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Amber O'Connor & Catherine Addison-Swan

Expert advises seven things you can do to stop condensation even if you have double glazing

Condensation can prove to be a particular problem for many households as the freezing winter weather persists, even for those who have double glazing fitted.

This common issue can soon turn into a costly nightmare, bringing with it damp and mould that can ruin your home and cause health issues if left untreated. Fortunately, there are several things you can try to combat it - from small changes that don't cost a penny to longer-term investments that could save you money in the long run.

Allan Reid, founder of double glazing experts Art Windows and Doors, has advised customers of his top tips to banish condensation - and which method will suit you best depends on your situation at home. From taking steps to improve ventilation to upgrades like trickle vents and PIV units, here are the expert's seven solutions to the problem, The Mirror reports.

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Keep an eye on your paintwork

It's important to be aware of the warning signs that could mean you have a problem with condensation in your home, so that you can tackle it before it causes costly damage. Examining the paint on your walls around your windows could be a tell-tale sign that things aren't right.

Allan advised: "If the paint around your windows is starting to chip, bulge or flake, this indicates a condensation problem. Whether moisture is trapped underneath the paint or the varnish begins sweating during the colder months, this can exacerbate condensation problems further."

"In addition, paint can often hide dampness, which is caused by condensation," he added. "By ignoring the flaking paint and continuing to replace it, you avoid treating the problem, allowing it to worsen."

Make sure you have proper ventilation

The first step you can take towards preventing condensation is making sure your home is well ventilated. "Whether you have single, double or triple-glazed windows, proper ventilation is always the best way to reduce condensation," Allan advised.

The easiest way to do this is to open your windows - however, when temperatures are freezing outside this can be less than ideal. However, it has been suggested that you only need to open all windows for three minutes each day to combat condensation problems, meaning that you don't have to endure the cold for long.

Replace air-tight seals

If you are noticing condensation between the window panes on your double glazing, this could mean that the seals on the window have failed and need to be replaced to stop further issues arising. "Replacing the air-tight seal between your layers of glass is essential to prevent water vapour," Allan explained.

"If the seal fails and the insulating gas is not present, the subsequent water vapour will reduce the lifespan of your windows and potentially lead to draughts and chilly air. Luckily, replacing an air-tight seal is often inexpensive, costing between £5 to £10 per window."

Fit trickle vents

Getting trickle vents fitted - small window vents which allow a steady stream of fresh air in - could also help with condensation while also being relatively cheap to install, as they can be fitted onto existing windows. Allan explained: "Trickle vents can be fitted into all different types of window frames, including double and triple glazing.

"These are highly effective at aiding the circulation of air in your home, leading to a reduction in mould, condensation and dampness," the expert said. "Unfortunately, some older homes may lack these features, but the units are mandatory when replacing windows as of 2022."

Get an extractor fan

If you are able to afford the upgrade to your home, installing an extractor fan could have a significant impact on reducing condensation and thus preventing further problems from arising. According to Checkatrade the average cost of getting a new extractor fan fitted is around £300, but the cost to install "far outweighs the cost of poor ventilation".

Allan advised: "You can install an extractor fan directly into a double-glazed window - and even single-glazed windows - for a significant reduction in condensation. This is particularly effective for rooms prone to steaming, such as kitchens and bathrooms, with cooking and showering leading to an increase in water vapour."

Invest in a PIV unit

Another investment that could save you money in the long run is a PIV unit, which works by drawing in fresh air from outside and circulating it around the home to improve ventilation. While these units were previously unheard of by many households, they are becoming more and more common as people look to avoid the expensive repairs linked to damp problems.

Allan said: "PIV units have several great benefits for your home, including improving the quality of air, eliminating humidity and condensation and reducing pollutants. PIV systems can also help to reduce any dust mite allergens and asthma symptoms.

"Another great bonus is that PIV units are incredibly cheap to run, costing from £1 to £2 a month after installation. For their low cost, their effective capabilities in eradicating both mould and condensation make them a popular choice."

Install additional glazing

Finally, you may wish to consider updating your windows to add in more glazing - while double glazing is often hailed as a better alternative to single glazing, many households may not know that they can also opt for triple glazing. This is, of course, the priciest option on the list as it means having new windows fitted, but it could save money longer term.

"With triple glazing up to 40% more thermally efficient than most uPVC double glazing, the extra layers can also help to reduce draughts, condensation and cold spots," Allan said. "With better insulation, you can moreover lower your energy bills and keep your home warmer in the colder months, meaning the extra cost is often worth it - especially as bills spiral."

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