Does BL3 5QA flood?

Bolton

Up to Low likelihood

Properties in BL3 5QA 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 bandAnnual chancePropertiesOf which homes
Highgreater than 3.3%00
Medium1% – 3.3%00
Low0.1% – 1%10
Very lowbelow 0.1%00

Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.

The ground around BL3 5QA

The ground here sits at about 111 m above sea level and falls 53 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-west, 23.9 m higher.

Shaded relief map of the ground around BL35QA, computed from Environment Agency LiDAR. The ground here sits at about 111 m above sea level and falls 53 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-west, 23.9 m higher.
Shaded relief of the bare ground within about 400 m of BL3 5QA, computed from the Environment Agency's published LiDAR terrain survey. The ring marks the postcode centre, not a property. This shows the shape of the land, not a flood map — it does not include drains, culverts, walls or kerbs, and the official likelihood band above is the authoritative figure. © Environment Agency copyright and/or database right 2022. All rights reserved.
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Get the full flood report for BL3 5QA — £19 Free preview first · instant access · no account needed The detail below — flood history, warnings, rivers, overflows — is part of FloodRadar's property flood-risk report. The official band above is free; the preview shows more before you decide.

Inside the full report for BL3 5QA

FloodRadarProperty Flood-Risk Report
BL3 5QA
Moderate flood risk — investigate further

Because properties in the low likelihood band; 1 recorded flood nearby; 61 official warnings since 2006.

C Today — indicative grade (A best → E)
··· By the 2050s — EA climate scenario (in the full report)
⚑ Official warning within 10 km: Yes ⚑ Recorded flood nearby: Yes ⚑ Flood defences within 500 m: Yes ⚑ In flood zone 2 or 3: ···
Rivers & sea
Up to Low
Surface water
···
Groundwater
Not assessed
Historic flooding
Recorded nearby
Warning history · flood map with building picker · 2050s view · insurance outlook · every dataset receipt — 18 sections

Flood-risk map of this area

Environment Agency flood-likelihood cells
High (>3.3%/yr) Medium Low Very low Marker = postcode centre Base map © OpenStreetMap contributors

The map above shows the real EA rivers & sea likelihood cells around BL3 5QA. 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.

Official flood warnings near BL3 5QA

61
flood alerts & warnings within 10 km since 2012
61
of them full flood warnings or severe warnings
2025
most recent warning nearby (2025-09-20)

Warnings cover flood areas, not individual addresses.

Recorded floods near this postcode

DateRecorded floodApprox. distance
Dec 2015 Spa Road, Bolton ~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.

Named storms that brought flooding here

Ciara (2020, 5 warnings nearby) · Christoph (2021, 4 warnings nearby) · Bert (2024, 3 warnings nearby) · Fergus (2023, 2 warnings nearby)

The rivers that matter for BL3 5QA

GaugeRiverDistanceTypical highHighest on record
Bessy Brook Bessy Brook 2.8 km 1.08 m 1.78 m
Atherton Woodland Drive Carr Brook 4.4 km 0.75 m 0.82 m
Farnworth River Croal 4.6 km 1.00 m 1.83 m
Threadfold Way Eagley Brook 4.9 km 2.20 m 1.71 m

Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.

Storm overflows within 5 km

OverflowDischarges intoDistanceSpillsHours
Blackshaw Lane Cso 072fw Middle Brook (river Croal) 0.2 km 15 (2024) 10
Albert Road Cso Middle Brook 0.2 km 28 (2024) 9
No 76 Middle Brook Cso Middle Brook 0.6 km 115 (2024) 218
Edith Street Cso 078nl River Croal 0.6 km 0 (2024) 0

Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.

Flood defences

11 mapped flood-defence assets within 500 m — nearest ~117 m (natural high ground). Defences reduce risk, never remove it.

What the full property report adds

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.

Flood risk at nearby postcodes

At-risk postcodes near BL3 5QA — all in the BL3 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 BL3 district.