If the recent May heatwave has shown us anything, it’s that workplace temperature is becoming increasingly difficult to ignore.

 

Across the UK, discussions around introducing an upper temperature limit for workplaces have returned to the spotlight, particularly following a spell of unusually warm weather and growing concerns around employee wellbeing. Recent reports have highlighted calls for clearer guidance and stronger protections for workers in environments where high temperatures are part of the job rather than the exception.

 

For hospitality, however, the conversation is slightly more complicated.

 

Because kitchens have always been hot.

 

Heat is part of the reality of working in hospitality. Ovens, grills, fryers, dishwashers and busy service periods all contribute to an environment that naturally operates at a higher temperature than most workplaces. During peak service, commercial kitchens can be significantly hotter than the temperature outside, particularly when equipment is running continuously and teams are working at full pace.

 

That’s why discussions around workplace temperature limits often raise an important question: Is the issue simply the temperature itself, or is it how effectively kitchens are managing the heat they generate?

 

 

Current UK legislation does not set a maximum workplace temperature. Instead, employers are required to provide a "reasonable" working environment and assess risks appropriately under health and safety law.

 

While there is guidance around managing heat in the workplace, there is no legal point at which a kitchen automatically becomes "too hot" to work in.

 

That creates a challenge for hospitality operators. What feels manageable on a typical spring day can feel very different when external temperatures suddenly climb into the high twenties or beyond. A kitchen that already runs warm in normal conditions can quickly become uncomfortable when a heatwave adds further pressure.

 

And while discussions around workplace temperature often focus on comfort, the impact goes much further than that.

 

Heat can affect concentration, fatigue levels and overall working conditions. In fast-paced service environments where timing, communication and consistency matter, even small changes in the working environment can influence performance.

 

The result is that warmer weather often exposes operational challenges that may have gone unnoticed during cooler months.

 

 

One of the challenges with kitchen ventilation is that problems rarely announce themselves immediately. Filters don't suddenly become ineffective overnight. Airflow doesn't disappear in a single day. Extraction systems don't stop working without warning. Instead, performance often declines gradually over time. Because the change is so gradual, it can be difficult to spot. Teams adapt. Processes adjust. The environment becomes the new normal. Until something changes.

 

This is why periods of unusually warm weather can be so revealing. The heatwave itself may not be the issue. Rather, it exposes inefficiencies that were already there. A blocked filter, restricted airflow or an underperforming extraction system may have been manageable during cooler months, but become far more noticeable when external temperatures rise and kitchens are operating at full capacity. In many cases, operators aren't discovering a new problem. They're discovering an existing one that warmer weather has made impossible to ignore.

 

 

When people think about managing heat in commercial kitchens, they often focus on the obvious sources.

 

The ovens.

The grills.

The fryers.

The equipment generating the heat.

 

But what often has the greatest influence on how a kitchen feels during service is how effectively that heat is being managed and removed. A well-maintained extraction system helps remove heat, grease and airborne contaminants from the working environment. It supports airflow, improves comfort levels and helps create more consistent working conditions throughout the day.

 

When systems are operating efficiently, most people barely notice them. When they're not, the effects can be felt surprisingly quickly. Kitchens feel hotter. Air becomes heavier. Teams become more aware of the environment around them. Equipment may have to work harder. And during busy periods, those seemingly small issues can have a much greater impact than operators expect.

 

This is one of the reasons why extraction and filtration should be viewed as more than just maintenance tasks. They are part of the overall performance of the kitchen.

 

 

Historically, extreme heat has often been viewed as an occasional disruption in the UK. Increasingly, that assumption is changing. As warmer weather becomes more frequent, hospitality businesses are likely to spend more time thinking about how their kitchens perform during periods of sustained heat.

 

The conversation is no longer simply about comfort. It's about resilience.

 

The businesses that cope best are rarely the ones scrambling to react when temperatures rise. More often, they are the ones that have invested in maintaining the systems that support day-to-day operations all year round.

 

 

The current debate around workplace temperature is an important one. But for hospitality businesses, the answer may not simply be identifying a number on a thermometer and deciding whether it is acceptable.

 

A more useful question might be: How effectively is the kitchen managing the heat it already generates? Because while operators can't control the weather, they can influence how their kitchens perform when temperatures rise.

 

Ventilation, extraction, filtration and regular maintenance may not be the most visible parts of a commercial kitchen, but they play a significant role in how comfortable, efficient and resilient that environment becomes under pressure. And as this May heatwave has reminded many operators, it's often the systems working quietly in the background that make the biggest difference when conditions become more challenging.