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Does Aylesbury flood? 199 postcodes in Aylesbury are in the Environment Agency's rivers-and-sea flood-risk data (33 High, 27 Medium likelihood) — the breakdown is further down this page.
Conditions are worth watching: heavy rain has fallen nearby (15.2 mm in the last 24 hours at Rainfall station). Keep an eye on updates if heavy rain continues.
Updated 2026-10-10 12:32:57 UTC · Official GOV.UK warnings · Flood preparation & help guide
Aylesbury is the county town of Buckinghamshire, England. It is located midway between High Wycombe and Milton Keynes. In 2021, Aylesbury civil parish had a population of 63,273, while its urban area had a population of 87,950; the housing target for the town is set to grow, with 16,000 homes to be built by 2033. It is home to the Roald Dahl Children's Gallery and the Waterside Theatre; the town's Queens Park Arts Centre received the King's Award for Voluntary Service.
Ordnance Survey places 199 postcodes in Aylesbury 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 2,686 properties in the EA dataset's likelihood bands.
| EA likelihood band | Postcodes (worst band) | Properties in the EA dataset | of which homes |
|---|---|---|---|
| High | 33 | 121 | 100 |
| Medium | 27 | 212 | 200 |
| Low | 115 | 1,700 | 1,596 |
| Very low | 24 | 653 | 560 |
| All bands | 199 | 2,686 | 2,456 |
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 99 more at-risk postcodes, listed on the district pages below.
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 nearest watercourse on the river map is Bear Brook, about 30 m from the middle of Aylesbury's gauges. It flows into the River Thame about 4.0 km downstream.
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 Bear Brook nearest the middle of Aylesbury's gauges. 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.
Aylesbury is monitored by 2 Environment Agency river level stations on the Bear Brook, the Southcourt Brook, in Buckinghamshire. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The Bear Brook is monitored by 1 station (Aylesbury). The Southcourt Brook is monitored by 1 station (Churchill Avenue). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
There are 5 Environment Agency flood warning areas within 10km of Aylesbury. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: Bear Brook and tributaries, from Walton Court in the Ellen Road area down to St Marys School, Keen Close in Aylesbury; Bear Brook and tributaries, from Broughton to Haydon Mill Farm in Coldharbour, Aylesbury including the Hilda Wharf and California areas; River Thame from Long Marston to North Aylesbury including Rowsham; Bear Brook and tributaries in the Aylesbury area, including Wendover and Weston Turville.
There are 2 storm overflows within 5km of Aylesbury. None of the 2 with a reporting monitor are currently discharging. Enable "Sewage" on the map above to see their locations.
Each has its own page of live status and past discharges:
If flooding is forecast in Aylesbury, 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.
Aylesbury gets about 626 mm of rain a year on average (wettest month October, 68 mm; driest March, 39 mm). That is 46% 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), 1.2 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: Watch. Conditions are worth watching: heavy rain has fallen nearby (15.2 mm in the last 24 hours at Rainfall station). Keep an eye on updates if heavy rain continues.
Aylesbury has river level monitoring on Bear Brook, Southcourt Brook — 2 monitoring stations 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 6 recorded flood extents around the town centre since 1703, most recently in 2013. 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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