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Rawtenstall, Lancashire
Up to Low likelihood
Properties in BB4 6JF sit in the Environment Agency's Low 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% | 0 | 0 |
| Low | 0.1% – 1% | 2 | 0 |
| Very low | below 0.1% | 0 | 0 |
Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.
The ground here sits at about 154 m above sea level and falls 117 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the east-north-east, 5.2 m higher.
Because properties in the low likelihood band; 6 recorded floods nearby; 106 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around BB4 6JF. 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 |
|---|---|---|
| Feb 2020 | Rawtenstall | ~1.1 km |
| Feb 2020 | New Hall Hey, Rawtenstall | ~0.8 km |
| Dec 2015 | New Hall Hey Road, Rawtenstall | ~0.8 km |
| Nov 2009 | EA01313_18 November 2009_River Irwell_170BuryRoad | ~0.8 km |
| Nov 2009 | EA01313_18 November 2009_River Irwell_174Buryroad | ~0.8 km |
| Nov 2009 | EA01313_18 November 2009_River Irwell_144BuryRoad | ~0.8 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.
Ciara (2020, 14 warnings nearby) · Bert (2024, 11 warnings nearby) · Brian (2017, 11 warnings nearby) · Darragh (2024, 7 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Irwell Vale | River Irwell | 1.8 km | 1.60 m | 3.43 m |
| Rawtenstall | Limey Water | 1.9 km | 1.70 m | 1.62 m |
| Little Bridge | Ogden Brook | 2.1 km | 2.10 m | 1.74 m |
| Holt Mill Bridge | River Irwell | 3.0 km | 1.20 m | 1.86 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 |
|---|---|---|---|---|
| New Hall Hey Road Cso | River Irwell | 0.3 km | 13 (2024) | 50 |
| Manchester Rd Cso (363f2) | Culverted Langwood Brook | 0.8 km | 2 (2024) | 0 |
| New Hall Hey Bridge Cso | River Irwell | 1.1 km | 1 (2024) | 0 |
| Rossendale Wwtw | River Irwell | 1.2 km | 100 (2024) | 1,402 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
13 mapped flood-defence assets within 500 m — nearest ~65 m (natural 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 BB4 6JF — all in the BB4 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. 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. 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 BB4 district.