Does RG30 flood?

Yes — parts of the RG30 district carry real flood risk: 14 of its 74 at-risk postcodes reach the Environment Agency's High likelihood band. The RG30 postcode district covers Battle, Burghfield & Mortimer, Southcote, Kentwood, close to Calcot, Reading, Sulham, and surrounding villages in parts of Wokingham and West Berkshire.

74 postcodes in the RG30 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 14 high, 7 medium, 49 low, 4 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 RG30 postcodes are at risk?

RG30 1LQ up to High RG30 3DZ up to High RG30 3JH up to High RG30 3RA up to High RG30 3RB up to High RG30 3SS up to High RG30 3TA up to High RG30 3TN up to High RG30 3UH up to High RG30 3UJ up to High RG30 3UN up to High RG30 3XN up to High RG30 6AX up to High RG30 6AY up to High RG30 1BN up to Medium RG30 1EA up to Medium RG30 3RR up to Medium RG30 3TJ up to Medium RG30 3UL up to Medium RG30 3UT up to Medium RG30 6BX up to Medium RG30 1AE up to Low RG30 1AH up to Low RG30 1AN up to Low RG30 1AW up to Low RG30 1BW up to Low RG30 1BY up to Low RG30 1DH up to Low RG30 1DZ up to Low RG30 1EX up to Low RG30 1EZ up to Low RG30 1FB up to Low RG30 1FD up to Low RG30 1FE up to Low RG30 1FF up to Low RG30 1HR up to Low RG30 1HS up to Low RG30 1HT up to Low RG30 1HU up to Low RG30 1HX up to Low RG30 1HZ up to Low RG30 1JT up to Low RG30 1JX up to Low RG30 1JY up to Low RG30 1LA up to Low RG30 1LB up to Low RG30 1LL up to Low RG30 1LN up to Low RG30 1LP up to Low RG30 1LW up to Low RG30 1NL up to Low RG30 1NP up to Low RG30 3HH up to Low RG30 3HJ up to Low RG30 3HN up to Low RG30 3NB up to Low RG30 3NN up to Low RG30 3RD up to Low RG30 3SU up to Low RG30 3TH up to Low RG30 3TL up to Low RG30 3UE up to Low RG30 3UF up to Low RG30 3UG up to Low RG30 3UW up to Low RG30 3XD up to Low RG30 3XJ up to Low RG30 3XL up to Low RG30 3XP up to Low RG30 3XT up to Low RG30 3EB up to Very low RG30 3ED up to Very low RG30 3HR up to Very low RG30 3RE up to Very low

Rivers and flooding history near RG30

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

364 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (75 at warning level or above), most recently 28 March 2026. Warnings cover flood areas, not individual addresses.

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

Records, not floods: no outline on the record is not evidence a place has not flooded.

🏠 Buying or renting in RG30? 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

RG29 RG31 RG28 RG27 RG26 RG25 RG24 RG22

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.