Misted, cracked or broken double glazing?
We replace the sealed unit, the glass itself, in the frame you already have. No new window and no mess, and it is usually under an hour a window on the day.
New units start from £75 for a hopper sized pane, the small opener at the top of a window. There is no call out fee and the quote is free. Our repair prices page explains what moves that figure.
Send us a photo of the window and a rough width and height using the form below, and we will come back to you with a price. Or ring 01698 604 278, Monday to Friday, 8am to 5pm.
Window glass replacement in Wishaw and across Lanarkshire
When the glass in a double glazed window fails, the window itself is nearly always fine. The part that has gone is the sealed unit: two panes of glass, a spacer bar round the edge and a seal holding it all together. We replace just that, in the frame you already have. Misted units, cracked panes, smashed glass, door glass and bathroom obscure glass are all the same job at heart, and we do it across Wishaw, Motherwell, Hamilton and the rest of Lanarkshire.
We work only with double glazed sealed units, and we do not cut glass ourselves. We measure the failed unit, our supplier makes a new one to those exact measurements, and we come back and fit it. Every unit arrives factory sealed and made for your frame, and no subcontractor is involved from the first visit to the last. Units start from £75 for a hopper sized pane, and there is no call out fee.
Misted windows: replace the unit, keep the frame
A misted window is a sealed unit whose seal has failed. Moist air gets into the gap between the panes, and you see fogging, droplets or a milky haze that will not wipe off from either side. It does not clear by itself, and drilling and drying it out does not last. The fix is a new sealed unit, made to measure and fitted into your existing frame.
- Misting, fogging or a cloudy haze inside the glass that will not wipe off
- Droplets, or even mould between the panes
- A smeared, blown look that comes and goes with the weather
- A colder feel near the window as the unit loses its insulating value
Is it the unit, or condensation in the room?
Wipe the inside of the glass first. If the mist comes off on the cloth, it is condensation from the room air, which is a ventilation problem rather than a failed unit. Dew on the outside on a cold morning is good news: the unit is insulating so well that the outer pane stays cold. Only mist you cannot reach from either side means the seal has gone. Our page on window condensation goes into the first two in more detail.
Cracked or broken glass
Broken glass is the same repair with more urgency. If a pane has been smashed, the first job is making the opening safe, and the glass goes back in once the new unit has been made. Our broken window repair page covers boarding up and reglazing. A pane that has cracked with nobody near it is usually down to stress in the glass, and why a window cracks on its own explains what happened. If the glass is only scratched, can scratched glass be repaired sets out the options.
Sealed unit replacement, step by step
Two visits, normally inside the same week. On the first we measure the unit, check the beading and confirm the glass type. The new unit is made to measure, and standard clear units come back from the supplier in a few working days. Obscure patterns, toughened safety glass, leaded or Georgian bar units and anything oversized take a little longer.
On the second visit the beading comes off, the old unit comes out, the new one goes in and the beading goes back. It is usually under an hour a window, the room is usable again straight away, and the old glass leaves with us.
Choosing the glass for the new unit
Like for like is the usual choice, but a failed unit is the easy moment to improve things while the beads are already off. The new unit is made to the same overall thickness as the old one, so it sits in the same beads and gaskets, and we confirm the glass with you before anything is ordered.
- Door glass and side panels: glass in and beside a door has to be safety glass, and that is what goes back in. Our door glass replacement page covers uPVC and composite doors in more detail.
- Toughened and laminated glass: toughened where the standards require it, at low level and near doors, and laminated where security or noise matters. Our guide to toughened or laminated glass explains the difference.
- Obscure glass: bathroom and door patterns, matched to the rest of the house where the pattern is still made. See obscure glass for bathrooms.
- Energy efficient glass: low emissivity units that keep more of the heat in. Window energy ratings explained covers what the labels mean.
- Georgian bars and leaded units: so a repaired window still matches the others. See Georgian bars and leaded glass.
Bars, patterns and decorative glass
A few of the bar styles and obscure patterns we can fit. If you need a pattern matched, send a photo taken square on with daylight behind the glass, and we can usually tell you what it is.
What glass replacement costs
Replacement sealed units start from £75 for a hopper sized pane, the small opener at the top of a window. Above that the price depends on the size of the unit and the glass in it, so a large toughened pane beside a door costs more than a small obscure pane in a bathroom. Every job is quoted on its own, the quote is free and there is no call out fee. Our repair prices page explains what moves the figure, and what it costs to fix a misted window compares a new unit with a new window.
Send a photo on WhatsApp with a rough width and height, and we can usually give you a good idea of the cost before anybody comes out.
Glass replacement, in our customers’ words
Two glass jobs from our Google reviews. One customer had seven failed units replaced in one go, and Tom had broken panes replaced within a week of the quote.
“Jim replaced 7 failed double glazing units for us. Fair price, no mess, and a very fast turnaround. Our windows are crystal clear again!”
Google review
“Came out quickly for our quote and managed to fit us in to replace broken panes of glass within a week.”
Tom, Google review
Every one of our reviews is on Google, and there is a selection on our reviews page.
Where we cover
We replace glass all over Wishaw, including Craigneuk, Cambusnethan and Netherton, and out to Newmains, Motherwell, Hamilton, Bellshill, Airdrie, Coatbridge, Carluke and Lanark and East Kilbride, as far as Glasgow and Livingston. The full list is on our areas we cover page.
We work Monday to Friday, 8am to 5pm. We do the work ourselves, so the person who measures your glass is the person who fits it.
Questions we get asked about glass replacement
Will the misting clear on its own?
No. Once the seal has gone, moist air gets in every time the glass warms and cools, and the fogging gets worse rather than better. Some days it looks clearer than others, which fools people into waiting a winter longer than they needed to. The background is in why double glazing mists up.
Can you not just drill it and dry it out?
You will see that offered. We do not do it, because it does not last. Drilling and venting a unit removes the visible fog for a while, but the unit is no longer sealed, the gas fill is gone and the misting comes back. Replacing the unit fixes it once.
One pane has gone. Should I do the rest at the same time?
Only if they have actually failed. Units fitted on the same day do tend to fail within a few years of each other, so it is worth walking round with a torch on a cold morning and checking, but there is no sense replacing glass that is still sealed. If several have gone, doing them together brings the price per window down.
Can you replace the glass in a uPVC door?
Yes. Door glass comes out in much the same way as window glass and goes back in as safety glass. Decorative door glass can often be matched, and if the exact design is no longer made, we will tell you before anything is ordered.
Do I need to be in when you fit it?
Usually, yes. On most uPVC windows the beads are on the inside, so we need to get into the room. It is about an hour a window on the fitting day, and the room is usable again straight away.
Do you do single glazing or old timber windows?
No. We only replace double glazed sealed units. We do not do single glazing, or timber windows where the glass is bedded in putty, so if that is what you have, you need someone who does traditional glazing work. If your windows are double glazed, send us a photo and we will tell you straight away whether it is a job for us.
Is the frame ruined?
Almost never. The frame and the beading are fine in the large majority of cases, which is the whole point of replacing the unit rather than the window.
Replacement sealed units start from £75 for a hopper sized pane. Call 01698 604 278, send a photo on WhatsApp or use the form at the top of this page, and we will price it.
A failed unit is one kind of double glazing repair among several. If the frames themselves have had their day, our page on new windows and double glazing covers replacement, and our reviews page has what more than a hundred customers have said about us.