Friday, July 17, 2026
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When the warmth is on: HR’s heatwave motion plan 



Abstract: No authorized most temperature doesn’t imply no obligation. When a crimson alert is issued, employers should be shifting on danger assessments, cheap changes and versatile working.


With the Met Workplace issuing a crimson warmth well being alert for six areas of England this week and temperatures forecast to exceed 37°C (hotter than Spain at present) it may be arduous to remain cool-headed at work. 

The UK Well being Safety Company has described the danger as making use of to “even the wholesome inhabitants”. This isn’t a three-day productiveness blip or distraction. It’s a real office well being and security occasion, and HR wants a plan.

No most temperature doesn’t imply no responsibility

The primary query staff will ask is whether or not it’s too sizzling to work. 

The sincere reply is there’s no authorized most working temperature within the UK. Staff don’t have an automated proper to down instruments as a result of it’s heat. 

The Well being and Security Govt set a minimal office temperature of 16°C (13°C for bodily demanding work) however clearly states there may be “no significant higher restrict”.

What employers do have, nevertheless, is a authorized responsibility of care. 

Meaning conserving temperatures at a snug degree, with clear contemporary air, and finishing up danger assessments earlier than assigning work. Significantly something bodily or outdoor, and take cheap steps to stop foreseeable hurt. 

Warmth must be handled as a office hazard in the identical method as some other well being and security danger.

The sensible upshot is that HR and line managers shouldn’t wait for workers to boost issues, however get forward of it. Evaluation and replace danger assessments, paying explicit consideration the place work is bodily demanding, undertaken outdoor or entails weak staff.

Warmth must be handled as a office hazard in the identical method as some other well being and security danger

Sensible steps: what the HSE recommends

The HSE steering is obvious on what employers can do to guard indoor staff: present followers or air con; enhance air flow and permit home windows to open; use blinds or reflective movie to dam direct daylight; transfer workstations away from warmth sources; and provide free chilly consuming water. 

It’s price noting that in a crimson alert occasion like this present heatwave, these are baseline necessities.

For outside staff, the dangers are increased and the duties extra acute. Reschedule bodily demanding work to cooler components of the day. Present shaded relaxation areas. Enhance the frequency of breaks. 

Employers must also take into consideration potential private harm claims if staff undergo heat-related sickness and applicable precautions weren’t taken.

Supply consuming water, relaxation breaks and staggered hours the place you may. And guarantee staff can recognise the signs of warmth stress – headache, dizziness, nausea, speedy heartbeat – so any issues could be escalated.

Versatile working and attending to work

Excessive warmth impacts greater than consolation at a desk, it impacts the journey, particularly for workers depending on public transport. Trains decelerate, surfaces turn out to be unsafe and commuting in 37°C warmth can go away staff arriving already depleted, if in any respect. 

The place doable, permit staff to regulate their begin and end instances to keep away from peak warmth in the midst of the day. 

Think about whether or not conferences that require journey can transfer on-line. Rethink productiveness: this isn’t a lot about avoiding work, reasonably it’s about directing power the place it issues and eradicating pointless publicity to situations that carry real well being danger. 

For roles the place distant working is an choice, a short lived, short-term shift to residence working is simply good sense. 

Susceptible staff

HR groups must be significantly aware of their duties beneath the Equality Act 2010.  

For instance, are a few of your staff could also be at better danger from the affect of the warmth due to pre-existing medical situations. 

The warmth could exacerbate signs and make it harder for people to hold out their position safely. In these circumstances employers might have to think about cheap changes beneath the Equality Act 2010. 

Additionally, staff who’re pregnant might also want somewhat additional help within the circumstances. Revisit being pregnant danger assessments and think about extra relaxation breaks (significantly the place sleeping and relaxation is troublesome), modifying working hours or briefly adjusting workloads. 

In all circumstances, doc your selections and talk clearly with staff.

Working dad and mom and college closures

Faculties in some areas are closing early or sending kids residence as a result of warmth. For working dad and mom, this creates extra and sudden childcare pressures. 

Deal with these requests with the identical consistency and equity you’d apply to any short-term hours adjustment or emergency go away scenario.

Staff have the best to take unpaid day off for dependants in an emergency, however the spirit of fine folks administration right here is apparent: the place you may flex, flex. 

A father or mother managing a sudden college closure will really feel extra stress and stress so deal with them accordingly – and bear in mind, it’s only a day or two. 

A few of your staff could also be at better danger from the affect of the warmth due to pre-existing medical situations

Costume codes: consolation inside purpose

Now’s presumably not the time to implement a strict gown code, except there are strict well being and security necessities (greatest right here to revisit your danger assessments and regulate accordingly). 

Stress-free it is likely one of the easiest and most seen issues HR can do to sign that it’s taking the warmth severely. Set clear parameters: comfy and applicable for an expert surroundings, not beachwear. Talk the change clearly and specify when regular expectations will resume. 

The place workwear is safety-critical – on development websites, in sure medical settings –  the danger evaluation dialog is extra advanced, however the precept is identical: shield folks first.

Don’t get burned 

Sure, working within the warmth could be troublesome; nevertheless, HR’s response to it ought to comply with acquainted rules: talk clearly and early, apply insurance policies persistently, make cheap changes and put folks’s security first. 

Having a transparent plan which contains well being and security, worker help in addition to setting expectations is essential.

Temperatures rise they usually fall – let’s use this as a possibility to check-in with our workers and discover the positives.  

Can we use this as an engagement device – in spite of everything, who doesn’t love an ice lolly? 

Actionable insights

  1. Evaluation danger assessments now: Prioritise outside staff, bodily roles and anybody whose well being situation could possibly be aggravated by warmth.
  2. Temporary line managers earlier than staff begin asking: Give them a transparent, constant place on versatile hours, gown codes and breaks.
  3. Attain out to weak staff proactively: Pregnant workers and people with power situations could not increase it themselves.
  4. Get forward of faculty closure requests: Resolve your place upfront so the response is truthful, quick and constant.
  5. Doc every part: Changes provided, communications despatched and selections made.

Learn one other article by Emma O’Connor: HR’s sport plan for the World Cup 2026

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