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No official flood warning is active nearby and the closest river stations are within normal ranges.
Updated 2026-10-10 12:34:03 UTC · Official GOV.UK warnings · Flood preparation & help guide
Stonor Estate is monitored by 1 Environment Agency river level station on the Groundwater Level, in Oxfordshire. Water levels are updated every 15 minutes.
The river map has no watercourse within 1 km of the middle of Stonor Estate'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.
Stonor Estate is monitored by 1 Environment Agency river level station on the Groundwater Level, in Oxfordshire. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The Groundwater Level is monitored by 1 station (Stonor Estate). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
There are 4 Environment Agency flood warning areas within 10km of Stonor Estate. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: Communities at risk of groundwater flooding including Turville, Skirmett, Stonor, Middle and Lower Assendon and parts of Henley; River Thames for Henley, Remenham and Medmenham; including Middle and Lower Assendon on the Assendon Stream, and Skirmett and Hambleden on the Hambledon Brook; River Thames from Henley down to Medmenham including Remenham and Mill End; Areas at risk of groundwater flooding in the Wycombe area including Radnage and the lower Hughenden Valley.
If flooding is forecast in Stonor Estate, 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.
Stonor Estate gets about 770 mm of rain a year on average (wettest month November, 89 mm; driest March, 50 mm). That is 34% 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), 2.3 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.
Stonor Estate has river level monitoring on Groundwater Level — 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 1 recorded flood extent 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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