UK heatwaves may have cost economy \u00a34.4bn in lost output so far this year, analysis finds - Grantham Research Institute on climate change and the environment<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lse.ac.uk\/granthaminstitute\/news\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UK heatwaves may have cost economy \u00a34.4bn in lost output so far this year, analysis finds - Grantham Research Institute on climate change and the environment\" \/>\n<meta property=\"og:description\" content=\"Verdant says UK heatwaves may have cost economy \u00a34.4bn in lost output so far this year, estimates which correspond with recent work by the Grantham Institute which is mentioned in the piece.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.lse.ac.uk\/granthaminstitute\/news\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\/\" \/>\n<meta property=\"og:site_name\" content=\"Grantham Research Institute on climate change and the environment\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-12T09:51:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.lse.ac.uk\/granthaminstitute\/wp-content\/uploads\/2024\/04\/Heatwave-parched-Somerset-farmland.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/news\\\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\\\/\",\"url\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/news\\\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\\\/\",\"name\":\"UK heatwaves may have cost economy \u00a34.4bn in lost output so far this year, analysis finds - Grantham Research Institute on climate change and the environment\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/news\\\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/news\\\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/Heatwave-parched-Somerset-farmland.jpg\",\"datePublished\":\"2026-08-12T09:51:20+00:00\",\"dateModified\":\"2026-08-12T09:51:21+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/news\\\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/news\\\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/news\\\/uk-heatwaves-may-have-cost-economy-4-4bn-in-lost-output-so-far-this-year-analysis-finds\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/Heatwave-parched-Somerset-farmland.jpg\",\"contentUrl\":\"https:\\\/\\\/www.lse.ac.uk\\\/granthaminstitute\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/Heatwave-parched-Somerset-farmland.jpg\",\"width\":1000,\"height\":667,\"caption\":\"Heatwave-parched Somerset farmland. 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