How Much Does It Cost To Install Double Glazing
Double glazing is a win-win-win: information technology can save you up to £95 a year, make your home harder to burgle, and keep you shielded from the noise and cold of the exterior world. All of these benefits for the boilerplate cost of £640 per window.
Of course, there are lots of different things that tin alter this price, including the size, blazon, and style of the window. Fifty-fifty the cloth you choose can add or deduct a few hundred pounds to the neb.
Luckily, nosotros've analysed the dissimilar prices homeowners tin can expect to pay for each type of window below.
Want to skip the reading? You can compare the best double glazing prices by popping a few details nearly your home in our easy-to-use quote tool . We'll pass on your details to our expert suppliers, who'll get in bear upon with yous with complimentary quotes for y'all to compare.
What's on this page?
Boilerplate cost of double glazing per window
On average, double glazing costs £640 per window – only it tin be at least a couple of hundred pounds cheaper, with top quality double-glazed windows, available for as trivial as £300. On height of this, installation can cost effectually an extra £250 , but it'south worth it for that professional bear on.
Bear in mind that if your installer needs to put upwardly scaffolding to get to your window, that'll too cost actress – and the higher the window, the higher the price.
If you're getting a bay window replaced, installers will also need more time (and, therefore, more money) to fit information technology. It'll take about half a solar day for two people, whereas simpler models similar casement windows tin can be washed and dusted in a couple of hours.
Double glazing toll calculator
Use our double glazing cost reckoner to bank check how much you're likely to pay for your new windows.
If you want to see how much you could save, consummate this class to receive quotes for brand new windows.
The cost of double glazing in different types of window
Every window is special, standard sizes don't really exist, and every supplier will charge you lot dissimilar amounts – just you lot need to be able to compare prices.
Before you can piece of work out how much double glazing will price you, y'all need to choose a frame fabric.
And then here's how much a single 100cm x 100cm double glazed window volition cost y'all on average with different types of frame, to give you an thought of what to await.
| Type | Average cost |
| uPVC | £560 |
| Wood | £600 |
| Aluminium | £650 |
| Steel | £720 |
The cost of double glazing based on business firm size
To give you an idea of how much you tin look to spend on your new double glazed windows, we've outlined some prices that will align with the size of your house.
The graph beneath shows how much a set of windows will cost yous, depending on the amount you lot become, equally well as the material you selection. Merely call back, this is just an approximate – the price of your windows will fluctuate depending on the size, blazon, and mode you cull.
If you'd like to learn more about the cost differences between window types, head over to our All-time Double Glazed Windows page.
How do colours and types of drinking glass impact the price of windows?
Not just does the frame affect the price of your window, but the glass does, too. Double glazing has come on leaps and bounds in the past decade, offer a range of different types of glass which all serve a different purpose.
If yous'd like a basic double glazed window, you could go for annealed (otherwise known equally bladder) glass. Information technology's the cheapest option, just is nevertheless particularly difficult to break. On the other hand, if yous want to become for an fifty-fifty stronger drinking glass, such equally toughened or tempered glass – which is about three to iv times tougher than float drinking glass – this volition cost you.
Y'all'll also be looking at additional costs if you want to add a splash of colour to your windows. You should look to pay an extra corporeality of between 10% and 20% of the cost to add a colour finish.
How much do different double glazing designs price?
Your next move is to cull a window design. This conclusion may be made for you – after all, a bay window is hard and expensive, though not impossible, to convert into a apartment window – just otherwise, it'due south completely up to you.
In that location is a wide range of prices, but in full general, casement windows – with their simple hinges and traditional appearance – are the cheapest option. In that location'south a reason why they're the well-nigh common window type in Europe.
However, sash window south are more pop in the Great britain these days. They usually aren't much more than expensive, and are simply equally intuitive as their casement counterparts: simply push up or downwardly to open and shut.
You could also opt for the slightly pricier tilt and plough , which tin can exist opened horizontally or vertically, or a dual turn , which is a sash window where both parts rotate vertically instead of sliding up and down.
And of class, if you want to let in more light, create the illusion of a bigger space, or but brand your window the main attraction of whatsoever room it's in, yous tin can go for a bay window – but information technology'll cost yous. The boilerplate bay design is twice equally expensive as almost whatsoever other type.
What affects the average price of new windows?
As mentioned to a higher place, a window'southward manner and frame material will affect its value, simply there are other factors to consider.
The toll of your new windows can vary greatly depending on which double glazing company y'all choose. Plus, if any of your new windows have to exist installed on the second floor of a habitation, you might need scaffolding, which will cost actress.
It sounds obvious, only you should also retrieve about how many windows you desire to buy. If you get 2 instead of one, it'due south almost twice as expensive – around £i,100 compared to £640.
But if you're struggling to meet the costs, that's okay. There are double glazing government grants bachelor in the Britain, and you may well qualify.
Factors which will touch the toll of double glazing
Toll of replacement vs new double glazing
When your old window isn't working properly anymore, it'south tempting to become for the cheaper option and just replace the glass. This would be a mistake.
While it'southward cheaper at starting time to just get your double-glazed glass replaced and leave your former frame in place, you could rapidly lose everything you gained from this initial saving.
Firstly, the issues you're trying to accost will remain.
You desire your window to be improve at insulating you from the loud noises and cold winds of the outdoors, and therefore reduce your energy bills.
For this, yous'll need a new frame every bit well. Getting replacement panes ways you'll have better glass, but an old frame can also have a sizable impact on your energy efficiency, and may not fuse with your new panes properly.
In this example, the replacement glass will exist a costly and useless buy. Nigh major window companies won't just supervene upon your glass , and there's a reason: it doesn't solve the problem.
Go a new window, and salve hundreds of pounds in the long run.
The average cost of double glazing your dwelling house
The cost of double-glazed doors
Prices start as depression every bit £300 for a 90 10 210cm front end door with double-glazed drinking glass, though this will rise to around £550 when you include the installation cost.
The average overall cost for a double-glazed front door is £700 , though your verbal price will depend on the materials used, your supplier, and how large your product needs to be.
Sliding French doors with double glazing carry a heftier cost tag, and the bigger they are, the harder they are to beget.
Y'all tin can expect to pay an average of £i,200 for this blazon of design, though prices can go equally high as £2,000 – and so make sure to decide beforehand how much you want to spend.
Which frame option is right for your double glazed window?
In these glorious modern times, a plethora of options are bachelor to consumers of double glazed windows, all with their own advantages and disadvantages.
Yous could choose the new plastic child on the block, uPVC , which has risen to prominence either side of the millennium. It'south cheap, low-maintenance, and durable , which might exist why information technology's the well-nigh popular frame textile beyond Europe.
Around half-dozen meg uPVC windows are sold each year in the UK – twice the number of wooden frames . This may be downwards to wood's more than expensive price tag and its neediness (it requires more maintenance, to forbid rotting, mould, mildew, and peeling).
However, wooden frames wait great, and are much better for the environment – it takes eight times more energy to create uPVC frames when compared to wooden ones.
Wooden frames also insulate heat much better than steel or aluminium , keeping you nice and toasty on those cold wintertime nights – though once again, they lose out to uPVC in this category.
Though steel and aluminium are worse at insulating you lot against the slings and arrows of our irresolute seasons, they are slim and long-lasting, and tin can be recycled . They also look sleek and modern, which matters when yous have to expect at them every mean solar day.
Double glazing vs triple glazing
Triple glazing is undoubtedly better than double glazing – but triple glazing costs more , and seems unnecessary for homeowners in United kingdom of great britain and northern ireland.
The best measurement to compare the two is their U-value, which puts a number on how practiced a window is at insulating your habitation. The score is measured by how many watts per square metre per Kelvin (W/m²g) are released from your habitation – the lower the number, the better your windows are.
Double glazing typically scores 1.1, while triple glazing gets an average of 0.vi. Triple glazing is therefore around twice every bit expert at keeping the heat in and the racket out.
These attributes have made triple glazing commonplace in colder countries like Kingdom of norway and Sweden – but of class, higher quality means paying a higher price. Afterward all: with great ability, comes bang-up financial cost.
Maybe this is why triple glazing hasn't taken off in the UK. In a 2022 study , 92% of window installers said triple glazing sales had made up less than 5% of their turnover over the by year. Considering the added price, triple glazing isn't a must-accept in the British climate. Nosotros're cold, only not that cold.
You should also bear in listen that triple glazing is not bad at keeping the oestrus in – and out. If you have s-facing windows, double glazing volition let much more precious warmth into your domicile.
Getting three panes of glass instead of two should mean spending around one-third more than you lot would for double glazing – merely many suppliers charge even more than. If you can get triple glazing for £960 or less, you've got a good deal, on average. Otherwise, it'll take fifty-fifty longer to recoup the difference through your energy bills than it would with double glazing.
| Category | Double glazing | Triple glazing |
| Thermal operation | ✔ | |
| Sound insulation | ✔ | |
| Dwelling security | ✔ | |
| Light penetration | ✔ | |
| Cost | ✔ |
How do I know if my double glazing needs replacing?
Everything falls apart somewhen. The universe tends towards atrophy, and and so do double-glazed windows. They should last around xx years – simply when it'southward time, information technology's time.
7 ways yous tin can tell your double glazing needs to exist replaced
- Water is leaking through the frame
- Condensation appears between the two panes
- The glass is cracked, chipped, or broken
- You can feel a draught coming in through the window
- Much more than noise from the outside world is getting in
- The frame is soft – this can point rot and/or h2o infiltration
- It'southward harder to open, shut, or lock – this makes your home more than vulnerable to burglars, and can exist a sign that your window is rotting, rusting, or wasn't installed properly in the first place
Is double glazing worth it?
Double glazing is admittedly worth the investment, every bit long as yous can afford it . Your wonderful new windows volition get out y'all with a habitation that feels warmer, quieter, and more than well-protected from burglars.
It fifty-fifty pays for itself in the long term, and can add every bit much every bit 10% to your abode's value.
You don't need to wait until your quondam windows lose their effectiveness completely, either. A huge variety of new designs are waiting for you lot correct at present, ready to improve your life.
And because we want you lot to make the correct choice for you lot, here are the key steps to ensure y'all spend the to the lowest degree money on the about high-quality product possible.
Based on a survey we conducted in May 2022 with 775 homeowners who had installed new double glazed windows in the by two years.
7 tips to help y'all get the best deal on double glazing
- Shop around and get multiple quotes
- If you become a company to measure out your windows and give you a quote at habitation, hear them out – merely don't sign a contract on the spot
- Hire a professional to install your new double-glazed windows
- Get a locally based company for the installation, as its workers won't have to spend equally much time travelling to and from the job, and therefore won't have to charge yous actress
- Check you don't live in a conservation area or listed building
- Determine alee of fourth dimension how much you and your loved ones desire to spend on the new windows
- Cheque the U-value of a window before buying it – information technology should ideally be around 0.6 or lower
Inexpensive double glazing vs quality
Getting a good deal is unremarkably one of the top priorities when it comes to buying double glazing. And with and then many double-glazing companies offering windows or doors at inexpensive rates, information technology can be tempting to go for the cheapest choice.
This, still, would be a mistake. A lot of the time, the less costly option volition only leave yous with inexpensive, inefficient double glazing. Your product will wear downwards apace over time, and go out you with a poorly insulated abode.
Secondary glazing
Secondary glazing can cost anywhere between 25% and fifty% less than double glazing.
Unlike double glazing, secondary glazing can also exist installed by the buyer , meaning y'all may be able to do it yourself – with more than a piddling help from the instructions and while using the right safety gear, naturally.
Secondary glazing is the procedure of adding another, thinner glazed pane of glass to the within of a single-glazed window.
In that location are two kinds of secondary glazing: i aimed at stopping draughts, and a more than expensive version which focuses on reducing the level of racket that comes from outside.
Secondary glazing is cheaper, and means y'all don't accept to supervene upon the entire window. This makes it perfect for renters – but it'south still less effective than double glazing .
Double glazing is mostly around twice as good as secondary glazing when information technology comes to keeping heat in and reducing condensation.
Reasons to get secondary glazing
If your home is a listed building, if y'all can't get planning permission to get double glazing for a dissimilar reason, or if you don't want to change the look of your beautiful window, secondary glazing may exist your best or merely pick.
You lot should likewise consider secondary glazing if you're on a budget, though double glazing will save you more in the long term.
If you're drastic to protect yourself from loud noises, in that location'southward skillful news for y'all: soundproof secondary glazing is better than double glazing in this department, as the panes are further apart.
FAQs
Who tin fit double glazing?
Information technology'south really possible to fit double glazing yourself – simply it's not recommended. Although you lot'll be able to save money on the installation, information technology could pb to inefficient windows, more expense in the long run, and possibly an injury.
What accreditations should I look for?
The following authorities play an of import role when it comes to ensuring high standards in the double glazing industry:
- Fenestration Cocky-Cess Scheme ( FENSA ): Members who are registered with FENSA are compliant with up to date thermal performance standards, which means that the double glazing they install meets the necessary energy-efficiency standards
- Double Glazing & Conservatory Ombudsman Scheme ( DGCOS ): Monitors UK double glazing installers to make sure they meet appropriate quality and service levels. This means that those using a DGCOS-registered company are able to do good from increased protection
- Certass : This government-backed agency operates on a non-for-profit basis, and aims to increase consumer confidence through the evaluation of registered contractors
- TrustMark : TrustMark endorses companies in a variety of trades and industries equally long equally they meet government approved guidelines and standards
How much can double glazing save you?
We've outlined how much money y'all could save each year if you install double glazing on an entirely single-glazed house:
Data from the UK Authorities website
What should your double glazing quote include?
Your double glazing quote should provide you with an estimated price of replacing your windows – tailored to your specific requirements.
Since in that location are so many varying factors affecting the price of windows, nosotros wouldn't recommend relying on only one quote. This volition give you a better idea of what a reasonable price actually looks similar.
Local vs national installers: who should you choose?
Local and national installers both have their pros and cons. On the 1 hand, local installers are probable to provide a cheaper deal, whereas national companies are more likely to exist trusted by users because they're more than well known. You tin larn more about local and national double glazing companies, which ane will be improve for you, and how we rate them by visiting our All-time Double Glazing page .
What type of double glazing do I need?
There are lots of unlike options when it comes to the type of double glazing you lot want for your home – nevertheless, the ane y'all become for volition depend entirely on your circumstances. Nosotros've listed a few of the master options below:
- Annealed or float glass – This is basic double glazing drinking glass. It's the cheapest option, quite strong, and difficult to break, specially when used in double glazed fittings
- Toughened or tempered glass – This is about 3 to four times tougher than float drinking glass. However, considering of its rubber features and specialised manufacturing process, it'due south one of the more expensive options
- Laminated glass – This acts every bit a layer of security for your double glazing. The PVB (polyvinyl butyal) laminate is very secure – if the glass e'er breaks, information technology remains stuck to the laminate
- Noise-reduction glass – This glass has acoustic inner layers of PVB, which blot audio and so that very piddling of it makes its style within. To make information technology fifty-fifty more effective, you can employ layers of unlike thickness
Summary
Double glazing costs a sizeable amount, but it can improve your life in a multifariousness of of import means.
If you're ready to buy a new window which will help you to banish the cold, repel external sounds, exile condensation, and keep burglars out, then double glazing is the one for you.
Fill in your details for free quotes and go moving towards your double-glazed future.
Source: https://www.theecoexperts.co.uk/windows/double-glazing-costs
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