Extreme Heat at Work: UK Workers Face Rising Risks 2026

Extreme heat at work is becoming a critical issue for UK employees, especially those in physically demanding roles like construction, baking, and cooking. As temperatures soar above 35°C, workers without air conditioning face serious health risks, yet no legal maximum working temperature exists in the UK.

Why Extreme Heat at Work Is a Growing Danger

Climate change is making heatwaves more frequent and intense across the UK. For workers in kitchens, building sites, and delivery vehicles, this means prolonged exposure to dangerous heat levels. Unlike office workers, these employees cannot escape to air-conditioned spaces, putting them at higher risk of heat exhaustion, heat stroke, and even death.

Joshua Swinney, head chef at the Plimsoll pub in north London, describes using frozen tea towels and ice baths to cope. He notes that adapting menus to avoid ovens is difficult when your signature dish is a cheeseburger. Construction worker Kenny Dinsdale, aged 65, warns that dehydration and heat stroke are real threats, especially for an aging workforce.

Current UK Laws on Workplace Temperature

The UK currently has no enforceable maximum working temperature. The Workplace (Health, Safety and Welfare) Regulations 1992 only state that temperatures must be "reasonable," leaving interpretation open. This contrasts sharply with other European countries that have clear limits.

Campaigners are pushing for a maximum working temperature to protect workers. Spain and Belgium offer models, with Spain setting 25°C for light physical work and Belgium 22°C for heavy physical work. Adopting similar standards in the UK could save lives and reduce heat-related illnesses.

Who Is Most at Risk from Heat Stress?

Certain occupations face higher risks due to physical exertion and lack of cooling. These include:

• Construction workers and roofers
• Kitchen staff and bakers
• Bus and delivery drivers
• Paramedics and emergency responders
• Teachers in poorly ventilated classrooms

Practical Solutions to Beat the Heat at Work

Employers can take steps to reduce heat stress, such as adjusting work schedules, providing hydration stations, and using fans or cooling vests. For indoor workers, installing air conditioning or improving ventilation is key. In extreme cases, shifting heavy work to cooler hours can prevent dangerous exposure.

Workers themselves should monitor symptoms like dizziness, nausea, and confusion. Taking regular breaks in shaded or air-conditioned areas is essential. The Health and Safety Executive (HSE) offers guidance on managing heat stress, but without legal limits, enforcement remains weak.

FAQ

Key Takeaways

• UK lacks legal maximum working temperature, unlike Spain and Belgium.
• Construction, kitchen, and transport workers face highest heat risks.
• Heat stress can lead to serious injury or death if not managed.
• Employers should adopt proactive measures to protect workers.
• Campaigns are growing for stronger regulations.

As heatwaves become more common, the need for clear workplace heat standards is urgent. Workers deserve protection from extreme heat, and employers must prioritize safety. Stay informed and advocate for change to ensure every worker can return home safe.

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