Regardless of the age of your UPVC windows, misted up glass presents an unsightly problem. If you catch the issue early, there is a better chance of being able to fix misted up windows quickly. Usually, the misting on a window is a tell-tale sign of a bigger problem. It could be something as small as a broken seal; and this is why condensation will start to form.
If you have started to notice misty double-glazed windows, taking quick action today can prevent further damage from being caused to the other parts of your UPVC fitting. If there is air getting in and causing a misting to occur, call WDRS and get help to diagnose the issue quickly.