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Flash Flooding Threatens Over Two-Fifths of London’s Businesses

  • Zurich Insurance analyzed buildings at risk from heavy rain
  • Climate change will increase risks from surface water flooding
A London taxi drives through a flooded road in The Nine Elms district of London in July 2021.
A London taxi drives through a flooded road in The Nine Elms district of London in July 2021.Photographer: Justin Tallis/AFP/Getty Images

More than 126,000 commercial buildings in London are at risk from flash flooding. Climate change will heighten that threat.

Those are the findings of a new study by Zurich Insurance Group, which mapped every commercial and mixed use property in the U.K. capital against areas at risk from heavy rain. Nearly half of all basements used by businesses are threatened by flooding, it found.