Cost of Replacing Blown Windows

Replacing misted up double glazed units

Typical cost for replacing a double glazed unit is around

This type of job normally takes around 40 minutes to complete

£70

Replacing blown double glazed windows can often seem like an expense you could well do without. However, if the problem is simply misted up or cloudy double glazing, then you don't have to replace the entire window, just the double glazed unit itself. You can do this yourself as a DIY project, however, you will have to be very precise with the measuring. Most people will simply get a local joiner or window fitter and to do the job.

A great way to find a reliable local window fitter is through recommendations from friends, family or neighbours. But if this is not possible, then we provide a free and easy-to-use service on this website you can simply enter brief details about the job plus some contact information, then you can have up to 3 local tradesmen get in touch with you to provide written quotations.

Typical quotes for replacing blown windows

Things to consider with blown double glazed units

The main reason why double glazed units become misty is that the seal between the two panes of glass has failed. If this happens, then you do not need to replace the entire window including the frame. You can in fact simply replace the double glazed unit itself, alternatively, there are even specialist companies which can repair the double glazed units by removing any moisture and resealing the window.

Replacing a double glazed unit is fairly straightforward and in fact, any local handyman or DIY enthusiasts should be able to do it. However, the difficult part and the part which can often lead to expensive mistakes, as the initial measuring of the window before placing an order with a manufacturer. Any mistakes in this initial measurements can result in a brand-new double glazed unit which simply will not fit properly into the existing window frame.

Doing it Yourself

Removing blown double glazed units is normally fairly simple,  although some modern double glazed windows are fitted with special antitheft blocks which can complicate things. The double glazed units themselves can be held in place using pressure gaskets or double sided tape, but in either case can be removed relatively easily. Before ordering the replacement double glazed unit  you will not only have to be very precise with the measurements, you will also need to know the thickness of the glass panes, whether the glass is toughened, and the type of glass for example is the glass tinted or standard.

With the right skills and tools, DIY replacement of a double glazed unit is certainly possible. But you also have to consider that this is not a terribly expensive job and if you get a professional  in then the job would take as long, one be as messy, will involve much less hassle and frustration, and you can avoid a potentially shoddy job being done and then having to hire a professional in anyway!

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