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New-build homes in the UK suffer from severe overheating

Residents face extreme indoor temperatures as summer heatwaves highlight design flaws.

July 25, 2025 at 10:09 AM
blur 'It's a 35°C furnace': What makes new-build homes unbearable in summer

Rising summer temperatures expose flaws in the design of Britain's new-build homes.

New homes in Britain become unbearably hot during summer

Newly built homes in Britain are facing severe overheating issues as summer temperatures soar. Many of these buildings, designed to hold heat during the colder months, now trap it, leaving residents uncomfortable. A recent report reveals that 22% of homes are at risk of overheating due to large windows and inadequate ventilation. As temperatures in some apartments reach 35°C, tenants are voicing their concerns. One expecting mother expressed fear for her unborn child's health, having purchased an air conditioning unit to combat the heat. The alarming trend shows that the UK is no longer characterized by mild summers, leading to increased public health risks. Experts warn that the current regulations do not require air conditioning in new builds, even as calls for change grow louder in light of rising heat-related deaths.

Key Takeaways

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Overheating in new builds is a growing issue in the UK.
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22% of properties are vulnerable to high summer temperatures.
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Expecting mothers are particularly at risk due to high indoor heat.
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Current regulations do not mandate cooling systems in new homes.
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The situation represents a dire public health challenge.
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Experts call for a comprehensive air conditioning strategy.

"British homes are designed to retain heat, not lose it."

Dr Mehri Khosravi emphasizes the design flaws in British housing facing climate change.

"Heat-related death rates in the UK in 2022 were over 10 times those in Sweden."

Ed Hezlet highlights the alarming statistics on heat-related deaths in the UK.

"We have to escape our home to avoid high temperatures."

A Woodberry Down resident explains the desperate measures families are taking to cope with the heat.

"This is not just a building design issue; it’s a public health issue."

Dr Khosravi links home overheating to broader public health concerns.

These issues highlight a significant disconnect between urban housing designs and changing climate realities. As UK summers become more intense, homes that prioritize heat retention are short-sighted. This situation functions as a public health crisis, with the most vulnerable segments of the population, including pregnant women and young children, at higher risk. The lack of effective cooling solutions in new buildings represents a critical oversight in urban planning. As temperatures rise, it will be crucial for policymakers and developers to prioritize thermal comfort in residential construction.

Highlights

  • New homes become like furnaces in summer heat.
  • Residents flee their homes to find relief outdoors.
  • Pregnant women find themselves in an overheating crisis.
  • Urban planning must adapt to changing climates.

Overheating in new homes raises public health concerns

New builds in Britain are increasingly unable to cope with rising summer temperatures, putting residents at risk, especially vulnerable groups. Calls for regulatory changes are growing as heat-related health issues become more prevalent due to climate change.

The future of housing in the UK must adapt to protect residents from extreme heat.

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