Maximum Workplace Temperature: Why Employers Must Act Now 2026

The push for a maximum workplace temperature law has gained momentum as extreme heat events become more frequent. Hannah Spencer's proposal highlights the urgent need for employer action to protect workers from heat-related risks. While legislation may take time, businesses must not wait to safeguard their teams.

Why a Maximum Workplace Temperature Matters

Extreme temperatures can impair concentration, increase fatigue, and raise accident risks. The law already requires employers to provide a reasonable indoor temperature, but without a specific legal limit, many workplaces remain dangerously hot. A maximum workplace temperature would set a clear standard, ensuring consistent protection across industries.

Health and Safety Risks of Overheating

Heat stress can lead to heat exhaustion, heat stroke, and reduced cognitive function. In schools, children struggle to learn in classrooms exceeding 40°C, as recent reports show. Both workers and pupils need immediate relief from extreme heat.

Practical Steps Employers Can Take Now

Employers should implement interim measures while awaiting legislation. These steps are not only compliance-driven but also demonstrate a genuine commitment to workforce well-being.

• Adjust work schedules to avoid the hottest parts of the day
• Move physically demanding tasks to cooler morning or evening hours
• Provide shaded rest areas with fans or cooling systems
• Ensure free access to drinking water at all times
• Relax dress codes to allow lighter clothing
• Install temporary or permanent air conditioning where feasible

Comparison: Current Legal Requirements vs. Proposed Maximum Temperature

Schools Need Systematic Climate Resilience

As highlighted in recent reports, classrooms have reached 40°C, leaving pupils struggling to learn. Wet paper towels and ice pops are inadequate. The Department for Education's climate action plans are a start, but a systematic approach—including building insulation, ventilation, and cooling—is critical. Teachers and school leaders require support to implement heat protection measures effectively.

FAQs

Good employers recognise that safeguarding staff during heatwaves is about more than compliance—it's a demonstration of genuine care. The debate over a UK maximum workplace temperature is important, but action must begin now. By taking proactive steps, businesses can prevent harm and build a resilient, healthy workforce.