Does Rochford flood?
What the Environment Agency's rivers-and-sea flood-risk data says about Rochford
Ordnance Survey places 36 postcodes in Rochford in the Environment Agency's rivers-and-sea flood-risk dataset (Risk of Flooding from Rivers and Sea). Each postcode is counted once, under the worst band any of its properties reaches; together they hold 426 properties in the EA dataset's likelihood bands.
| EA likelihood band | Postcodes (worst band) | Properties in the EA dataset | of which homes |
|---|---|---|---|
| High | 6 | 33 | 3 |
| Medium | 9 | 44 | 24 |
| Low | 17 | 175 | 123 |
| Very low | 4 | 174 | 161 |
| All bands | 36 | 426 | 311 |
This dataset covers flooding from rivers and the sea only — one of five flood sources. Surface water, groundwater, sewers and reservoirs are assessed separately, so a postcode missing from it is not proof that a place cannot flood. The band describes the land around properties (allowing for defences), not any single address and not today's conditions.
Rivers and live river levels near Rochford
Environment Agency gauges within 10 km of Rochford watch Thames Tideway.
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Southend Tidal
Thames Tideway · 7.2 km away 2.83 mAOD
rises and falls with the tide · 33 min ago
Distances are from the middle of Rochford's at-risk postcodes. Tidal and structure gauges are shown as readings only — the tide and sluice gates move them, not floods. A gauge with no recent reading shows no level.
The watercourse nearest Rochford
The nearest watercourse on the river map is the River Roach, about 100 m from the middle of Rochford's at-risk postcodes. It flows into the River Crouch about 15 km downstream.
- Next gauge downstreamNone before the water reaches tidal water, about 1.1 km downstream (below that, gauges read the tide).
- Nearest gauge upstreamNone on the river map within 30 km upstream.
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on the River Roach nearest the middle of Rochford's at-risk postcodes. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Flood warning areas near Rochford
11 Environment Agency flood warning areas lie within 10 km of Rochford. The EA has issued 92 flood warnings and alerts for them since 2006, most recently on 13 Jun 2025.
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The Eastwood Brook from downstream of Rayleigh Weir and the Prittlewell Brook, to Southend Airport
8 warnings and alerts since 2006, latest Sep 2024 2.3 km -
The River Roach, Prittle Brook and Eastwood Brook at Southend
41 warnings and alerts since 2006, latest Jun 2025 2.4 km -
Southend seafront from the Pier along the Western and Chalkwell Esplanades to Chalkwell
1 warning or alert since 2006, latest Jan 2017 4.9 km -
The Essex coast from Shoeburyness, to and including Southend seafront, from Thorpe Esplanade to Chalkwell Esplanade, including Southchurch Park
18 warnings and alerts since 2006, latest Jan 2025 5.3 km -
Shoeburyness to Southend Pier including Shoebury Common Road, Southchurch Park and Eastern Esplanade
1 warning or alert since 2006, latest Jan 2017 5.5 km -
Hullbridge waterside properties and the Dome Caravan Park
2 warnings and alerts since 2006, latest Jan 2017 6.3 km -
Paglesham, Great Stambridge, Rochford, Little and Great Wakering, Potton Island and Rushley Island
2 warnings and alerts since 2006, latest Dec 2013 7.3 km -
The tidal River Crouch from Creeksea to Battlesbridge, including north and South Fambridge, Hullbridge and South Woodham Ferrers
2 warnings and alerts since 2006, latest Dec 2013 7.6 km -
Leigh-on-Sea frontage including the High Street, Chalkwell to Hadleigh marshes and Two Tree Island
1 warning or alert since 2006, latest Jan 2017 8.2 km -
The Essex coast from Leigh-on-Sea, to and including, Hadleigh Marshes, and Two Tree Island
16 warnings and alerts since 2006, latest Apr 2024 8.2 km -
Burnham-on-Crouch, from Wick Road to Dengie Hundred Sports Centre, including the High Street
no warning on record since 2006 9.5 km
Recorded floods near Rochford
Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of Rochford, most recent first. Records, not floods: no outline on the record is not evidence a place has not flooded. See them on the map →
- 12 Jan 1968 — 1968 September Flood Outline Main river
- 1 Jun 1958 — 1958 Flood Outline Other
- 31 Jan 1953 — 1953 Coast Flood Outline Essex Sea
Rainfall near Rochford
Rochford gets about 542 mm of rain a year on average (wettest month October, 59 mm; driest March, 33 mm). That is 53% drier than the UK as a whole, which averages 1,163 mm a year. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.3 km from the place centre.
The nearest rain gauge, Rainfall station (4.8 km away), recorded 4.4 mm in the last 24 hours and 48.9 mm in the last 7 days (latest reading 33 min ago).
At-risk postcodes in Rochford
Every postcode Ordnance Survey places in Rochford that appears in the EA's rivers-and-sea dataset, worst band first. Each links to its own flood-risk page.
High likelihood (6)
Medium likelihood (9)
Low likelihood (17)
Very low likelihood (4)
Postcode districts
Sources
FloodRadar summarises public flood data. It is not a flood-risk survey of any property, and it does not replace official GOV.UK flood warnings or the GOV.UK long-term flood risk service.
Flood-risk bands: © 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, flood warning areas and warning history © Environment Agency copyright and/or database right 2025. Licensed under the Open Government Licence v3.0.
River levels and rainfall: Environment Agency real-time flood-monitoring data, updated every 15 minutes (Open Government Licence v3.0).
Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
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.