FloodRadar
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No property in an EA risk band
No property in M25 1QP appears in the Environment Agency's rivers-and-sea flood-risk dataset. That dataset covers one of five flood sources. It is area-level, it covers rivers and the sea only, and it is never proof a place cannot flood — surface water, groundwater, sewers and reservoirs are assessed separately. See the at-risk postcodes in M25 or get the full picture below.
M25 1QP gets about 1,004 mm of rain a year on average (wettest month December, 110 mm; driest April, 62 mm). That is close to the UK as a whole, which averages 1,163 mm a year.
A thirty-year average for the surrounding area, not a measurement at this address and not a flood risk on its own: a dry area floods when a storm sits over it, and a wet one may drain away perfectly well. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.1 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
The ground here sits at about 101 m above sea level and falls 30 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the north-west, 14.6 m higher.
The river map has no watercourse within 1 km of the centre of M25 1QP.
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.
Because 229 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around M25 1QP. The small panels are illustrative previews of the report's per-layer map views — the full report draws each layer for real, plus recorded extents, defences and a building picker on an interactive map.
Warnings cover flood areas, not individual addresses.
None mapped within ~1 km of this postcode's centre.
No recorded outline near this postcode 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. The full report tests every other flood source at the exact building.
Ciara (2020, 8 warnings nearby) ▶ replay it here · Christoph (2021, 6 warnings nearby) ▶ replay it here · Brian (2017, 4 warnings nearby) ▶ replay it here · Bert (2024, 4 warnings nearby) ▶ replay it here
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Littleton Road River | River Irwell | 3.2 km | 4.60 m | 4.98 m |
| Blackford Bridge | River Roch | 3.5 km | 2.45 m | 3.36 m |
| Pioneer Mills | River Irwell | 4.0 km | 3.70 m | 5.92 m |
| Manchester Racecourse | River Irwell | 4.1 km | 3.00 m | 5.67 m |
Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.
| Overflow | Discharges into | Distance | Spills | Hours |
|---|---|---|---|---|
| Heywood Road Cso 091yz | Culvert Of Prestwich Clough | 0.6 km | 0 (2025) | 0 |
| Hampden Road Cso 091xv | Prestwich Clough Via Clvrt | 0.6 km | 4 (2025) | 1 |
| The Crescent Cso 091ej | Prestwich Clough Via Sws | 0.8 km | 1 (2025) | 0 |
| Prestwich Clough Cso 09034 | Prestwich Clough Brook | 1.2 km | 5 (2025) | 1 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
No mapped flood-defence assets within 500 m of the postcode centre. Defences reduce risk, never remove it.
The interactive flood-risk map with a building picker (your exact house, not the postcode), the 2050s climate view, surface-water and planning flood zones at your building, exact recorded-flood distances, year-by-year warning charts, watercourses including culverted streams, an insurance outlook with the Flood Re rules, and a printable document with every dataset receipt — start with the free preview, unlock for £19.
At-risk postcodes near M25 1QP — all in the M25 district.
© 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 and warning history © Environment Agency copyright and/or database right 2025. Storm-overflow figures: EA Event Duration Monitoring (England); live overflow status © the water companies, incl. Dŵr Cymru Welsh Water and Scottish Water. Flood defences © Environment Agency (OGL v3). This page summarises public area-level data — it is not a flood-risk survey and not a substitute for the official GOV.UK service. All data sources & licences. More postcodes: the M25 district.