Too Hot to Work?

GRASSMONSTER SAYS:

Too Hot to Work? UK Faces Legal Lag on Extreme Heat Protections

The sun might be shining, but for many British workers, it’s starting to feel like a slow-roast under fluorescent lights. As temperatures soar across the UK, a quiet but burning question is surfacing: when is it legally too hot to work?

The answer, alarmingly, is murky.

Unlike cold weather protections – where regulations suggest a minimum workplace temperature of around 16°C – there is no maximum limit written into UK law. That means, technically, you could be expected to work in sweltering, unsafe conditions with nothing more than a desk fan and a sigh from HR.

But with climate change turning heatwaves from occasional events into annual threats, the pressure is rising – both on the thermometer and on lawmakers.

Health and safety experts have called for clear legislation to define when conditions become unsafe. Unions are demanding reform. And employees across the country are reporting symptoms of heat exhaustion, dehydration, and fainting – especially in kitchens, warehouses, construction sites, and poorly ventilated offices.

Some employers are acting responsibly, adjusting hours, providing fans or breaks, or sending staff home. But others? They’re sweating the spreadsheets, not the staff.

The Trades Union Congress (TUC) has long pushed for a legal limit of 30°C in general workplaces – and 27°C in physically demanding environments. Beyond that, employers would be forced to act: reduce workloads, provide cooling measures, or pause operations.

So far, the government hasn’t budged. Guidance remains vague, relying on the word “reasonable” – a term that means everything and nothing, especially when your forehead is dripping into your keyboard.

The legal gap matters. Because workers can’t be expected to function like machines. Heat affects concentration, decision-making, and safety. One mistake on a scaffold, one misjudged step in a factory – and the consequences go far beyond sunburn.

This isn’t about luxury. It’s about dignity. And it’s time the law caught up with the climate.

@grassmonster

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