Bathrooms are a breeding ground for humidity, and winter only exacerbates the issue. While many households rely on open windows to combat condensation, homes are more likely to suffer when temperatures start to plummet as we fight to keep the heat inside.

This week, weather maps forecast temperatures in parts of the UK are set to drop to -3C as a blizzard hits. But without enough ventilation during cooler temperatures, steam collects on mirrors, tiles and painted walls, and over time, this can lead to black mould spots, musty smells and damage to grout and plaster. In severe cases, mould can affect air quality and have serious health consequences for people with asthma or allergies.

Households urged to keep bedroom doors open in December

Condensation stays off windows for weeks if

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