The modern appetite for glass box extensions and homes with vast swathes of glazing might be great for creating a connection to the great outdoors and flooding spaces with natural light, but there’s one big drawback if poorly conceived. Overheating. Some time ago, I visited a London home with a brand new fully glazed side return extension on a hot day in July, where the owner was clearly finding out first hand that overheating hadn’t been part of the calculations.
It’s no secret that we’ve been experiencing record-breaking temperatures during the summer months, and those homes with majority-glass extensions designed by architects who haven’t weighed up the risks of overheating will suffer most in
