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Does Carlton flood? 230 postcodes in Carlton are in the Environment Agency's rivers-and-sea flood-risk data (46 High, 28 Medium likelihood) — the breakdown is further down this page.
No official flood warning is active nearby and the closest river stations are within normal ranges.
Updated 2026-10-09 13:00:35 UTC · Official GOV.UK warnings · Flood preparation & help guide
Carlton is a town in the Borough of Gedling, Nottinghamshire, England. It is to the east of Nottingham. The population at the 2011 Census was 6,881. It was an urban district until 1974, whose wards had a population of 53,555 according to the 2021–2022 United Kingdom censuses. Owing to the growth of residential, commercial and industrial in the wider Gedling borough, City of Nottingham, Broxtowe, Rushcliffe and Ashfield, as well as the Amber Valley and Erewash in Derbyshire which have become quite urban around Nottingham, Carlton and Gedling, as well as Netherfield form a contiguous urban area.
Ordnance Survey places 230 postcodes in Carlton 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 5,037 properties in the EA dataset's likelihood bands.
| EA likelihood band | Postcodes (worst band) | Properties in the EA dataset | of which homes |
|---|---|---|---|
| High | 46 | 756 | 711 |
| Medium | 28 | 611 | 579 |
| Low | 81 | 1,622 | 1,505 |
| Very low | 75 | 2,048 | 1,427 |
| All bands | 230 | 5,037 | 4,222 |
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.
…and 130 more at-risk postcodes, listed on the district pages below.
Burton Joyce · Gunthorpe · Calverton · Wilford · Ruddington · Beeston
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.
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 Carlton'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.
Carlton is monitored by 1 Environment Agency river level station on the Ouse Dyke, in Nottinghamshire. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The Ouse Dyke is monitored by 1 station (Carlton). 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 Carlton. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: Ouse Dyke at Gedling and Carlton, including Waverley Avenue and Tennyson Avenue; Ouse Dyke and River Trent at Netherfield, including Drummond Avenue, Rochester Avenue and Kingsley Drive; River Trent at Colwick and Victoria Park, including Colwick Industrial Estate and Colwick Vale; River Trent at Stoke Bardolph including the Works and low lying farms.
There are 27 storm overflows within 5km of Carlton. 1 is currently discharging. 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 Carlton, 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.
Carlton gets about 680 mm of rain a year on average (wettest month October, 71 mm; driest March, 41 mm). That is 42% 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), 0.7 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.
Carlton has river level monitoring on Ouse Dyke — 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.
Yes — the Environment Agency's Recorded Flood Outlines dataset shows 16 recorded flood extents around the town centre since 1703, most recently in 2000. That is a count of mapped extents, not of separate floods. Records, not floods: no outline on the record is not evidence a place has not flooded. See the flood history link below.
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