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Bacup, Lancashire
Up to Low likelihood
Properties in OL13 9EQ 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% | 3 | 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.
OL13 9EQ gets about 1,518 mm of rain a year on average (wettest month December, 179 mm; driest May, 86 mm). That is 31% wetter than 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), 0.8 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 263 m above sea level and falls 77 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-east, 59.7 m higher.
The nearest watercourse on the river map is Greave Clough Brook, about 30 m from the centre of OL13 9EQ. It flows into the River Irwell about 520 m downstream.
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on Greave Clough Brook nearest the centre of OL13 9EQ. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Because properties in the low likelihood band; 6 recorded flood outlines mapped nearby; 226 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around OL13 9EQ. 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 | Mapped flood extent | Approx. distance |
|---|---|---|
| Dec 2024 | 2 Rockcliffe Road, Bacup - Storm Darragh | ~0.9 km |
| Dec 2024 | 2 Manor Street, Bacup - Storm Darragh | ~0.9 km |
| Dec 2024 | Drury Adams Limited, New Hey Mill, Newchurch Road - Storm Darragh | ~1.2 km |
| Dec 2024 | Castleton Textiles, Plantation mill industrial estate, Market Street - Storm Darragh | ~0.8 km |
| Nov 2024 | Windsor shoes - Storm Bert | ~1.0 km |
| Nov 2024 | 102 Market Street 100 and 98 - Storm Bert | ~0.9 km |
These are extents the Environment Agency has mapped, not a list of every flood. Records, not floods: no outline on the record is not evidence a place has not flooded. The full report tests whether any extent covered the exact spot.
Ciara (2020, 27 warnings nearby) ▶ replay it here · Brian (2017, 20 warnings nearby) ▶ replay it here · Bert (2024, 18 warnings nearby) ▶ replay it here · Darragh (2024, 10 warnings nearby) ▶ replay it here
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Throstle Mill | River Irwell | 0.8 km | 1.50 m | 2.28 m |
| Thornfield Avenue | Whitewell Brook | 4.0 km | 1.09 m | 1.94 m |
| Portsmouth Lennox Road | River Calder | 4.0 km | 1.12 m | 1.15 m |
| Holt Mill Bridge | River Irwell | 4.4 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 |
|---|---|---|---|---|
| Tong Lane/reed Street Cso | Gleave Clough Brook | 0.2 km | 0 (2024) | 0 |
| Greave Clough Drive Cso | Greave Clough Via Sws | 0.2 km | 2 (2024) | 1 |
| Wellington Hotel Cso | Culverted Trib Of River Irwell | 0.3 km | 0 (2024) | 0 |
| South Street/pickup Street Cso | River Irwell | 0.4 km | 6 (2024) | 3 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
24 mapped flood-defence assets within 500 m — nearest ~28 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 OL13 9EQ — all in the OL13 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 (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 OL13 district.