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Just like everything around your home, your doors and windows will age and gradually less efficient over time. Good quality windows should be able to stand up to the wear and tear of daily use and being exposed to the elements, but even the best windows can’t last forever and will need to be replaced eventually.


Double glazing can stop working and need to be replaced if you want your home to stay warm and to prevent cold air and drafts from coming in. Replacing windows could be an essential home maintenance task. Here’s how to tell when it’s time to have some new windows fitted. 

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How Often Should Windows Be Replaced?


The average lifespan of most double-glazed windows is around twenty years. The lifespan of your windows can vary, depending on other factors in your home and the quality of the materials used, and the installation job. It is very important that you make sure that your windows are good quality, energy-efficient windows to keep your home warm, quiet, and to reduce your energy bills.


The kind of window that you choose for your home can also play a big part in how long they will last before needing to be replaced. For example, uPVC windows and doors are commonly used, because they are known for their strength and longevity. 


If you are considering home window replacement, look for a window company that will offer a good guarantee on all their windows as standard. This guarantee should cover repairing or replacing any faults with your doors and windows for the whole guarantee period after they have been installed. Look for a window fitter with lots of experience too, so you can be confident they have been installed correctly and will last you for a long time to come. 


Signs It’s Time To Replace Your Windows

They’re Letting In Drafts And Cold Air


If you notice cold air or drafts coming in through your windows, then this is a big sign that your windows are not performing as efficiently as they should be, and it’s time to start looking into having them replaced. If you have single-pane glass, then it is well worth the cost of having your windows upgraded with double-glazing. Double-glazing will help out a lot more drafts and cold air, so your home will stay much warmer.


Double-glazing can fail, however, and become less efficient as it gets older. If you can feel drafts around the window frame of double-glazed windows, then it could mean that a seal somewhere in or around the window has failed and isn’t working properly anymore. 


Visible Damage


Your windows have to deal with a lot, from the weather to daily use, so it is expected that you will see some signs of wear and tear on them over time. General marks and scuffs aren’t anything that you need to worry about and can be easily wiped away to get rid of them. However, if you notice that your window frames are rotting or cracked, then these need to be replaced as soon as possible, as it could be causing a lot of serious damage to your home.


Mold and dampness can form when windows have become cracked and aren’t insulating your home properly anymore. If you’re selling your house, remember the importance of curb appeal to attract buyers. Unsightly, rotting window frames can cause damage to the house, and to the value of your home too. 




Condensation is one of the most common issues that can affect how effectively your double-glazing performs. It might seem like no big deal, but it can actually cause some real problems for your homes. If you notice that there is condensation starting to gather on the inside facing glass, then this tells you that you probably have a ventilation issue. Installing higher quality windows in their place can help to reduce condensation problems.


The biggest issue that comes with condensation is when it forms between two pane of glass. If this has happened, this tells you that your double-glazing has failed. Failed double-glazing won’t be keeping your home as warm as it should do, so it will need to be completely replaced. Don’t ignore condensation, even if it seems innocuous. If you aren’t sure how big a problem it is, ask a professional to take a look for you. 


You’ve Noticed That Your Carpets And Furniture Are Fading


Most modern windows come with built-in protection from UV, which helps to block out the incoming rays from the sun that can cause your carpets and furniture inside the house from starting to fade. If you have older, or single-pane windows, it is likely that the lack of UV protection is what is causing damage to your carpets, furniture, artwork, and other surfaces, by exposing them to ultraviolet rays. 


Your Windows Are Not Opening And Closing Properly


Windows that have got stick and are now very difficult to open and close are really annoying to live with. If this happens, it’s a clear sign that your windows are not performing as well as they should be. If your windows are closing by themselves or getting stuck, then you should seriously consider getting them replaced. Sticking windows are a nuisance, but they can also be a health and safety hazard. If you can’t get the window open and need it as an escape route in the event of an emergency, this could be a serious problem.


If you are having issues with drafts and other window problems, and want to keep your home nice and warm at the same time as reducing your energy bills, then it could be time for some new windows. Look for windows that have been rated highly by for energy-efficiency. If you’re going to invest in new windows, invest in the best quality you can afford. Good quality windows will last longer, and do a better job of keeping your home a comfortable temperature all the time. 

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Digital Product Creator at Kori at Home
Kori is a late diagnosed autistic/ADHD mom. She is currently located in Albany, NY where she is raising a neurodiverse family. Her older daughter is non-speaking autistic (and also has ADHD and Anxiety) and her youngest daughter is HSP/Gifted. A blogger, podcaster, writer, product creator, and coach; Kori shares autism family life- the highs, lows, messy, and real. Kori brings her own life experiences as an autistic woman combined with her adventures in momming to bring you the day-to-day of her life at home. Kori is on a mission to empower moms of autistic children to make informed parenting decisions with confidence and conviction.

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