Does Hackney flood?

What the Environment Agency's rivers-and-sea flood-risk data says about Hackney

Ordnance Survey places 105 postcodes in Hackney 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 2,743 properties in the EA dataset's likelihood bands.

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 Hackney

Environment Agency gauges within 10 km of Hackney watch River Lee, Thames Tideway, River Roding, Ching Brook, Pymmes Brook, Salmon Brook, Loxford Water.

• Lea Bridge
  River Lee · 3.2 km away 5.87 mASD
  normal range · rising · 30 min ago
• Walthamstow, Low Hall Structure
  River Lee · 3.7 km away 0.03 mASD
  controlled by a sluice or weir · 30 min ago
• Tower Pier Tidal
  Thames Tideway · 5.5 km away 3.21 mAOD
  rises and falls with the tide · 30 min ago
• Redbridge
  River Roding · 5.9 km away No recent reading
  last reported 11 Sep 2026 10:00
• Charlton Tidal
  Thames Tideway · 6.1 km away 3.55 mAOD
  rises and falls with the tide · 30 min ago
• Walthamstow
  Ching Brook · 6.7 km away 1.03 mASD
  normal range · steady · 30 min ago
• Silvertown Tidal
  Thames Tideway · 7.5 km away 3.57 mAOD
  rises and falls with the tide · 30 min ago
• Westminster Tidal
  Thames Tideway · 8.2 km away 2.81 mAOD
  rises and falls with the tide · 30 min ago
• Edmonton, Silver Street
  Pymmes Brook · 8.4 km away 0.05 mASD
  normal range · steady · 30 min ago
• Chingford
  Ching Brook · 8.7 km away 0.17 mASD
  normal range · steady · 30 min ago
• Edmonton Green
  Salmon Brook · 9.4 km away 0.07 mASD
  normal range · steady · 30 min ago
• Seven Kings Park
  Loxford Water · 9.6 km away No recent reading
  last reported 11 Sep 2026 10:00

Distances are from the middle of Hackney'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.

Flood warning areas near Hackney

37 Environment Agency flood warning areas lie within 10 km of Hackney. The EA has issued 145 flood warnings and alerts for them since 2006, most recently on 3 Mar 2026.

• The Lower River Lee at Stratford including Mill Meads 1.5 km
• The Lower River Lee at Hackney and Walthamstow including Lea Bridge, Hackney Marsh and Hackney Wick 2.3 km
• River Thames at Mill Meads and East Plaistow including Star Lane, Plaistow, Mill Meads and south Stratford Marshes 3.2 km
• River Thames at the Isle of Dogs north of South Dock including Canary Wharf, Blackwall, South Bromley, Poplar and Limehouse 3.8 km
• The Lower River Lee from West Ham to Canning Town 3.9 km
• River Thames from the Limehouse Basin to Blackfriar's Bridge including Shadwell, Wapping, St. Katherines Dock and Upper Thames Street 5.0 km
• River Thames including areas in the boroughs of Tower Hamlets, the City of London, the City of Westminster and Kensington & Chelsea
  2 warnings and alerts since 2006, latest Feb 2008 5.3 km
• River Thames from Deptford Creek to Rotherhithe Station including east Deptford, Convoys Wharf, Surrey Docks, Canada Water and the riverside at Rotherhithe 5.4 km
• River Thames at the Isle of Dogs south of South Dock including areas around West India and Millwall Docks, Cubitt Town, and Mudchute 5.6 km
• River Thames from Rotherhithe Station to London Bridge including Rotherhithe, north Bermondsey and London Bridge 6.0 km
• River Thames riverside from the Thames Barrier to Putney Bridge
  103 warnings and alerts since 2006, latest Mar 2026 6.2 km
• River Thames at Beckton including Canning Town, Custom House, and Beckton 6.2 km

Recorded floods near Hackney

Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of Hackney, most recent first. Absence of a record does not mean a place has never flooded. See them on the map →

• 10 Jan 2024 — EA06JanuaryWinter2024 Drainage
• 14 Jan 2021 — eaJanuaryWinter2021
• 10 May 2020 — ea06MaySpring2020 Main river
• 1 Oct 2000 — 06OctoberAutumn2000 Main river
• 1 Jan 2000 — 06DecemberWinter2000 Main river
• 1 Jan 1987 — 06JulySummer1987 Main river
• 1 Jan 1974 — 06NovemberAutumn1974 Main river
• 1 Jan 1953 — JanuaryWinter1953 Main river
• 1 Jan 1953 — TTD_FEO_1953 Sea
• 7 Mar 1947 — 06MarchSpring1947 Main river
• 1 Jan 1947 — 06MarchSpring1947 Main river
• 6 Jan 1928 — TTD_FEO_1928 Main river

…and 1 earlier recorded flood on the map.

Rainfall near Hackney

The nearest rain gauge, Rainfall station (5.8 km away), recorded 0.0 mm in the last 24 hours and 0.0 mm in the last 7 days (latest reading 1 h ago).

At-risk postcodes in Hackney

Every postcode Ordnance Survey places in Hackney that appears in the EA's rivers-and-sea dataset, worst band first. Each links to its own flood-risk page.

High likelihood (91)

Medium likelihood (5)

Low likelihood (4)

Very low likelihood (5)

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.