Many homeowners are surprised to find that a newly refurbished home can actually become hotter and less comfortable than an older property.
Over the last few years we've seen London homes become much more airtight due to:
• New windows and doors
• Improved insulation
• Better sealing against drafts
• Open-plan layouts with large glazed areas
While these upgrades improve energy efficiency, they can also trap heat indoors during warmer months.
Common signs include:
✓ Bedrooms staying hot overnight
✓ South-facing rooms overheating
✓ Difficulty sleeping during summer
✓ Opening windows providing little relief
Before starting a refurbishment project, it's worth considering future cooling requirements alongside heating, ventilation and insulation. Retrofitting air conditioning after decoration is complete is usually more disruptive and expensive than planning for it during the design stage.
Has anyone else found their home became noticeably warmer after refurbishment or extension works?
For those interested, we've put together a more detailed guide explaining why refurbished homes increasingly require cooling solutions:
https://kluk-construction.co.uk/why-refurbished-homes-need-air-conditioning-in-2026/
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