Replacement Glass Only
Biggar - ML12
Enquiry from: Jamie L
Start Date: Immediate
We have just had a spontaneous glass failure in a glass roof panel
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Biggar - ML12
Enquiry from: Jamie L
Start Date: Immediate
We have just had a spontaneous glass failure in a glass roof panel
Lanark - ML11
Enquiry from: Ann R
Start Date: Immediate
Replace double glazed units
Carluke - ML8
Enquiry from: Joe M
Start Date: Immediate
Need a quote on 4 new windows
How much do Window Installers cost? Prices for Window Installers in 2026 can differ relying on the kind of task that you require to have performed in your house. It's the inquiry we get asked a whole lot "how much do Window Installers charge?". It's generally very good to have an idea of how much a Window Installer are going to likely charge for their services. Prices will probably rise and fall based upon the products and also the tradesman selected. The table reveals the sorts of service that Window Installers typically do and also the typical cost range of these jobs. Some tasks take longer to complete than others so prices do fluctuate by task.
View our Window Installer cost guide View our Window Installer advice| Window Installer job | Window Installer cost in 2026 |
|---|---|
| Double glazing in Biggar | £1,500-£5,000 |
| Upvc double glazing units only in Biggar | £800-£1,200 |
| Triple glazing in Biggar | £1,500-£5,000 |
| Aluminium windows in Biggar | £1,875-£2,875 |
| Wooden window in Biggar | £3,750-£5,750 |
| Aluminium windows supply only in Biggar | £2,600-£3,900 |
| Upvc or wood porch in Biggar | £2,625-£4,025 |
| Sash window in Biggar | £1,800-£6,000 |
| Glaziers in Biggar | £57-£87 |
| Secondary glazing in Biggar | £1,500-£5,000 |
| uPVC Single Window in Biggar | £225-£345 |
| Wooden sash windows in Biggar | £3,750-£5,750 |
| Wooden windows supply only in Biggar | £2,760-£4,140 |
| Aluminium repair in Biggar | £240-£360 |
| Window repair in Biggar | £268-£402 |
| Wooden window repair in Biggar | £320-£480 |
As well as keeping your home warmer and reducing noise, you’ll notice a saving on your energy bills from installing double glazing. If you install A++ rated windows in your home after having single glazing, you could save up to £120 year on your energy bills. The Energy Saving Trust has more information.
If a window is double glazed, it has two panes of glass that have a space between them containing argon gas. The gas works as an insulator, keeping heat inside the house as well as reducing noise. It also strengthens the window.
Whether you need toughened glass in your windows depends on where the windows are in your home or business. Toughened glass is sometimes referred to as tempered or safety glass, and it just means it’s stronger than the standard glass that’s usually offered with double glazed windows. So how do you know if you need it?
Toughened glass is useful in areas of your home where you might come into contact with the windows if you were to trip and fall. If you put your hands out to steady yourself on standard glass the chances are it would break into large sharp pieces with jagged edges. Of course, this means that you could seriously cut yourself if this were to happen. With toughened glass, the structure of the glass is changed so that if it breaks it shatters into lots of tiny pieces, minimising the risk to you if you were to fall on it.
You might want to use toughened glass in patio doors, low windows or frames next to doors. It just means that you will be safer if the unlikely happens and you or a family member falls through the glass. There are certain requirements through Building Regulations with windows at a certain level, but any reputable window installer should be able to go through these with you if you need to replace your windows with toughened glass. The regulations will only apply to new windows – there's no need to switch your windows to toughened glass early, but when you do come to replace them you’ll need to make sure they meet the standard.
A porch is a small and low structure (with a roof) located at the main entrance of a building or house. It’s typically without a window (although newer variations may come with one) and can either be screened-in or enclosed to prevent unwanted access from insects and extremes in weather. In addition, some homes may have a three-season porch or sun porch. This may be situated by the side of the house and covered by the roof overhang - they’re usually screened in to offer good access all year round.
Generally, porches serve a wide range of purposes. They include:
• Provision of an outdoor living space to relax during the summer months
• It’s an informal extension of the the living room.
• It serves as a great place for social gatherings especially in small towns.
• You can take off your dirty shoes and dry a dripping wet dog before entering into your living room.
• It can be incorporated for relaxation purposes and watching street activities.
• It can serve as a reception area for guests.
• It can also be used for outdoor storage.
Pros & Cons Of A Porch
Pros
• Due to the fact that they’re covered, porches may require little maintenance practices.
• It can go a long way to improves the curb appeal of your property.
• It protects against the extremes of the weather.
• It can be constructed using a wide range of materials.
Cons
• It does not improve the use of the property
• It can be quite expensive to install depending of the material required as well as size of the porch.
• It does not add to the value of the home unlike several other home improvement projects
• It may not be safe to be used by a child or pet.
On the grand scale of things there isn’t a huge difference between B-rated windows and A-rated windows. Consumer watchdog Which? have calculated an extra 6.5% would be saved on energy bills with A rather than B rated panes. Be aware that A rated windows are slightly more expensive, however.
You can only repair blown double glazed windows in the sense that you can replace the sealed unit (the glass part of the window) instead of having to replace the entire window.
When a double glazed window is blown, it means that the seal around the window has failed and is now letting air in and out. Often the first sign that the sealed unit has blown is condensation on the inside of the window, which is annoying since there’s no way to get rid of it! When your sealed unit has blown, you’ll be losing heat out of the window, meaning you could be spending more on your energy bills.
As a temporary fix, you could see if you can buy a misting repair kit online, but the condensation will eventually occur again as the air gets in. The best thing to do is ask a window installer or glazier to replace the sealed unit for you.
It's simple to replace the glass in a window – the specialist will remove the beading around the window, remove the blown glass from your window frame and set it to one side. They will then clean up around the frame before adding spacers in, then fitting the new sealed unit into the frame. They’ll make sure it’s a snug fit before replacing the beading back around the window to secure it.
There's no reason to put off repairing a blown double glazed window since the cost is generally much less than replacing the entire thing. A sealed unit with installation costs an average of £100, whereas a completely new window will cost around £400. You’ll soon notice that it’s less draughty and will be able see out of your window once you’ve had the blown glass replaced.
By replacing the single glazed windows in your home you stand to make savings of around £170 each year. It’s not just the financial gain that makes double glazing attractive though and you can also save up to 680kg of carbon emissions annually. Over 20 years this is a saving of around £3,400 and 13,600kg of CO2.
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