Too hot for work: why extreme heat is a threat to Europe’s productivity
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- Oxford Economics lead climate economist Robert Marks warned that a four-day heatwave could cut quarterly labour productivity growth by 1.5 percentage points in the UK and up to 2 percentage points in the rest of western Europe, affecting sectors — construction, agriculture, manufacturing, retail and hospitality — that represent 27% of UK and 35% of western European economic activity.
- Allianz researchers found France could lose $240bn (£182bn) in economic output between 2026 and 2030 under a heat-stress scenario, followed by Italy ($147bn) and Spain ($120bn), a cumulative hit of up to 7% of GDP, with losses intensifying sharply above a 30C threshold.
- The UK still has no maximum legal workplace temperature — only a 16C minimum for offices — with the Health and Safety Executive advising a "reasonable" environment; unions including the Bakers, Food and Allied Workers Union and the Fire Brigades Union, alongside Extinction Rebellion, called for strikes on the hottest day.
- Spain entitles workers unable to reach their workplace to up to four days of paid leave, Germany requires employers to cool workplaces above 30C with stricter rules at 35C, and France last summer introduced regulations requiring altered schedules, sun-ray reduction and fresh drinking water — contrasts the article draws that UK coverage tends to overlook.
- In Italy's Lazio region, construction workers and delivery riders were banned from working between 12.30pm and 4pm on Wednesday, though food delivery riders were widely reported to have flouted the order.
- Monique Mosley, a worker at a Yorkshire food factory, said indoor temperatures reach the high 30s; Elusive Brewing in Berkshire halted production entirely after brewery temperatures exceeded 40C, its owner Andy Parker said.
- The piece highlights a flexible-working divide the headline framing underplays: office workers shifted to remote work while nurses, bakers, transport and shop workers — and CIPD director David D'Souza notes "that flexibility isn't available to every organisation" — bore the heat on-site.
Why it matters: The UK and several European peers lack a maximum legal workplace temperature even as Allianz projects a combined $507bn in lost output across France, Italy and Spain by 2030; without statutory caps or adaptation mandates, lower-paid on-site workers absorb the health and productivity costs of a problem economists now call a "permanent economic policy challenge" rather than a seasonal one.
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