State of Engagement 2026 Report |
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There is a very specific, quiet panic that sets into a UK workplace the moment the thermostat crosses 26°C. Because our buildings were fundamentally designed to trap the heat of a Victorian winter, a British office in a heatwave quickly becomes a greenhouse of humming desktop towers, windows acting like magnifying glasses and air-con systems broken due to overexertion
It’s a scenario that does more than just cause physical discomfort; it actively drains Employee Engagement. When people are physically stifled, motivation plummets, focus fractures and that vital sense of connection to their work begins to melt away.
While deadlines still need to be met, organisations have a unique opportunity to support their people. By proactively managing the environment, People Leaders can protect productivity while showing their teams that their wellbeing is a priority.
Here are five practical ways to keep you cool when the weather gets Mediterranean.
Expecting employees to maintain formal business attire when temperatures soar is a quick way to tank morale. Actively encourage teams to ditch the polyester, ties and suits in favour of loose, lightweight and natural fabrics. If your roles require formal uniforms or PPE, look into lighter-weight alternatives or introduce more frequent rotation schedules to give people a break from heavy gear.
Cognitive function declines when the body is exhausting its energy just trying to stay cool. By offering flexible working hours (e.g., working 7:00 AM to 3:00 PM), staff can commute before the peak midday heat and tackle their heaviest, most complex strategic tasks during the cooler morning hours.
Under UK health and safety law, there's no maximum legal working temperature, but employers must maintain a "reasonable" indoor climate1. When a Red Warning for heat is issued, it’s time to pull out and review your workplace risk assessments. Know your employees' rights and your obligations: look specifically at high-risk individuals (such as pregnant staff or those with underlying health conditions), ensure ventilation systems are fully checked and guarantee that clean, chilled drinking water is universally accessible.
Office buildings rarely heat up evenly; the person under the direct AC vent might be freezing while someone near a south-facing window is sweltering. Instead of letting thermostat wars divide the floor, map out your workspace. Designate specific areas as ‘cool zones’ where the AC is prioritised, and keep other areas slightly more moderate. Allowing employees to move freely between these zones based on their personal comfort level gives them control over their immediate environment.
If your central office is a hotbox without reliable climate control, the best management decision might be to clear it out. Relax your hybrid working rules during an extreme heatwave. Allow employees to work from home if they have a cooler environment, or conversely, invite home-workers into an air-conditioned corporate space if their domestic setup is uncomfortably hot. Flexibility shouldn't be rigid; it should adapt to the weather.
How an organisation handles the extremes says a lot about its culture. When leadership and managers proactively address the small, daily frustrations of a heatwave - whether by relaxing dress codes, stocking the freezer or simply acknowledging the slump - it sends a clear message: we care about your wellbeing.
Ultimately, the best heatwave strategy is to lean into the rare British summer energy. With a few smart adjustments and a bit of cold water, you can keep the office vibe high and the productivity steady. Put some ice lollies for your teams in the staff freezer, celebrate the sunshine and take comfort in a classic British truth: we’ll all probably miss this when the winter drizzle returns in November.
1 PCS
