Click on a flood area name to view live flood alerts and warnings and historical flood information.
Beck at Beckenham, London Borough of Bromley
Beverley Brook area, including the Pyl Brook, in the London Boroughs of Merton, Sutton, Kingston upon Thames, Richmond upon Thames and Wandsworth
Beverley Brook at Barnes, London Boroughs of Richmond upon Thames and Wandsworth
Beverley Brook at Raynes Park Including Beverley Way and Malden Golf Course, London Boroughs of Kingston upon Thames and Merton
Beverley Brook at West Barnes, London Boroughs of Kingston upon Thames and Merton
Beverley Brook at Wimbledon Common and Richmond Park including Kingston Vale and Robin Hood Gate and Roehampton, London Boroughs of Kingston upon Thames and Merton
Beverley Brook at Worcester Park, including Motspur Park, London Boroughs of Kingston upon Thames and Sutton
Chaffinch Brook and St James Stream at Elmers End and Upper Elmers End, including South Norwood Country Park, London Boroughs of Bromley and Croydon
The Ching Brook in the London Borough of Waltham Forest, including Highams Park
Areas at risk of tidal flooding from Dartford to Allhallows, including Crayford, Greenhithe, Northfleet, Gravesend and the North Kent Marshes
The Colne Brook at Colnbrook including Horton and Wraysbury
The Colne Brook at Iver including Thorney
The Colne Brook at Iver and Colnbrook including Fulmer
Areas at risk of tidal flooding in Dartford, Crayford and Greenhithe
The Deans Brook at Edgware
The Dollis Brook from Barnet to Hendon including Whetstone and Finchley
East Pyl Brook at Morden Park from the A24 to West Barnes, London Borough of Merton
The Edgware Brook at Stanmore including Little Stanmore
The River Crane at Hillingdon, Southall, Cranford, Feltham and Twickenham
Areas at risk from Groundwater flooding including Caterham Bourne, Coulsdon Bourne, Beddington, Carshalton, Coulsdon, Kenley, Purley, South Croydon, Whyteleafe, Bromley, Bexley, Greenwich and Lewisham
Areas at risk of groundwater flooding in the Caterham Bourne catchment including Caterham, Whyteleafe, Kenley, Purley, South Croydon, Beddington and Carshalton
The Kenton Brook feeding into the Wealdstone Brook
Kyd Brook at Petts Wood, London Borough of Bromley
Kyd Brook at Sundridge Park, Including Chiselhurst, London Borough of Bromley
The Lower Lee tributaries, including the Nazeing Brook, Ching Brook, Cobbins Brook, Pymmes Brook, Rags Brook, Salmons Brook, Turkey Brook, Trinity Marsh Ditch and the Small River Lee
The Lower River Colne and Frays River at Uxbridge, West Drayton, Poyle and Stanwell Moor
The Lower River Lee at Enfield including Edmonton and Tottenham
The Lower River Lee at Hackney and Walthamstow including Lea Bridge, Hackney Marsh and Hackney Wick
The Lower River Lee at Hoddesdon and Cheshunt including Broxbourne and Waltham Abbey
The Lower River Lee at Stratford including Mill Meads
The Lower River Lee from Hoddesdon to Canning Town including, Cheshunt, Enfield, Edmonton, Tottenham, Walthamstow, Hackney, Stratford and West Ham
The Lower River Lee from West Ham to Canning Town
The Lower River Roding including Redbridge, Woodford, Wanstead, Ilford, East Ham and Barking
The Loxford Water including Hainault, Seven Kings and Ilford
The Loxford Water at Seven Kings and Ilford
The Middle River Colne at Watford and Rickmansworth including Carpenders Park
The Middle River Roding including Abridge, Loughton and Buckhurst Hill
The Mimmshall Brook at Warrengate Road including South Mimms, Potters Bar, Brookmans Park and Welham Green
The Mutton Brook at Hampstead Garden Suburb
Norbury Brook at Thornton Heath and Streatham Vale, including Norbury and Norbury Park, London Boroughs of Croydon and Lambeth
Pool River at Bell Green and New Beckenham, London Boroughs of Lewisham and Bromley
Properties on Meadow Lane, Amblecote Road and Chinbrook Road at risk of flooding from the River Quaggy at Chinbrook Meadows
River Thames from Platts Eyot to Hampton Court Bridge, including Platts Eyot, area around Hampton Sailing Club, Garrick's Eyot, Taggs Island, Ash Island and Molesey Lock
River Thames from Raven's Ait to Teddington Weir including, Raven's Ait, the Hogsmill River below the university Knights Park Campus, both Kingston Bridge's and Steven's Eyot
Pyl Brook at North Cheam including Kimpton Industrial Estate, London Boroughs of Merton and Sutton
Pyl Brook at West Barnes, London Borough of Merton
The Pymmes Brook at East Barnet including Cockfosters and New Southgate
The Pymmes Brook at Upper Edmonton and Tottenham
The Pymmes Brook from Bowes Park to Edmonton
Ravensbourne area in the London Boroughs of Lewisham, Bromley, Greenwich and Croydon. Including the River Quaggy, Kyd Brook, Chaffinch Brook and Pool River
Ravensbourne at Bromley Including Ravensbourne East Branch at Southborough, London Borough of Bromley
Ravensbourne at Deptford, London Boroughs of Lewisham and Greenwich
Ravensbourne at Lewisham, Including Ladywell, London Borough of Lewisham
Ravensbourne from Bellingham to Catford, Including Beckingham Place Park, London Borough of Lewisham
River Ash in the Borough of Spelthorne including Ashford and Staines
The River Beam at Dagenham including Rainham
The River Brent from Hendon to Brentford including Brent Cross, Tokyngton, Alperton, Greenford and Hanwell
The River Brent in the London Borough of Barnet including Brent Cross
The River Brent in the London Borough of Brent including Tokyngton, Stonebridge and Alperton
The River Brent in the London Boroughs of Ealing and Hounslow including Greenford, and Hanwell
The River Colne and Frays River at West Drayton and Stanwell Moor including Longford and Poyle
The River Colne at Rickmansworth including Batchworth, Money Hill and Maple Cross
The River Colne at Willowbank including Uxbridge Moor
The River Crane at Cranford and Feltham including North Feltham
The River Crane at Southall including Hayes
The River Crane at Twickenham including Cole Park
River Cray in St Marys Cray, St Pauls Cray, Foots Cray, Sidcup, North Cray, Old Bexley, Hall Place and Crayford to the River Darent
River Darent in Hawley, the Dartford Trade Park, Brooklands, Dartford Town Centre, Dartford and Crayford Marshes to the River Thames including Slade Green and the Darent Industrial Park
River Darent from Westerham to Dartford, including Brasted, Sundridge, Chipstead, Dunton Green, Otford, Eynsford and South Darenth
River Graveney at Tooting and Colliers Wood, London Boroughs of Wandsworth and Merton
River Hogsmill area from Ewell to Kingston upon Thames, including the Surbiton Stream in Surbiton and the Green Lane Stream between Ewell and Epsom
River Hogsmill at Ewell Court, Ruxley and Old Malden, London Borough of Kingston upon Thames and Epsom and Ewell
River Hogsmill at Kingston, London Borough of Kingston upon Thames
The River Ingrebourne at Harold Park including Harold Wood
The River Ingrebourne at Harold Park and Hornchurch including Harold Wood, Upminster and Rainham
The River Ingrebourne at Hornchurch including Upminster and Rainham
The River Pinn and Woodridings Stream at Pinner, Eastcote, Ruislip, Ickenham, Uxbridge and Yiewsley
The River Pinn at Eastcote Village
The River Pinn at Ickenham
The River Pinn at Pinner, Harrow
The River Pinn at Ruislip
The River Pinn at Uxbridge including Hillingdon
The River Pinn at Yiewsley including Cowley Peachey
River Quaggy at Chinbrook, Mottingham and Eltham, London Boroughs of Bromley, Lewisham and Greenwich
River Quaggy Flood Alleviation Scheme at Kidbrooke, Lee and Hither Green Including Sutcliffe Park, London Boroughs of Lewisham and Greenwich
The River Roding at Loughton including Buckhurst Hill
The River Roding in Barking including East Ham
The River Roding in Redbridge including Woodford, Wanstead and Ilford
The River Rom at Collier Row
The River Rom at Romford including Rush Green
River Shuttle at Blackfen, Sidcup Golf Course, Lamorbey Park, Sidcup and Old Bexley to Hall Place
River Thames at East and West Molesey including Hurst Park, Buckingham Avenue and the Royal Mews area
River Thames at Hampton and Hampton Wick including Hampton Court, properties on the Barge Walk, Hampton Court Palace Golf Club and Hampton Court Road
River Thames at Kingston-upon-Thames town including, central Kingston, the area around Canbury Gardens and Albany Park Road
River Thames in the Sunbury town area, including Longwood Business Park, Halliford Road areas of Upper Halliford and Sunbury, Lower Hampton Road park, Kenton Court Meadow and Kempton Park Racecourse areas
River Thames at Teddington including Broom Road and Lower Teddington Road
River Thames at Thames Ditton including Ditton Field and Ditton Reach
River Thames at Thames Ditton Island including Boyle Farm Island
River Thames at Thames Ditton Island including Boyle Farm Island
River Thames at Trowlock Island including the Royal Canoe Club
River Thames at Trowlock Island including the Royal Canoe Club
River Thames at Walton-on-Thames including Desborough Island, Walton Bridge and Elmbridge Leisure Centre
River Thames from Hampton and Thames Ditton to Teddington including Hampton Wick and Kingston-upon-Thames
River Thames from Shepperton to West and East Molesey including Hamm Court, Walton-on-Thames and Sunbury
River Wandle area in the London Boroughs of Wandsworth, Merton, Lambeth, Croydon and Sutton. Including the Norbury Brook from Thornton Heath to Tooting
River Wandle at Beddington Park including Hackbridge and Waddon, London Boroughs of Sutton and Croydon
River Wandle at Morden, including Morden Hall Park, London Borough of Merton
River Wandle at Wandsworth including King Georges Park and Earlsfield, London Boroughs of Wandsworth and Merton
River Wandle at Wimbledon including Colliers Wood, Merton Abbey, Connollys Mill, Summerstown and Wimbledon Stadium, London Borough of Merton
The Rivers Beam and Rom at Romford, Hornchurch, Dagenham and Rainham
The Salmons Brook at Grange Park and Lower Edmonton including World's End
River Cray from St Mary's Cray to Crayford, including Hall Place and the River Shuttle from Blackfen through Sidcup to Old Bexley including Lamorbey Park
The Silk Stream and the Deans, Edgware, Dollis, Mutton and Wealdstone Brooks and their tributaries
The Silk Stream at Edgware and Colindale
The Small River Lee at Cheshunt including, Turnford, Holdbrook and Enfield Lock
Surbiton Stream at Berrylands, Alexandra, Surbiton Hill, Tolworth and Hook Rise, London Borough of Kingston upon Thames
The Mardyke to the River Thames at Purfleet
The Tidal River Brent in Hounslow
The Tidal River Brent at Brentford
The Tidal River Crane at Twickenham
The Tidal River Crane at Isleworth
River Thames at Beckton including Canning Town, Custom House, and Beckton
River Thames at Beckton Sewage Works including East Ham
River Thames at Camberwell including Burgess Park, north Camberwell and Kennington Park
River Thames at Chiswick including Ravenscourt Park, west Shepherd's Bush, Stamford Brook, Turnham Green and Chiswick Park
River Thames at Deptford including west Deptford, New Cross Gate and Southwark Park
River Thames at Hammersmith and West Kensington including central Hammersmith, Olympia, Brook Green and West Kensington
River Thames at Mill Meads and East Plaistow including Star Lane, Plaistow, Mill Meads and south Stratford Marshes
River Thames at north Fulham including Stamford Bridge, areas to the west of Earls Court, Barons Court and West Kensington
River Thames at South Bermondsey including the Den and areas between the Old Kent Road and the railway line
River Thames at south Fulham including north Parsons Green, Walham Green and Eel Brook Common
River Thames at the Isle of Dogs north of South Dock including Canary Wharf, Blackwall, South Bromley, Poplar and Limehouse
River Thames at the Isle of Dogs south of South Dock including areas around West India and Millwall Docks, Cubitt Town, and Mudchute
River Thames at Walworth including south Elephant and Castle, Kennington and north Lambeth
River Thames at Westminster including St James's Park, Victoria and Westminster Cathedral
River Thames from Battersea Bridge to Putney Bridge including Chelsea Harbour, Sands End, south Parsons Green and Hurlingham Park
River Thames from Battersea Bridge to Wandsworth Bridge including west Battersea, Clapham Junction and east Wandsworth
River Thames from Battersea Power Station to Battersea Bridge including Battersea
River Thames from Beckton Sewage Works to the River Lee including Beckton Gas Works, London City Airport, the ExCeL Centre, areas around the King George V, Royal Albert and Royal Victoria docks and Canning Town
River Thames from Blackfriars Bridge to Vauxhall Bridge including Temple, Embankment and Houses of Parliament
River Thames from Dartford Creek to Erith High Street East including the Darent Industrial Estate, Slade Green and the Church Industrial Estate
River Thames from Deptford Creek to Rotherhithe Station including east Deptford, Convoys Wharf, Surrey Docks, Canada Water and the riverside at Rotherhithe
River Thames from Erith High Street East to Thamesmead including Erith Marshes and eastern Thamesmead
River Thames from Hungerford Bridge to Battersea Power Station including Waterloo, Albert Embankment, Vauxhall, Oval and Nine Elms
River Thames from London Bridge to Hungerford Bridge including Borough, the South Bank, Elephant and Castle and Waterloo
River Thames from Mortlake High Street East to Richmond Bridge including Mortlake, North Sheen, Kew, the Royal Botanic Gardens and Old Deer Park
River Thames from Putney Bridge to Mortlake High Street East including Barnes
River Thames from Putney Bridge to the Hogarth Lane Roundabout including Fulham Palace, Craven Cottage, the Hammersmith Flyover, Furnival Gardens and South Chiswick
River Thames from Richmond Bridge to Teddington Weir including West Petersham and Ham Lands
River Thames from Rotherhithe Station to London Bridge including Rotherhithe, north Bermondsey and London Bridge
River Thames from Thamesmead to Woolwich Arsenal including western Thamesmead, Abbey Wood, Belmarsh Prison and the Woolwich Arsenal site
River Thames from the Hogarth Lane Roundabout to the River Brent including South Chiswick, Grove Park, Strand-on-the-Green and Brentford
River Thames from the Limehouse Basin to Blackfriar's Bridge including Shadwell, Wapping, St. Katherines Dock and Upper Thames Street
River Thames from The Mardyke to Barking Creek including Rainham Marshes, South Hornchurch, Ford Motor Works, Creekmouth, the New England Estate and South Barking
River Thames from the River Brent to the River Crane including East Isleworth and Syon Park
River Thames from the River Crane to Teddington Weir including St. Margaret's, Eel Pie Island, Strawberry Hill and East Teddington
River Thames from Vauxhall Bridge to Battersea Bridge including Pimlico, Belgravia and Chelsea Embankment
River Thames from Wandsworth Bridge to Putney Bridge including Wandsworth Centre
River Thames from Woolwich Arsenal to Deptford Creek including New Charlton, the Greenwich Peninsula, the Royal Naval College and Greenwich Town Centre
River Thames including areas in the boroughs of Bexley and Greenwich
River Thames including areas in the boroughs of Greenwich, Lewisham, Southwark, Lambeth and Wandsworth
River Thames including areas in the boroughs of Havering, Barking and Dagenham, and Newham
River Thames including areas in the boroughs of Kensington & Chelsea, Hammersmith & Fulham, Ealing and Hounslow
River Thames including areas in the boroughs of Tower Hamlets, the City of London, the City of Westminster and Kensington & Chelsea
River Thames including areas in the boroughs of Wandsworth and Richmond-upon-Thames
River Thames riverside from Dartford Creek and The Mardyke to the Thames Barrier
River Thames riverside from Putney Bridge to Teddington Weir
River Thames riverside from the Thames Barrier to Putney Bridge
Trinity Marsh Ditch at Waltham Cross
The Turkey Brook at Enfield including Clay Hill
The Wealdstone Brook at Kenton including Wealdstone and Wembley
The Woodridings Stream at Pinner Green, Harrow
The Yeading Brook at Hillingdon including Yeading
The Yeading Brook East at South Ruislip
Yeading Brook West at Ruislip Manor including North Harrow, Ruislip Gardens and North Hillingdon
The Yeading Brooks East and West at Ruislip and Harrow