Does CA6 flood?

Yes — parts of the CA6 district carry real flood risk: 38 of its 86 at-risk postcodes reach the Environment Agency's High likelihood band. The CA6 postcode district covers Longtown, Houghton and Irthington, Dalston and Burgh, close to Linstock, Carlisle, Canonbie, and surrounding villages in parts of Cumberland and Dumfries and Galloway.

86 postcodes in the CA6 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 38 high, 18 medium, 24 low, 6 very 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 CA6 postcodes are at risk?

CA6 4AA up to High CA6 4AF up to High CA6 4AU up to High CA6 4AW up to High CA6 4BZ up to High CA6 4LJ up to High CA6 4LW up to High CA6 4PS up to High CA6 4QN up to High CA6 4QZ up to High CA6 5LH up to High CA6 5LL up to High CA6 5LN up to High CA6 5LP up to High CA6 5LQ up to High CA6 5LR up to High CA6 5LT up to High CA6 5LU up to High CA6 5LX up to High CA6 5LY up to High CA6 5LZ up to High CA6 5NA up to High CA6 5NB up to High CA6 5NT up to High CA6 5PR up to High CA6 5PT up to High CA6 5PU up to High CA6 5SL up to High CA6 5ST up to High CA6 5TN up to High CA6 5TS up to High CA6 5UX up to High CA6 5XD up to High CA6 5XU up to High CA6 6AQ up to High CA6 6AZ up to High CA6 6LH up to High CA6 6PJ up to High CA6 4AD up to Medium CA6 4BB up to Medium CA6 4BS up to Medium CA6 4LN up to Medium CA6 4NS up to Medium CA6 4QS up to Medium CA6 4RA up to Medium CA6 4RW up to Medium CA6 5LJ up to Medium CA6 5XJ up to Medium CA6 5XL up to Medium CA6 5XN up to Medium CA6 6AA up to Medium CA6 6AF up to Medium CA6 6DB up to Medium CA6 6DW up to Medium CA6 6PG up to Medium CA6 6PR up to Medium CA6 4BH up to Low CA6 4BQ up to Low CA6 4BU up to Low CA6 4EA up to Low CA6 4HA up to Low CA6 4JE up to Low CA6 4PN up to Low CA6 4PY up to Low CA6 4QL up to Low CA6 4QT up to Low CA6 4SD up to Low CA6 5SW up to Low CA6 5TQ up to Low CA6 5TY up to Low CA6 5XW up to Low CA6 6AH up to Low CA6 6AN up to Low CA6 6AP up to Low CA6 6DN up to Low CA6 6LQ up to Low CA6 6NT up to Low CA6 6PP up to Low CA6 6PQ up to Low CA6 6PS up to Low CA6 4BT up to Very low CA6 4QP up to Very low CA6 4QR up to Very low CA6 4QU up to Very low CA6 4QW up to Very low CA6 4RB up to Very low

Rivers and flooding history near CA6

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

387 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (134 at warning level or above), most recently 25 March 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in CA6? 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

CA5 CA7 CA4 CA8 CA3 CA9 CA10 CA2

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.