FloodRadar
Log inCreate free account

Does CR9 4ND flood?

Not in an at-risk area

CR9 4ND 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 CR9 or get the full picture below.

The ground around CR9 4ND

The ground here sits at about 35 m above sea level and falls 13 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-west, 2.3 m higher.

Shaded relief map of the ground around CR94ND, computed from Environment Agency LiDAR. The ground here sits at about 35 m above sea level and falls 13 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-west, 2.3 m higher.
Shaded relief of the bare ground within about 400 m of CR9 4ND, 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.
Instant access · no account needed · 14-day money-back guarantee or see the free preview first
Get the full flood report for CR9 4ND — £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 CR9 4ND

FloodRadarProperty Flood-Risk Report
CR9 4ND
Moderate flood risk — investigate further

Because 116 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: No ⚑ Flood defences within 500 m: No ⚑ In flood zone 2 or 3: ···
Rivers & sea
···
Surface water
···
Groundwater
Not assessed
Historic flooding
None within ~1 km
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 CR9 4ND. 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 CR9 4ND

116
flood alerts & warnings within 10 km since 2012
9
of them full flood warnings or severe warnings
2025
most recent warning nearby (2025-07-18)

Warnings cover flood areas, not individual addresses.

Named storms that brought flooding here

2013-14 UK winter floods (2013, 4 warnings nearby) · St Jude storm 2013 (2013, 2 warnings nearby) · Dennis (2020, 2 warnings nearby) · Conall (2024, 1 warnings nearby)

The rivers that matter for CR9 4ND

GaugeRiverDistanceTypical highHighest on record
Beddington Park River Wandle 0.9 km 1.60 m 1.83 m
Waddon Ponds River Wandle 1.3 km 0.32 m 0.43 m
Hackbridge River Wandle 2.0 km 1.94 m 2.04 m
Carshalton Ponds River Wandle 2.6 km 0.43 m 0.57 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
Canterbury Road, Thornton Heath Wandle 1.4 km 2 (2024) 3
Beddington Beddington Effluent Carrier/wa 1.9 km 10 (2024) 48
N/a N/a 3.4 km 4 (2024) 4
Streatham Vale Storm Relief River Graveney 3.9 km 12 (2024) 14

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

CR9 1AR up to High

At-risk postcodes near CR9 4ND — all in the CR9 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 CR9 district.