Does Luton flood?
What the Environment Agency's rivers-and-sea flood-risk data says about Luton
Ordnance Survey places 129 postcodes in Luton 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 1,947 properties in the EA dataset's likelihood bands.
| EA likelihood band | Postcodes (worst band) | Properties in the EA dataset | of which homes |
|---|---|---|---|
| High | 15 | 72 | 56 |
| Medium | 27 | 365 | 323 |
| Low | 47 | 724 | 645 |
| Very low | 40 | 786 | 751 |
| All bands | 129 | 1,947 | 1,775 |
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 Luton
Environment Agency gauges within 10 km of Luton watch River Lee, River Ver.
-
Luton, Stockingstone Road
River Lee · 1.5 km away 0.03 m
normal range · steady · 39 min ago -
Luton, Toddington Road Structure
River Lee · 1.9 km away 0.00 m
controlled by a sluice or weir · 39 min ago -
Luton East Hyde
River Lee · 7.0 km away 1.11 m
normal range · steady · 24 min ago -
Markyate Structure
River Ver · 7.1 km away No recent reading
last reported 26 Oct 2026 16:00
Distances are from the middle of Luton'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.
The watercourse nearest Luton
The nearest watercourse on the river map is the River Lea (River Lee), about 680 m from the middle of Luton's at-risk postcodes.
- Next gauge downstreamLuton, Stockingstone Road, about 1.8 km along the river.
Normal · steady · 39 min ago
After that, Luton East Hyde, about 9.1 km along the river. - Storm overflows1 storm overflow is traced upstream of Luton, Stockingstone Road on the river map. See them on its page.
- Upstream on this watercourseLuton, Toddington Road, about 2.3 km up the river.
Controlled by a sluice or weir · 39 min ago
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on the River Lea (River Lee) nearest the middle of Luton's at-risk postcodes. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Flood warning areas near Luton
3 Environment Agency flood warning areas lie within 10 km of Luton. The EA has issued 8 flood warnings and alerts for them since 2006, most recently on 19 Dec 2024.
-
River Lee at Luton
4 warnings and alerts since 2006, latest Sep 2024 0.2 km -
The River Ver at Markyate including Flamstead, Harpenden
no warning on record since 2006 8.8 km -
Areas at risk of groundwater flooding around Flamstead, including Trowley Bottom and Lower Sawpit Wood
4 warnings and alerts since 2006, latest Dec 2024 9.3 km
Recorded floods near Luton
Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of Luton, most recent first. Records, not floods: no outline on the record is not evidence a place has not flooded. See them on the map →
- 22 Sep 2024 — EA06SeptemberAutumn2024
- 28 May 2007 — 06MaySpring2007 Main river
- 4 Jul 2006 — 06JulySummer2006 Main river
- 28 Jun 2005 — 06JuneSummer2005
- 1 Apr 1998 — 06AprilEaster1998 Main river
- 1 Jan 1995 — 06SeptemberWinter1995 Main river
- 1 Sep 1992 — ea06SeptemberAutumn1992 Main river
- 1 Jan 1990 — 06FebruaryWinter1990 Main river
- 1 Jan 1987 — 06JulySummer1987 Main river
- 1 Jan 1947 — 06MarchSpring1947 Main river
Rainfall near Luton
Luton gets about 682 mm of rain a year on average (wettest month November, 71 mm; driest March, 43 mm). That is 41% drier than the UK as a whole, which averages 1,163 mm a year. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 1.2 km from the place centre.
At-risk postcodes in Luton
Every postcode Ordnance Survey places in Luton that appears in the EA's rivers-and-sea dataset, worst band first. Each links to its own flood-risk page.
High likelihood (15)
Medium likelihood (27)
Low likelihood (47)
Very low likelihood (40)
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.
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.
Recorded Flood Outlines, flood warning areas and warning history © Environment Agency copyright and/or database right 2025. Licensed under the Open Government Licence v3.0.
River levels and rainfall: Environment Agency real-time flood-monitoring data, updated every 15 minutes (Open Government Licence v3.0).
Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
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.