UK households who wake up to condensation on windows face £5,000 charge

UK households who wake up to condensation on windows face £5,000 charge
-Credit: (Image: Reach Publishing Services Limited)


UK households who wake up to condensation on their windows have been issued a stark warning as we head deeper into the winter. A condensation source could cost £5k to repair if left untreated, it has been warned, ahead of Christmas.

Mike Storey, an insulation expert at UK Flat Roofing & Insulation Specialists, said: “Condensation issues in loft and roof spaces have become more frequent in winter due to the temperature difference in and outside of the home.

"While mild condensation usually isn’t very damaging, excessive moisture in your loft space can cause serious issues. The loft is often an overlooked source of condensation, where trapped moisture can accumulate and lead to serious issues like wet rot, dry rot, and black mould.

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"Most importantly, make sure the extractor fans in the kitchen and bathrooms are working efficiently, as they remove most moisture.” If the insulation above the structural beams is thin or has gaps, it is easier for humid air to enter.

"Also, inspect for cracks in the plaster, especially where pipes, cables and light penetrate the loft space. Loft hatches that aren’t fitted well can also cause air leaks and might require sealant or insulation to block.” He explained: "Vapour barriers stop warm air and water vapour from reaching their dew point, reducing the risk of damp damage and condensation. This is especially useful in homes with poor ventilation and can help make your property more comfortable and energy efficient.”

To ensure ventilation, ensure air vents are unobstructed, including those at the eaves or ridge tiles. "These vents must remain clear to ensure a steady flow of air that will help transport moisture away from the loft," Mike added.

The warning comes as the weather continues to deteriorate, with lows of -2C expected in England this week, according to the Met Office.