Keep your cool: Understanding the Maximum Temperature Law in the UK

When it comes to ensuring worker safety in warm temperatures, it’s crucial to stay informed about the maximum temperature at work law in the UK. As the mercury rises, it’s time to dive into practical tips that will help you keep your team cool and protected while complying with the regulations. In this blog, we’ll guide you through understanding the maximum temperature law in the UK and provide valuable insights to ensure a safe and comfortable working environment. Let’s get started!

Understanding the Maximum Temperature Law in the UK

In the UK, there is no specific maximum temperature set by law that employers must adhere to. However, the Health and Safety Executive (HSE) states that employers have a legal obligation to provide a safe working environment. This includes assessing and managing risks associated with high temperatures.

Tips for ensuring workers keep their cool

  • Stay Informed: Keep yourself updated on the guidance provided by the HSE regarding working in warm temperatures. Stay informed about the risks associated with excessive heat and the measures you can take to mitigate them.

  • Conduct Risk Assessments: Regularly assess the risks associated with working in warm temperatures. Consider factors such as humidity, direct sunlight, and the duration of exposure. Involve your workers in the risk assessment process to gain valuable insights.


Provide adequate ventilation: Ensure that workspaces are well-ventilated to improve air circulation. If possible, use fans or air conditioning systems to maintain a comfortable working environment. Proper airflow can help prevent heat-related illnesses and enhance productivity.

Encourage hydration: Promote a culture of hydration among your workers. Provide access to cool drinking water and encourage frequent water breaks. Remind employees to drink fluids regularly, even if they don’t feel thirsty. Proper hydration is essential for maintaining well-being in warm conditions.

Increase breaks and create rest areas: This measure will definitely gain you more brownie points among your workforce. Allow for regular breaks and establish designated rest areas that provide shade or cooler environments. Encourage employees to take breaks in these areas to cool down and recharge.

Dress Code and Personal Protective Equipment (PPE): Review your dress code policy to ensure it aligns with warm weather conditions, and encourage workers to wear lightweight, breathable clothing if this is possible. You might need to evaluate the suitability of personal protective equipment (PPE) in hot conditions and make adjustments if necessary.

Training and education: Educate your workers about the signs and symptoms of heat-related illnesses. Training supervisors to recognise early warning signs and empowering them to take appropriate action will help prevent others becoming unwell in warmer environments. 

Some of the symptoms of heatstroke include: 



  • Excessive Sweating
  • Fatigue and Weakness
  • Dizziness and Lightheadedness


  • Headaches
  • Nausea and Vomiting
  • Muscle Cramps


  • Rapid Heartbeat
  • Pale or Flushed Skin
  • Confusion and Disorientation
  • Fainting

While we might joke about never being happy about the weather in the UK, it’s important to encourage serious open communication to ensure workers feel comfortable reporting any discomfort or concerns.

Emergency preparedness: Develop an emergency response plan to address heat-related illnesses quickly. Train employees in basic first aid procedures for heatstroke, heat exhaustion, and other heat-related emergencies.

You might need to make some tweaks to your first aid kits to deal with these issues, and they should always be well-stocked and easily accessible. It might help to have your appointed first aiders schedule regular checks so you’re not stuck when someone need an item that isn’t there.

By understanding the maximum temperature law in the UK and taking the above steps, you can create a safe and comfortable working environment for your team, even in the high summer heat.

Remember, communication, awareness, and proactive measures are key to ensuring worker safety and well-being. So, keep your cool, and let’s make sure your workforce stays healthy, happy, and productive!

How you can take care of your lone workers in the heat

If someone is suffering heat stress, but there is no one around to spot the signs of come to their aid, how can you help them? 

If you are having to factor heat risks into your risk assessment, don’t forget you’ll need extra precautions if someone is working alone or away from others. Our Pre-Alert function on our PG Pebble and PG Smart allows workers to make a note if they’re feeling unwell, while our Fall Detection algorithm will automatically send an SOS if the heat gets too much for someone, notifying operators of their GPS location so they can send help quickly.

Get in touch to find out more.