Tuesday is forecast to be a scorcher with temperatures edging 36C, however Wednesday would be the peak of the heatwave because the mercury hits 40C.
Temperatures may edge 40C on Wednesday
PA
The remainder of the week can be cooler, however temperatures will nonetheless sit between 27C and 29C via the weekend.
The identical could be mentioned for a lot of of London’s workplace buildings, which lack the architectural design to maintain cool when the mercury soars.
Whereas extra fashionable buildings will probably come geared up with temperature regulators, many different staff might need to crack open a window.
Fortunately, Brits have some rights concerning office protections, which means your boss must be conscious of workplace temperatures. The office temperature guidelines within the indoor office are coated by the Office (Well being, Security and Welfare) Laws 1992.
However there’s a little bit of a catch. Right here’s what it’s worthwhile to learn about your worker rights when it will get too sizzling.
Is there a legislation that claims it’s too sizzling to work?
The laws state that employers should legally present workers with a “affordable” temperature within the office and good air flow.
However legally, there isn’t any minimal temperature or statutory higher restrict for workplaces, which means employers truly depend on office suggestions quite than legislation.
What’s the minimal office temperature?
The Accepted Code of Observe says that the bottom really useful temperature is 16ºC, or 13ºC when it’s bodily work, however there’s no such steering for the opposite finish of the spectrum.
What are the principles for increased temperatures?

Individuals benefit from the heat climate in Victoria Tower Gardens in Westminster, London in August 2024
Jordan Pettitt/PA Wire
As a result of excessive temperatures present in sure work environments akin to glass or foundries, no significant determine has been decided for when it’s too sizzling to work.
The Well being and Security Govt (HSE) mentioned: “In such environments, it’s doable to work safely offered applicable controls are current.”
What are the temperature suggestions?
The Chartered Institute of Constructing Service Engineers recommends the next temperatures for various working situations:
- Heavy work in factories: 13C
- Mild work in factories: 16C
- Hospital wards and outlets: 18C
- Places of work and eating rooms: 20C
What rights do staff have throughout sizzling spells?
In line with the Authorities web site, “Workers ought to discuss to their employer if the office temperature just isn’t comfy.”
The HSE says: “If a major variety of workers are complaining about thermal discomfort, your employer ought to perform a danger evaluation, and act on the outcomes of that evaluation.”
HSE tips additionally advise that employers ought to be certain that their staff have entry to water throughout sizzling climate.
So whilst you can actually complain to your employer if the temperature is making you’re feeling uncomfortable, it doesn’t essentially imply you’ll be able to go dwelling.
Are there any plans to introduce a most working temperature?
In June 2024, the Trades Union Congress warned that the federal government should herald most working temperatures. It mentioned that persevering with to work in sizzling climate can result in dehydration, rashes, fainting and – in excessive instances – lack of consciousness. It added that outside staff are thrice extra more likely to develop pores and skin most cancers.
In line with the HSE, an appropriate thermal consolation for most individuals lies roughly between 13C and 30C.
However there are at the moment no official plans to introduce a most working temperature by legislation.
What do different main European nations do over Summer season?
Similar to the UK, some European nations have tips and suggestions about when it will get too sizzling within the workplace. For instance, there seems to be a piece restrict if workplace temperatures rise above 27°C in Spain, whereas nations like France and Germany don’t have an outlined higher restrict however do have strict office protections.
What’s extra, some European nations are far more accustomed to coping with a scorching summer season.
From workplaces within the European mainland geared up with air con to some nations encouraging afternoon siestas, our European neighbours could seem extra geared up to deal with the warmth.
In Spain, for instance, it’s additionally quite common for companies to take the month of August off when temperatures attain their peak.

