NHS Nurses Collapse in Extreme Heat as Hospitals Face Air Conditioning Crisis

NHS nurses are reportedly suffering illness and collapse during the UK heatwave, prompting calls for better air conditioning, ventilation and workplace protections.

NHS Nurses Report Heat-Related Illness as Hospitals Struggle With Extreme Temperatures

NHS nurses and other healthcare workers are reportedly facing increasingly difficult conditions as extreme summer temperatures put pressure on hospitals and medical facilities across the UK.

The Royal College of Nursing (RCN) has raised concerns about staff becoming unwell while working in hospitals and clinics where temperatures have remained above 30°C. Some healthcare workers have reportedly experienced dizziness, nausea, dehydration and seizures, while one nurse was admitted to the hospital where she worked after collapsing.

The concerns come during an exceptionally hot summer, with temperatures forecast to reach around 38°C in parts of the UK. Health leaders have warned that the NHS needs to prepare for extreme summer weather with the same level of planning traditionally applied to winter pressures.

Calls for Better Air Conditioning in NHS Hospitals

The RCN says many healthcare facilities are not adequately equipped to deal with prolonged periods of extreme heat.

According to reports shared with the nursing union, some hospitals and clinics have limited ventilation, windows that cannot be opened and insufficient access to air conditioning or fans. Staff have also raised concerns about restrictions on using cooling equipment in certain areas.

Healthcare workers say these conditions can make it difficult to provide safe and effective care, particularly when treating elderly people, pregnant patients and others who may be more vulnerable to high temperatures.

The union has called for NHS buildings to become more resilient to extreme heat. Measures could include improved ventilation, suitable cooling systems, access to drinking water and workplace risk assessments.

Nurses Report Dizziness, Dehydration and Other Symptoms

The reported experiences highlight the potential impact of excessive workplace temperatures on NHS staff.

Some nurses have described becoming dizzy, faint or sick while working in overheated clinical areas. Staff with existing health conditions have reportedly experienced seizures, while pregnant healthcare workers have expressed concerns about working for prolonged periods in temperatures reaching more than 30°C.

In one reported case, an endoscopy unit in Wales reached approximately 35°C after an air conditioning system stopped working.

Other NHS workers said they had been given ineffective or faulty cooling equipment. In some facilities, staff reportedly faced restrictions on using fans or portable air conditioning because of limitations involving electrical systems.

These problems can become particularly serious when healthcare workers are already operating under significant pressure.

Extreme Heat Can Also Affect Patient Care

The heat is not only creating difficulties for NHS employees. Healthcare staff have also reported concerns about the effect of high temperatures on patients.

Elderly people can be particularly vulnerable during heatwaves, while patients recovering from medical procedures may find overheated wards uncomfortable and potentially unsafe.

Healthcare workers have also reported difficulties involving equipment and medicines. In some cases, medication trolleys reportedly had to be moved to cooler areas to help maintain appropriate storage conditions.

Dialysis equipment has also reportedly been affected by overheating concerns.

Extreme temperatures can therefore create a wider operational challenge for hospitals, particularly when cooling systems fail or buildings were not designed to cope with increasingly frequent periods of intense heat.

NHS Faces Growing Pressure From Summer Heatwaves

The latest concerns come as the UK experiences another period of unusually hot weather.

Health Secretary Yvette Cooper has previously called on the NHS to strengthen its preparations for summer pressures. The aim is to ensure hospitals and other healthcare services are better prepared for heat-related illness, increased demand and difficult working conditions.

Traditionally, NHS planning has focused heavily on winter pressures, including seasonal respiratory illnesses and increased demand for emergency services. However, rising temperatures are creating a growing need for effective summer planning.

That could involve upgrading hospital buildings, improving ventilation and cooling, reviewing workplace policies and ensuring vulnerable patients can be protected during periods of extreme heat.

Why Hospital Cooling Systems Matter

Hospitals present particular challenges during a heatwave because they contain large numbers of patients, medical equipment and staff working continuously.

Many patients may have limited mobility or underlying health problems that make it harder for them to cope with high temperatures. At the same time, healthcare professionals may have to work long shifts while wearing uniforms and protective clothing.

Poor ventilation can make conditions even more uncomfortable.

The RCN has argued that employers have a responsibility to provide safe working environments. The organisation has called for measures including appropriate cooling, better ventilation, access to water and suitable uniforms during hot weather.

Risk assessments may also be particularly important for pregnant employees and workers with health conditions that could make them more susceptible to heat.

Could Extreme Heat Become a Bigger NHS Challenge?

The latest reports underline a broader issue facing healthcare systems as periods of extreme heat become a more significant part of summer planning.

Hospitals are designed to operate throughout the year, but older buildings can be difficult and expensive to adapt. Installing modern cooling and ventilation systems may require significant investment, while maintaining comfortable temperatures without disrupting clinical services can be challenging.

For NHS managers, the issue is therefore not simply about keeping staff comfortable. Temperature control can affect staff wellbeing, patient safety, medicines, medical equipment and the ability of hospitals to maintain normal services.

The experience of this summer could increase pressure for long-term investment in NHS buildings and infrastructure.

NHS Heatwave Response Will Be Closely Watched

With temperatures expected to remain high in parts of the country, NHS organisations face continued pressure to protect staff and patients.

Healthcare workers have already raised concerns about working in environments where temperatures can become difficult to manage. The latest warnings suggest that hospitals may need to treat extreme heat as a recurring operational risk rather than an occasional disruption.

Better cooling systems, improved ventilation, clear workplace guidance and stronger heatwave planning could all play a role in reducing the risks.

As the UK experiences more frequent periods of extreme summer weather, the ability of hospitals to remain safe and functional during heatwaves is likely to become an increasingly important issue for the NHS.

Source

The Telegraph on 13 August 2026.

Disclaimer

This article is written summary based on the source material. It is intended for general information only and does not constitute medical, legal or professional advice. Reported claims and statements are attributed to the original sources and should be independently verified before being relied upon.