UK subsidence claims surge after record hot summers; average claim hits record £20,000

Created Nov 13, 2026 • AI-generated summary

Reports from 13 November 2026 that UK insurers including Aviva, Hastings Direct (August claims up 140% year on year) and Axa saw surging subsidence claims after consecutive record hot summers, with an ABI-reported record £20,000 average claim and £72m total domestic subsidence payouts in April–June 2026 (up from £60m a year earlier). Aviva's Amanda Blanc described a peak period July–September with claims continuing into October, and Aviva reported general insurance premiums up 19% to £11.8bn in Q3. British Geological Survey estimates up to 11% of UK homes (over 4.2 million) could be at risk by 2070, with London, Essex, Kent and Oxford areas most vulnerable. Membership limited to coverage of this November 2026 industry-wide subsidence claims reporting; the separate September 2026 surge reporting is a distinct story.