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No official flood warning is active nearby and the closest river stations are within normal ranges.
Updated 2026-10-09 13:01:03 UTC · Official GOV.UK warnings · Flood preparation & help guide
South Norwood is a district of South London, England, within the London Borough of Croydon, Greater London and formerly in the historic county of Surrey. It is located 7.8 miles (12.5 km) south-east of Charing Cross, north of Woodside and Addiscombe, east of Selhurst and Thornton Heath, south of Crystal Palace/Upper Norwood and Anerley, and south-west of Penge.
Towns and villages near South Norwood with a page of their own: the homes in a flood risk area there, the nearest river gauges, and recorded floods.
Croydon · Purley · Wimbledon · Clapham · Camberwell · Lewisham · Chelsea · Fulham
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.
The river map has no watercourse within 1 km of the middle of South Norwood's gauges.
That means this spot is not on the river map, not that there is no water here: Ordnance Survey’s river map (OS Open Rivers) leaves out small streams, ditches and culverts. Contains OS data © Crown copyright and database rights 2026.
South Norwood is monitored by 1 Environment Agency river level station on the Norbury Brook, in Greater London. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The Norbury Brook is monitored by 1 station (Thornton Heath). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
There are 8 Environment Agency flood warning areas within 10km of South Norwood. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: Norbury Brook at Thornton Heath and Streatham Vale, including Norbury and Norbury Park, London Boroughs of Croydon and Lambeth; River Wandle at Beddington Park including Hackbridge and Waddon, London Boroughs of Sutton and Croydon; Chaffinch Brook and St James Stream at Elmers End and Upper Elmers End, including South Norwood Country Park, London Boroughs of Bromley and Croydon; Areas at risk of groundwater flooding in the Caterham Bourne catchment including Caterham, Whyteleafe, Kenley, Purley, South Croydon, Beddington and Carshalton.
There are 14 storm overflows within 5km of South Norwood. None of the 11 with a reporting monitor are currently discharging (3 have no live status right now). Enable "Sewage" on the map above to see their locations.
6 of them, nearest first, with their own page of live status and past discharges:
If flooding is forecast in South Norwood, call Floodline on 0345 988 1188 for the latest information. Move valuables upstairs, turn off gas and electricity if safe to do so, and avoid walking or driving through flood water. Sign up for flood warnings on any station page above to receive email alerts when water levels rise. For emergency numbers, a preparation checklist and insurance guidance, see our flood help & preparation guide.
South Norwood gets about 651 mm of rain a year on average (wettest month October, 70 mm; driest March, 40 mm). That is 44% drier than the UK as a whole, which averages 1,163 mm a year. See the rain gauges →
A thirty-year average for the area, not a forecast and not a flood risk on its own. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 0.5 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of the town centre — most recent first. These are records of mapped extents, not a full list of floods. See them on the map →
Records, not floods: no outline on the record is not evidence a place has not flooded.
Current verdict: Normal. No official flood warning is active nearby and the closest river stations are within normal ranges.
South Norwood has river level monitoring on Norbury Brook — 1 monitoring station in total.
Use the GOV.UK Check for Flooding service (check-for-flooding.service.gov.uk) or call Floodline on 0345 988 1188 (24 hours). You can also set up free FloodRadar email or browser alerts from any station page above.
Follow official advice: move valuables and vehicles to safety, never walk or drive through flood water, turn off gas and electricity if safe, and check on vulnerable neighbours. See our flood preparation guide at floodradar.co.uk/flood-help.
No recorded flood outline is mapped around the South Norwood town centre means no flood was mapped here, which is not evidence none happened: the Environment Agency mapped only some floods, mapping effort rose sharply after about 2000, and surface-water flooding is largely absent from this record. FloodRadar has separately logged 10 flood warnings or alerts for the Greater London area since February 2026. See the flood history link below.
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