lincs) Stw	River Till River Witham Nt	2.4 km	54 (2024)	291
Kexby Pumping Station	Unnamed Dyke Leading Padmoor D	2.7 km	3 (2024)	29
Sturton By Stow Stw	Sturton Beck River Till Nt	3.9 km	32 (2024)	235

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

DN21 5AH up to Very low DN21 5AL up to Low DN21 5AN up to Low DN21 5AP up to High DN21 5AR up to Medium DN21 5AW up to Medium DN21 5FG up to Very low DN21 5JH up to Medium DN21 5JT up to Very low DN21 5JX up to High DN21 5JZ up to Low DN21 5LH up to Very low

At-risk postcodes near DN21 5BQ — all in the DN21 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 DN21 district.