‘National scandal’: extreme heat linked to 40,000 deaths in England between 1988 and 2025
ONS data shows rising toll of climate crisis, with officials warning this summer on track to set further records

TL;DR
- Over 40,000 extra deaths in England between 1988 and 2025 have been linked to the hottest days.
- This summer is on track to record the highest ever number of heat-related deaths in the UK.
- Emergency departments in England experienced their busiest period ever this summer due to extreme heat.
- London had the highest number of deaths attributable to the hottest temperatures.
- The risk of dying increases by 50% when temperatures exceed 24C in most English regions and Wales.
- Historically, more deaths occurred on coldest days, but the gap between heat- and cold-related deaths is narrowing.
- Experts warn that heat deaths may overtake cold deaths if emissions are not reduced.
- Recommendations include installing air conditioning in public buildings and setting maximum indoor/outdoor working temperatures.