Does CA12 5BY flood?

Keswick, Cumberland

Up to Medium likelihood

Properties in CA12 5BY 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 bandAnnual chancePropertiesOf which homes
Highgreater than 3.3%00
Medium1% – 3.3%30
Low0.1% – 1%20
Very lowbelow 0.1%00

Over a 25-year mortgage, a property in a medium-likelihood area has a 22–57% chance of flooding at least once.

The ground around CA12 5BY

The ground here sits at about 83 m above sea level and falls 30 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-east, 7.3 m higher.

Shaded relief map of the ground around CA125BY, computed from Environment Agency LiDAR. The ground here sits at about 83 m above sea level and falls 30 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-east, 7.3 m higher.
Shaded relief of the bare ground within about 400 m of CA12 5BY, 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 CA12 5BY — £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 CA12 5BY

FloodRadarProperty Flood-Risk Report
CA12 5BY
Moderate flood risk — investigate further

Because properties in the medium likelihood band; 6 recorded floods nearby; 565 official warnings since 2006.

D 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 Medium
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 CA12 5BY. 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 CA12 5BY

565
flood alerts & warnings within 10 km since 2008
215
of them full flood warnings or severe warnings
2026
most recent warning nearby (2026-06-08)

Warnings cover flood areas, not individual addresses.

Recorded floods near this postcode

DateRecorded floodApprox. distance
Oct 2021 Keswick Oct 2021 ~1.0 km
Feb 2020 Storm Ciara 09_02_2020 ~13.1 km
Feb 2020 Storm Ciara Keswick 09-02-2020 ~0.3 km
Dec 2015 Keswick 05_12_2015 ~0.4 km
Nov 2009 Keswick November 2009 flooding ~0.3 km
Oct 2008 Keswick Campsite & Rugby Club October 2008 ~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.

Named storms that brought flooding here

Desmond (2015, 20 warnings nearby) · 2013-14 UK winter floods (2013, 17 warnings nearby) · Ciara (2020, 5 warnings nearby) · Callum (2018, 5 warnings nearby)

The rivers that matter for CA12 5BY

GaugeRiverDistanceTypical highHighest on record
Greta Bridge River Greta 0.5 km 2.70 m 5.35 m
Keswick Campsite River Greta 0.9 km 2.00 m 4.03 m
Portinscale River Derwent 1.6 km 1.33 m 4.27 m
Lodore Derwentwater 4.3 km 1.40 m 4.05 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
Penrith Rd River Greta 0.5 km 0 (2024) 0
Rawnsley Hall Pumping Station The River Greta 0.6 km 56 (2024) 47
Lattings Close Cso 028nf River Greta 0.9 km 4 (2024) 1
Thick Riggs Cso (022uy) River Derwent 1.7 km 0 (2024) 0

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

Flood defences

27 mapped flood-defence assets within 500 m — nearest ~41 m (embankment, wall, flood gate, 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 CA12 5BY — all in the CA12 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 CA12 district.