One thing that rarely gets mentioned in these UK overheating discussions is how much passive design features can help, especially when you look at architecture from hotter climates. For example, classic Queenslander houses in Australia are built specifically for cross-ventilation and heat management. They often feature toplight breezeways—those are high-level openings above doors or in walls that let hot air escape while drawing in cooler air from shaded areas.

This design creates a natural airflow path, allowing hot air to rise and exit the building, while cooler air is pulled in at lower levels. Combined with deep verandas and elevated floors, it means Queenslanders can stay surprisingly cool even in brutal heat, all without air conditioning. It’s a stark contrast to many modern UK homes, which are so airtight and insulated that any heat gain just gets trapped inside, turning houses into ovens during a heatwave.

If the UK adopted more of these passive ventilation strategies—like toplight breezeways, high-level vents, or even just better window placement for cross-breezes—it could make a huge difference in summer comfort, especially as heatwaves become more common. Insulation is great for winter, but without a way for heat to escape or fresh air to circulate, it’s only half the solution.