Does CM5 9PL flood?

Not in an at-risk area

CM5 9PL 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 CM5 or get the full picture below.

The ground around CM5 9PL

The ground here sits at about 44 m above sea level and falls 21 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the west, 3.6 m higher.

Shaded relief map of the ground around CM59PL, computed from Environment Agency LiDAR. The ground here sits at about 44 m above sea level and falls 21 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the west, 3.6 m higher.
Shaded relief of the bare ground within about 400 m of CM5 9PL, 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 CM5 9PL — £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 CM5 9PL

FloodRadarProperty Flood-Risk Report
CM5 9PL
Moderate flood risk — investigate further

Because 6 recorded floods nearby; 80 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: Yes ⚑ 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 CM5 9PL. 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 CM5 9PL

80
flood alerts & warnings within 10 km since 2011
8
of them full flood warnings or severe warnings
2026
most recent warning nearby (2026-02-16)

Warnings cover flood areas, not individual addresses.

Recorded floods near this postcode

DateRecorded floodApprox. distance
Oct 2001 06OctoberAutumn2001 ~3.9 km
Oct 1993 06OctoberAutumn1993 ~3.9 km
Jan 1993 06OctoberAutumn1993 ~3.7 km
Jan 1993 06JuneSummer1993 ~3.7 km
Jan 1992 06OctoberAutumn1992 ~6.2 km
Jan 1987 06SeptemberSummer1987 ~2.4 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

2013-14 UK winter floods (2013, 16 warnings nearby) · Henk (2024, 3 warnings nearby) · Fergus (2023, 1 warnings nearby) · Elin (2023, 1 warnings nearby)

The rivers that matter for CM5 9PL

GaugeRiverDistanceTypical highHighest on record
Shonks Mill Bridge River Roding 2.5 km 1.88 m 2.39 m
High Ongar River Roding 4.3 km 1.45 m 2.18 m
Moreton Cripsey Brook 6.6 km 2.00 m 4.06 m
Abridge River Roding 8.2 km 2.10 m 2.68 m

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

Flood defences

6 mapped flood-defence assets within 500 m — nearest ~309 m (natural high ground). 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

At-risk postcodes near CM5 9PL — all in the CM5 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 CM5 district.