FloodRadar
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FloodRadar
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Up to Medium likelihood
Properties in GL1 2RF sit in the Environment Agency's Medium flood-likelihood band (worst property). The band is the worst found in the postcode — it describes the land around properties (defence-adjusted, rivers & sea), not any single address, and not today's conditions.
| Likelihood band | Annual chance | Properties | Of which homes |
|---|---|---|---|
| High | greater than 3.3% | 0 | 0 |
| Medium | 1% – 3.3% | 16 | 15 |
| Low | 0.1% – 1% | 0 | 0 |
| Very low | below 0.1% | 0 | 0 |
Over a 25-year mortgage, a property in a medium-likelihood area has a 22–57% chance of flooding at least once.
The ground here sits at about 10 m above sea level and falls 14 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-east, 10.2 m higher.
Because properties in the medium likelihood band; 6 recorded floods nearby; 442 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around GL1 2RF. 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.
| Date | Recorded flood | Approx. distance |
|---|---|---|
| Jul 2007 | River Severn 007 (July 07) | ~3.2 km |
| Jul 2007 | River Severn 003 (July 07) | ~1.5 km |
| Jul 2007 | Wotton Brook 011 (July 07) | ~1.6 km |
| Jul 2007 | River Twyver 001 (July 07) | ~0.6 km |
| Jul 2007 | River Twyver 003 (July 07) | ~0.1 km |
| Jul 2007 | River Twyver 019 (July 07) | ~0.5 km |
EA Recorded Flood Outlines — absence of a record never proves a place has not flooded. The full report tests whether any extent covered the exact spot.
2013-14 UK winter floods (2013, 39 warnings nearby) · Henk (2024, 15 warnings nearby) · Eunice (2022, 15 warnings nearby) · Dudley (2022, 11 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Gloucester | River Severn | 0.5 km | 3.20 m | 4.92 m |
| Sandhurst | River Severn | 2.0 km | 3.00 m | 5.38 m |
| Sandhurst | Hatherley Brook | 2.0 km | 2.79 m | 5.35 m |
| Armscroft Place | Wotton Brook | 2.1 km | 1.50 m | 1.20 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 |
|---|---|---|---|---|
| Quay Street Cso | River Severn - East Channel | 0.4 km | 0 (2024) | 0 |
| Blackfriars - Westgate (sso) | River Derwent | 0.4 km | 1 (2024) | 0 |
| Hempsted - Sudmeadow Road (sso) | Burton Stather Drain | 1.1 km | 13 (2024) | 19 |
| Maisemore - Gloucester Road (cso) | Ullesthorpe Brook | 2.5 km | 3 (2024) | 0 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
23 mapped flood-defence assets within 500 m — nearest ~331 m (natural high ground, wall, demountable defence, engineered high ground). 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 GL1 2RF — all in the GL1 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. 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 GL1 district.