Double glazing repair cost

Question

Two of our windows have misted up between the panes. Can just the glass units be swapped rather than whole new windows, and what does that cost?

Ranjit · Answer

Yes

You can replace the window units only 
Approximately £150.00 per square meters
Is the fitting price

Graeme · Answer

Yes. In most cases, you do not need to replace the whole window frame. When double-glazed windows mist up between the panes, it usually means the sealed glass unit has failed and the insulating seal has broken down. The normal solution is to replace just the sealed glass units and reuse the existing frames.

The process involves:

* Removing the glazing beads
* Taking out the failed double-glazed unit
* Measuring and ordering a replacement sealed unit
* Refitting it into the existing frame

Typical UK costs (per sealed unit):

* Standard double-glazed unit: approximately £80–£150 fitted
* Larger units or specialist glass: approximately £150–£300+ fitted
* Two average-sized windows: often around £160–£300 in total

The price can vary depending on:

* Glass size and thickness
* Whether it is toughened, laminated, low-E, or acoustic glass
* Accessibility
* The type and condition of the existing frame

Replacing the glass units is usually significantly cheaper than replacing complete windows, and if the frames are in good condition, there is generally no benefit in changing the entire window.

If you can provide the approximate glass sizes (height × width) and whether they are uPVC, aluminium, or timber frames, I can give a more accurate estimate.

Ricardo · Answer

Yes the units can be replacement.

Martin · Answer

You are looking at about 100 pound

Or so depending on size

Adam · Answer

Yes, absolutely. If the frames are still in good condition, there’s no need to replace the whole windows. We can simply replace the misted double glazed units.

Prices depend on the size and glass specification, but as a guide, replacement sealed units are typically around £120–£200 per unit supplied and fitted. Larger units or those requiring toughened, laminated, or decorative glass may cost more.

David · Answer

Yes it can. That is the way it is done. We come out measure the glass and space bar to order a new complete unit

Rick · Answer

Yes it’s a very easy change over of d/glaze units depending on size of units typical size glass unit around £60/80 per unit plus labour

Surinder · Answer

We can replace the panes without any problems; we do this all the time

Saulius · Answer

Glass units can be replaced. Cost depands on glass size, location, and difficulty of replacement it self.

Double glazing repair cost

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