Does CA4 flood?

Yes — parts of the CA4 district carry real flood risk: 40 of its 71 at-risk postcodes reach the Environment Agency's High likelihood band. The CA4 postcode district covers Corby and Hayton, Hesket and Lazonby, Wetheral, Alston and Fellside, close to Carleton, Warwick Bridge, Greenholme, and surrounding villages in Cumberland.

71 postcodes in the CA4 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 40 high, 12 medium, 19 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

Free preview first · full report £19

Which CA4 postcodes are at risk?

CA4 0EU up to High CA4 0LX up to High CA4 0NG up to High CA4 0PD up to High CA4 8AP up to High CA4 8AQ up to High CA4 8BZ up to High CA4 8DD up to High CA4 8FN up to High CA4 8FR up to High CA4 8HA up to High CA4 8HB up to High CA4 8HR up to High CA4 8LJ up to High CA4 8NR up to High CA4 8NS up to High CA4 8PG up to High CA4 8RE up to High CA4 8RJ up to High CA4 8RL up to High CA4 8RN up to High CA4 8RR up to High CA4 8RT up to High CA4 8RZ up to High CA4 8SA up to High CA4 9PB up to High CA4 9PD up to High CA4 9PH up to High CA4 9PQ up to High CA4 9PZ up to High CA4 9QD up to High CA4 9QQ up to High CA4 9QY up to High CA4 9RH up to High CA4 9RU up to High CA4 9RX up to High CA4 9RY up to High CA4 9RZ up to High CA4 9SG up to High CA4 9ST up to High CA4 0HA up to Medium CA4 0JJ up to Medium CA4 0QG up to Medium CA4 0QW up to Medium CA4 8EF up to Medium CA4 8EG up to Medium CA4 8NE up to Medium CA4 8NF up to Medium CA4 8NJ up to Medium CA4 8NL up to Medium CA4 9SL up to Medium CA4 9TP up to Medium CA4 0EL up to Low CA4 0HB up to Low CA4 0HG up to Low CA4 0HH up to Low CA4 0HN up to Low CA4 0PE up to Low CA4 0PJ up to Low CA4 8BU up to Low CA4 8BX up to Low CA4 8ED up to Low CA4 8LA up to Low CA4 8LR up to Low CA4 8QN up to Low CA4 8QY up to Low CA4 8RB up to Low CA4 8RD up to Low CA4 8RG up to Low CA4 9PY up to Low CA4 9QE up to Low

Rivers and flooding history near CA4

The rivers that matter here, each monitored live on FloodRadar:

173 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (173 at warning level or above), most recently 12 March 2026. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

🏠 Buying or renting in CA4? The full property flood-risk report covers any postcode here — the official likelihood band, every recorded flood nearby with distances, warning history year by year, how the local rivers behave, and an insurance outlook, print-ready for £19. See what's in the report →

Flood risk in nearby postcode districts

CA3 CA5 CA2 CA6 CA1 CA7 CA8 CA9

Band = the worst likelihood band of any property in that postcode (EA Risk of Flooding from Rivers & Sea, defence-adjusted, area-level). Check any postcode in detail — or get the full £19 property report — at the property flood-risk report. © 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.