Why homes still get damp even when the sun comes out An Article By: Dampsmart If you ask most people when mould and damp are a problem, they’ll say winter. Cold walls, condensation on the windows, that unmistakable musty smell as soon as the heating goes on. It’s a fair association — cold surfaces and warm, wet indoor air are a classic combination for condensation. But it’s also given people a dangerous blind spot: the idea that once summer arrives, the risk goes away. It doesn’t. This misconception is common across the built environment. We recently monitored a real property through a week in late July — outdoor temperatures peaking at 26.6°C, and found conditions that would concern any surveyor at any time of year. No cold snap. No condensation on a freezing window. Just a home that stayed persistently, quietly humid, every single day, for the entire monitoring period. Here’s what that actually looked like, and why it happened. Warm outside, humid inside, and moisture going nowhere This was a mid-terrace flat, built around 1900, monitored for a week from 21–27 July. Outdoor conditions were genuinely warm: daytime highs ranged from 22°C to 26°C across the week, with the … Continue reading Mould In The Home Doesn’t Wait For Winter