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Blennerhasset, Cumberland
Up to Low likelihood
Properties in CA7 3RN 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 | 3 |
| 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 61 m above sea level and falls 18 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the east-south-east, 14.4 m higher.
Because properties in the low likelihood band; 6 recorded floods nearby; 1 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around CA7 3RN. 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 | Storm Ciara 09_02_2020 | ~31.6 km |
| Oct 2017 | 11/10/2017 Fluvial & Surface Water - Blennerhasset | ~0.2 km |
| Dec 2015 | Blennerhasset & Baggrow 05_12_2015 | ~0.2 km |
| Feb 2002 | Flooding 01_02_2002 | ~32.4 km |
| Oct 2000 | Flooding 28_10_2000 | ~22.6 km |
| Jan 1999 | Flooding 05_01_1999b | ~52.6 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.
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Blennerhasset Bridge | River Ellen | 0.2 km | 1.40 m | 1.72 m |
| Bull Gill | River Ellen | 8.6 km | 1.50 m | 2.51 m |
| Ouse Bridge | River Derwent | 9.5 km | 2.21 m | 3.89 m |
| Wiza Beck Storage Basin, Wigton | Wiza Beck | 9.6 km | 1.30 m | 2.58 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 |
|---|---|---|---|---|
| Blennerhasset Ww Pumping Station | River Ellen | 0.2 km | 199 (2024) | 3,017 |
| Blennerhasset Wwtw Blenn | River Ellen | 0.6 km | 24 (2024) | 265 |
| Bothel Wastewater Treatment Works | Bothel Beck (gill Gooden) | 2.1 km | 115 (2024) | 519 |
| Greyhound Inn Cso 021wr | Bothel Beck | 2.3 km | 32 (2024) | 26 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
10 mapped flood-defence assets within 500 m — nearest ~120 m (natural high ground, embankment, wall). 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 CA7 3RN — all in the CA7 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 CA7 district.