How can simple double glazing maintenance tips save you money on energy bills?

When it comes to improving the performance, comfort, and appearance of your home, choosing high-quality double glazing is just the beginning. Just like any other part of your property, it needs a little care from time to time. With the right approach, you can keep your windows and doors looking like new while retaining their energy-saving benefits. In this guide, we’re sharing our top double glazing maintenance tips to help homeowners across Sidcup and Kent get the most from their investment.

Understanding double glazing and its benefits

Double glazing is made up of two panes of glass separated by a sealed space, often filled with an inert gas like argon. This clever design significantly reduces heat transfer, making your home warmer in winter and cooler in summer. In fact, the Energy Saving Trust estimates that quality double glazing can reduce heat loss through windows by up to 40%.

As well as improving your home’s thermal performance, double glazing acts as an effective sound barrier — a big benefit for homes near roads or in busy neighbourhoods. Whether you’ve chosen uPVC windows, or aluminium doors, all double glazing installations are meticulously engineered to support better energy efficiency and enhanced comfort.

Regular cleaning and maintenance

One of the simplest yet most effective ways to prolong the life of your double glazing is through regular cleaning. We recommend using a soft cloth and a mild, non-abrasive soap solution to clean both the glass and frames. Avoid harsh chemicals, particularly on uPVC frames, as these may cause discolouration or material degradation over time.

Make it a habit to clean your windows at least twice a year. During this process, take the time to inspect seals and gaskets. These components play a crucial role in draught-proofing and insulation, and any damage or wear can allow heat to escape, lowering your home’s energy efficiency. Keeping these parts in good condition helps prevent falls in performance and ensures that your investment continues to deliver excellent results in terms of home insulation and energy savings.

Inspecting for common issues

Even with the highest quality products, wear and tear can occur — especially as your windows and doors age. One of the most common indicators of a problem is condensation between the panes. This issue suggests the insulating glass unit (IGU) has failed, compromising the window’s effectiveness and requiring attention.

It’s also worth checking the frame for any signs of warping, cracking or swelling, especially in poorly installed units. Functionality is just as important: your double glazing should open and close easily and securely. If a window or door becomes stiff or difficult to operate, it may need adjusting or repairing before it leads to more significant issues.

Seasonal maintenance routines

Each season brings a different set of conditions, making seasonal maintenance essential for getting the most out of your double glazing. In the lead-up to winter, check the seals around your windows and inspect drainage channels for blockages. This’ll help prevent moisture build-up and protect against rising condensation issues when the temperature drops.

Spring is the perfect time for a thorough clean and a visual inspection of all your window fixtures. A fresh exterior not only improves kerb appeal but also ensures your units are performing optimally. To stay ahead of problems, we suggest booking a professional inspection at least once every five years. An expert will be able to spot issues that aren’t always immediately visible, maintaining safety standards and prolonging the life of your double glazing.

When to seek professional help

Sometimes, despite your best efforts, problems arise that require expert attention. If you’re dealing with persistent draughts, leaks, or mechanisms that just won’t budge, it’s time to get in touch with a professional. Reliable double glazing repairs can restore your installation’s thermal efficiency and help you avoid higher energy bills.

At Affix Windows, we offer a no-hard-sales approach and honest advice tailored around you. We’re a family-run business based right here in Sidcup, and we’ve proudly supported homeowners across Kent and Bexleyheath with long-lasting, affordable double glazing solutions. Whether you need minor repairs, window replacements, or a full inspection, our team is here to help — always ensuring we meet British Standards and regulatory compliance.

You can visit our showroom on Blackfen Road to explore our range in person or speak to our friendly expert team about your home improvement goals. Alternatively, request a free quote online today — we’ll simply provide all the details you need to make an informed decision.

Double glazing that lasts with the right care

Taking a proactive approach to window maintenance is the key to preserving the beauty and performance of your double glazing. These easy, practical steps can save you money, protect your home, and keep everything running smoothly throughout the seasons.

So, will you spend a little time maintaining your windows today to save a lot more tomorrow?

For expert advice, trusted repairs, or to explore our custom double glazing range, get in touch with Affix Windows — your local experts in Sidcup and Kent.

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