UK: Over 4.6 Million Homes Overheat, Heat-Related Deaths Surpass 4,500
Over 4.6 million homes in England struggle with extreme heat during summer months, with heat-related deaths surpassing 4,500 in 2022. The Environmental Audit Committee (EAC) warns that without action, this number could rise to 10,000 annually. They propose various measures to combat this issue, including improving cooling technologies, adapting building standards, and enhancing public awareness.
Extreme heat exposure can lead to serious conditions such as dehydration, heat exhaustion, and heatstroke. To tackle this, the EAC suggests enhancing cooling and heating technologies like fan coil units and induction devices. Demand-controlled ventilation systems and higher cooling and heating capacities are also recommended to maintain comfortable indoor temperatures even during extreme heat warnings. Additionally, building planning standards and ventilation practices should be adapted to meet these needs.
The EAC proposes a national retrofit programme prioritising insulation, ventilation, and passive cooling to prevent overheating. They also call for amendments to Building Regulations to promote the use of ceiling fans and facilitate access to low-cost finance for cooling measures. However, public information on managing extreme heat is severely lacking, particularly for vulnerable populations. The EAC suggests a public information initiative to increase awareness of heatwave health hazards and a trial for naming heatwaves. Nature-based solutions like parks, trees, and green infrastructure are also highlighted for their cooling effects and co-benefits. Moreover, hot weather impacts mental health, with suicide risk doubling when temperatures reach 32°C compared to 22°C.
With heat-related deaths on the rise, the UK must act swiftly to prevent overheating in homes. Improving technologies, adapting building standards, enhancing public awareness, and utilising nature-based solutions are crucial steps in saving lives and ensuring comfort during summer months.
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