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Does CO12 5JN flood?

Not in an at-risk area

CO12 5JN 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 CO12 or get the full picture below.

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Get the full flood report for CO12 5JN — £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 CO12 5JN

FloodRadarProperty Flood-Risk Report
CO12 5JN
Moderate flood risk — investigate further

Because 4 recorded floods nearby; 28 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: Yes ⚑ Flood defences within 500 m: No ⚑ In flood zone 2 or 3: ···
Rivers & sea
···
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 CO12 5JN. 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 CO12 5JN

28
flood alerts & warnings within 10 km since 2013
28
of them full flood warnings or severe warnings
2022
most recent warning nearby (2022-01-05)

Warnings cover flood areas, not individual addresses.

Recorded floods near this postcode

DateRecorded floodApprox. distance
Dec 2013 2013 Flood Outline ~45.8 km
Jan 1968 1968 September Flood Outline ~37.0 km
Jun 1958 1958 Flood Outline ~50.7 km
Jan 1953 1953 Coast Flood Outline Essex ~33.5 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, 12 warnings nearby)

Storm overflows within 5 km

OverflowDischarges intoDistanceSpillsHours
Great Oakley Sparrows Corner Cps Trib River Ramsey 0.8 km 24 (2024) 291
Little Oakley Sps Foulton Hall Ditch 1.4 km 41 (2024) 436
Wix Road Sps Unnamed Trib River Ramsey 2.1 km 0 (2024) 0
Dovercourt Low Road Pumping Station Trib South Hall Creek 3.9 km 2 (2024) 12

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

CO12 5BH up to Very low CO12 5BN up to High CO12 5BQ up to High CO12 5ET up to Very low CO12 5EX up to Very low CO12 5EY up to Low CO12 5HA up to High CO12 5HB up to High CO12 5HD up to Very low CO12 5HH up to Very low CO12 5HL up to High CO12 5HN up to Very low

At-risk postcodes near CO12 5JN — all in the CO12 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 CO12 district.