Summary:
With autumn damp setting in, experts warn that poor ventilation could lead to condensation and mould, urging homeowners to open windows briefly each day to keep moisture levels down.
Full Story:
As cooler weather returns, many UK homeowners are once again noticing condensation forming on their windows — a common seasonal issue that can lead to damp patches, peeling paint, and even mould growth if left unchecked.
According to energy-efficiency specialists, a simple daily habit can make a big difference. Opening windows for just 10 to 15 minutes each day allows fresh air to circulate, removing excess humidity and helping prevent moisture from settling on glass and walls.
“Even a short burst of ventilation helps,” says Colin Greenslade, founder of Colin’s Sash Windows. “People are often worried about losing heat, but allowing dry air in for a few minutes can actually make rooms feel fresher and reduce long-term damp problems.”
However, experts caution that leaving windows open for extended periods during cold weather can have the opposite effect — cooling the home and increasing heating bills. The key, they say, is controlled ventilation. Trickle vents, part-open windows, and extractor fans in kitchens and bathrooms can all help balance airflow without significant heat loss.
Maintaining a steady, moderate indoor temperature also helps regulate moisture, while small habits like keeping curtains clear of radiators and wiping condensation from glass each morning can further protect against damp and mould.
Greenslade adds, “Ventilation doesn’t have to mean freezing your home. It’s about finding that balance between warmth and airflow so your windows — and your walls — stay dry.”
Experts agree that this practical approach not only keeps homes healthier but also prevents costly damage from damp during the colder months.
