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Timber Windows – Repairing vs Replacing

22 March 2023

Windows are one of the most important aspects of any property when it comes to both style and performance. Whether you’re looking for profiles that are on-trend improve your kerb appeal or offer exceptional thermal performance and security benefits – or, most likely, both of these without compromise – then you know the right windows can’t be neglected.

Here at Dempsey Dyer, we manufacture market-leading timber windows for installers all across the UK. If your next project needs wooden window profiles with exceptional performance and aesthetics, you can rely on us.

As part of our informational pieces here on our website, we’ve got our team together and collated some of our insights from many years to help you understand when customers should opt to repair their timber windows vs when they should replace them.

If you’re looking for a new timber manufacturer to support you in your next and upcoming projects, you’ve come to the right place. Here at Dempsey Dyer, we’re one of the leading manufacturers of windows and doors, both timber and uPVC, and we’re able to help you and your business generate enquiries and win more business with our innovative designer tools. Talk to our team today!

When You Should Repair Timber Windows

In some cases, it may be the right decision to repair existing timber windows rather than replace their profiles entirely. First, you’ll want to be able to identify the signs that windows need repairing or replacing. Some tell-tale signs we’ve seen over the years range from physical deterioration to sub-par thermal performance – if heat is escaping out of your windows, now more than ever it’s vital to ask quickly to avoid wasting energy.

If aesthetics are a primary concern, then the good news is that the paintwork of your timber windows could be rejuvenated relatively easily. A fresh coat of paint can last almost 10 years on your wooden windows, so if that’s all it takes, it could be a decent option to buy you a little time until you want to replace your timber windows altogether.

From a performance point of view, you may have noticed rotting or warping having an effect on older timber window profiles. The good news is that if this is spotted early enough, it can be treated quickly and relatively easily. Skilled repairers might be able to separate any damaged sills from the rest of the profile and replace these separately, so you won’t have to swap out the whole window.

In all cases, whether you’re looking to repair or replace or just get some advice, it’s always best to consult the experts. If you’re handing delicate timber window components or potentially hazardous fumes on older window profiles, you’ll want to make sure your repairs are carried out safely and responsibly. At Dempsey Dyer, we offer plenty of advice and support, so speak to us today.

When You Should Replace Timber Windows

If repairing isn’t an option, you’ll want to look at replacing your existing timber windows with the latest, most stylish and highest performance profiles on the market – such as those manufactured by Dempsey Dyer. Our specialisation in the industry means that we know what it takes to make windows that are truly the best of the best.

Perhaps you’ve looked at repairing timber windows as the first option. If you’ve found rot and mould early enough, then it can be treated. But in some cases, this has developed too far and compromised the bulk of the window profile. As such, you won’t want to waste time and money trying to fix a broken timber window that will never perform as well as it needs to.

After all, you might end up having to do it all again sooner rather than that. In this case, replacing your timber windows will be the best time-efficient and cost-effective choice in the long run.

For many homeowners, the opportunity to replace their windows opens up a wealth of existing design opportunities. With trends always changing and evolving, you’ll want to keep up with the latest style options. Whether that’s in colours or hardware, since you last replaced your timber windows (if ever) there are sure to be plenty of new options on the market to suit any home and express a customer’s personality uniquely.

From a thermal efficiency point of view, there’s never been a more pertinent time to replace older, outdated timber windows. This is because many wooden windows feature single glazing. Compared to double or triple glazing, single glazed windows suffer from sub-par energy performance, with hot air easily escaping. With upgrades to new double glazed timber windows, homeowners can save money on heating bills and stay more comfortable all year, all ways.

Market-Leading Timber Windows from Dempsey Dyer

Choose Dempsey Dyer for the highest quality replacement timber windows on the market. With many years of experience behind us and many more ahead, you can rely on us at your one-stop shop for timber windows and doors that you can count on. Get in touch with us today.


Installers and other businesses can only work effectively if they have a reliable trade supply service – offering the highest performing products. Luckily, here at Dempsey Dyer we only supply the latest options from market leaders. This guarantees quality, performance and durability – regardless of the product choice.


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