How to Stop Condensation in Your Glasgow Bathroom
Condensation is one of the most common problems in Glasgow bathrooms, especially in older tenement flats with solid walls and limited ventilation. Left unchecked it leads to black mould, peeling paint and damage to plaster and joinery. The good news is that it is almost always fixable once you tackle the cause rather than just the symptoms.
Why condensation happens
Warm, moist air from showers and baths hits cold surfaces — windows, tiles, external walls — and turns back into water. Poor ventilation lets that moisture sit in the room instead of being removed, so it settles on the coldest surfaces and feeds mould.
The main ways to fix it
- Fit a properly sized extractor fan that vents to the outside, not into the loft or a cavity, and runs on a timer overrun after the light goes off.
- Improve background ventilation — a humidity-controlled fan or trickle vents help clear moisture even when the room is not in use.
- Add gentle background heat (a heated towel rail or underfloor heating) so surfaces stay warmer and attract less condensation.
- Manage daily habits — keep the door shut while showering, wipe down surfaces, and avoid drying laundry in the bathroom.
- Deal with any underlying damp — if mould keeps returning after cleaning, there may be a deeper damp or insulation issue worth investigating.
Common mistakes
The usual culprits are an undersized or wrongly vented extractor fan, relying on an opened window alone, or not running the fan long enough to actually clear the moist air. Getting the extraction right is what makes the biggest difference.
If condensation and mould keep coming back in your bathroom, HomeDecorZone can assess the ventilation and recommend the right fix as part of a refurbishment. Get in touch for a free quote.