Flood risk by area (outcode)
Area-level flood context from Environment Agency data — flood zones, recorded flood history and climate-change river-flow uplift — for high-demand England outcodes. Flood risk is mapped street by street, so use these for the area picture, then check the exact address with the flood-risk tool.
Central London on the tidal Thames floodplain, protected by the Thames Barrier.
South-bank riverside between London Bridge and Bermondsey, tidal Thames frontage.
Isle of Dogs sits within the tidal Thames loop, barrier-protected reclaimed land.
Former docklands beside the Thames and the Royal Docks.
Lower Thames at Twickenham, an area with a long fluvial flood history.
Confluence of the River Brent and the tidal Thames.
Staines flooded badly in the 2014 Thames floods.
Riverside town centre on the non-tidal Thames.
Low-lying Thames meadows around Hampton Court.
Thames valley villages with repeat fluvial flooding.
Thames frontage below Windsor, Datchet flooded in 2014.
Upper Thames market town with a documented flood history.
Calder valley town hit by the 2012, 2015 and 2020 floods.
Calderdale town in a steep, flash-flood-prone valley.
River Aire through central Leeds, flooded December 2015.
Lower Aire valley south of Leeds city centre.
Ouse–Foss confluence; York floods repeatedly, notably 2000 and 2015.
Swale/Cod Beck market town with a flood history.
Low-lying Humberhead Levels port town.
River Calder through Wakefield.
Below-sea-level city; the 2007 floods were among England's worst.
Low-lying eastern Hull beside the Humber.
Humber estuary port at tidal-flood risk.
Coastal Lincolnshire resort on the Humber mouth.
Nene valley city on the edge of the Fens.
Fenland town on the tidal River Nene, surge-flood exposed.
Great Ouse/Wash town hit by the 1953 and 1978 surges.
Isle of Ely amid the drained Fens.
River Wensum through the city centre.
Broads and coast at combined tidal and surface-water risk.
Suffolk coast at tidal and coastal-erosion risk.
Tidal Colne estuary villages.
Moorland heart of the 2013–14 Somerset Levels floods.
Tidal Parrett town on the Somerset Levels.
Low-lying Brue valley on the Levels.
Exe estuary town at tidal-flood risk.
North Devon coast and steep flash-flood catchments.
South Devon coast with tidal and rail-line flood exposure.
Tamar/Plym estuaries waterfront city.
Tidal head of three rivers; Truro centre floods on spring tides.
Severn city flooded severely in 2007.
Severn–Avon confluence; the iconic 2007 flood town.
Severn through the city; the cricket ground floods most winters.
Severn loop encircling the town centre.
River Wye through Hereford, record floods in 2020.
Severn-adjacent new town catchments.
Stour valley, West Midlands surface-water risk.
Eden/Petteril/Caldew city flooded in 2005 and 2015 (Storm Desmond).
Lune valley city; Storm Desmond flooding in 2015.
River Ribble through Preston.
Irwell valley; the 2015 Boxing Day floods hit Salford.
Steep Pennine valleys at flash-flood risk.
Ribble valley market town.
Weaver/Dane confluence Cheshire town.
Tyne quayside city centre.
River Skerne through the town.
Tidal Tees waterfront town.
Ouse valley town devastated by the 2000 floods.
Low-lying island city at tidal and surface-water risk.
Itchen/Test estuary waterfront.
Dour valley and coastal flood risk.
Tidal Medway town.
Upper Arun catchment, surface-water flood discussion.