FloodRadar
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Up to Medium likelihood
Properties in GL6 9LR 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% | 1 | 1 |
| Low | 0.1% – 1% | 5 | 5 |
| 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 71 m above sea level and falls 108 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-west, 105.2 m higher.
Because properties in the medium likelihood band; 98 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around GL6 9LR. 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.
2013-14 UK winter floods (2013, 4 warnings nearby) · Dennis (2020, 3 warnings nearby) · Henk (2024, 3 warnings nearby) · Ciaran (2023, 3 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Egypt Mill | Nailsworth Stream | 1.7 km | 1.50 m | 0.64 m |
| Brimscombe | River Frome (Severn) | 3.6 km | 1.00 m | 1.33 m |
| Chalford | River Frome (Severn) | 5.7 km | 0.50 m | 0.76 m |
| Ebley Mill | River Frome (Severn) | 6.4 km | 0.95 m | 1.40 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 |
|---|---|---|---|---|
| Minchinhampton - Ro Small House (cso) | Gatcombe Water | 1.1 km | 0 (2024) | 0 |
| Avening Sewage Treatment Works | Nailsworth Stream | 1.4 km | 154 (2024) | 975 |
| Nailsworth Old Market Cso | Tributary Of Nailsworth Stream | 1.7 km | 23 (2024) | 15 |
| Brimscombe Caravan Site Cso | River Frome | 3.2 km | 0 (2024) | 0 |
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 GL6 9LR — all in the GL6 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 GL6 district.