Instant Prices for uPVC Windows Online

Get instant guide prices for a wide range of uPVC windows online with our window cost calculator.

If you want to know how much you could expect to pay for replacement windows, then Double Glazing On The Web can help. Our windows cost calculator will give you window prices calculated on the style, size and glazing of your choosing. This is a free, instant, and accurate way for you to get a competitive guide price that has been based on your exact specifications. Don’t worry, this is completely non-obligatory and you can do it all from the comfort of your own home.

We also have a wide network of trusted, recommended window companies within the UK. Create an online quote using our windows cost calculator and we can put you in touch with a local installer near you. All quotes are free with no obligation to buy. Our network of installers has been assessed and accredited to ensure you can enjoy the highest standards of professionalism, reliability, and respect for your home.

How Much Do uPVC Windows Cost?

We advise you compare different window costs in order to get the best deal for you. Double glazing costs can be elusive since there are so many factors that contribute to the overall cost. This is because there is a wide range of factors that are going to come into play when it comes to getting you to the final evaluation. This is going to include the size, style, shape, and colour of the window. So, keep all of this in mind when it comes to getting your uPVC windows cost: you don’t want to be stung by any unexpected costs!

Our windows cost calculator will give you a better insight into window prices.

uPVC Casement Window Prices (Fixed Window)

Casement Window Size Colour Guide Price
500mm x 500mm White £150 – £175
500mm x 500mm Wood Grain £175 – £200
1000mm x 500mm White £175 – £200
1000mm x 500mm Wood Grain £200 – £250
1000mm x 1000mm White £200 – £250
1000mm x 1000mm Wood Grain £225 – £275
1200mm x 1200mm White £225 – £275
1200mm x 1200mm Wood Grain £250 – £300

uPVC Casement Window Prices (1 Opener)

Casement Window Size Colour Guide Price
500mm x 500mm White £250 – £300
500mm x 500mm Wood Grain £300 – £350
1000mm x 500mm White £275 – £325
1000mm x 500mm Wood Grain £325 – £375
1000mm x 1000mm White £300 – £350
1000mm x 1000mm Wood Grain £350 – £400
1200mm x 1200mm White £350 – £400
1200mm x 1200mm Wood Grain £400 – £450

Are uPVC Windows Double Glazed?

Double glazed windows are uPVC frames that are fitted with two panes of glass. There is usually a space of 12mm to 16mm between these two panes. The gap is held in place with a space bar with either normal air or argon gas. The glass airtight, sealed and fitted into the uPVC frame. Double glazed uPVC windows are available in a wide range of specifications, which means that you’ll be able to find one that is going to suit your home and your tastes.

The two panes of glass and air gap between helps to enhance insulation, preventing heat transfer. This is important when it comes to preventing draughts and water ingress, keeping those cold winds at bay during the winter months. Investing in uPVC windows is something that you’re going to want to do when it comes to making your home a more comfortable place to be across the course of the year. They are sure to be a worthwhile investment for your property.

Why Replace Your Windows?

There are many reasons why you might decide to replace your windows. For many homeowners, it’s about eliminating draughts or cold spots they have experienced within their property. For others, it’s about improving home security and improving kerb appeal. As uPVC windows are so versatile when it comes to their installation, they can be tailored to suit a wide range of property styles and personal tastes. With this in mind, you won’t have to worry about missing out!

Whatever the reasons behind replacing your windows, uPVC double glazing is sure to add value. Update your existing single glazed or old double glazed windows and you will immediately notice the difference. You can also opt for triple glazed uPVC windows that will help you achieve an even higher standard of thermal efficiency and security. Speak to your installer of choice to see what they can offer you regarding this.

A warmer home, with smaller energy bills and a lower carbon footprint. You will benefit from better acoustic properties too, with less noise from outside intruding on your peaceful days at home. This means that bringing modern uPVC windows to your home is going to help your property to become a more comfortable place to be across the course of the year. Even during adverse weather, uPVC windows will keep you nice and cosy.


upvc windows online


Which uPVC Window Style?

If you are looking to transform your home with new uPVC windows then you will be amazed by the options out there. With this in mind, you’ll be able to bring uPVC windows to your home no matter what the style of your property is. This means that it won’t matter if your home is modern, traditional, period, heritage, or new build, your installer of choice will be on hand to offer you a standard of window that is going to perfectly compliment what you’re after.

From sliding sash windows to flush casement and tilt and turn designs, there is a wide range of products designed for modern living. Creating the perfect look for your home is easy, with a wide choice of stylish colours and finishes. Whether you’re looking for something traditional to blend in or you’re looking for something with a modern flair (or anything in between), let your installer of choice know and they’ll be able to offer you an option that is going to suit what you need!


upvc windows online


Which uPVC Window?

It goes without saying that the type of windows you choose will affect the aesthetics of your property. A window replacement can either increase or decrease your property’s value so choose your options wisely. Take your time to browse the wide range of uPVC windows available to make sure you end up with something that is going to bring you lasting value long after it has been installed by one of our network professionals.

How energy efficient are your current windows? Replacing old windows with thermally efficient windows will ensure your home is kept warm and comfortable. It’s all about choosing energy efficient windows with a high Window Energy Rating. This is because many modern uPVC windows combine a thermally broken profile with high-performance weather seals to ensure you don’t have to worry about heat loss compromising the comfort of your property.

Investing in thermally efficient uPVC windows could also see you saving money on your heating costs too! This is because the warmth will stay in your property for a longer period of time, which means that you could find yourself relying less frequently on your central heating to keep you comfortable during those cold winter months. In turn, this paves the way for a potentially lower heating bill! Also, the reduction of your energy costs could also see you reduce your carbon footprint too.

You will also want to look for uPVC windows that are PAS24 tested for high security. The windows of your home are also entry points. You will want to make sure that they are as secure as possible. Your installer will be able to provide you with the best possible options for your home. Fortunately, many modern uPVC windows are manufactured using premium grade materials and are fitted with high-security locking systems to ensure they hold steadfast against modern burglary techniques.

Enjoy a traditional home? There has been great progress in uPVC window technology when it comes to mimicking the appearance of timber. You can now benefit from authentic looking windows but without the hassle of upkeep. With uPVC windows, you won’t have to worry about any rotting, warping, cracking, or discolouring ruining the look or feel of your window. This also means that you’ll be able to enjoy an exceptional degree of quality without any of the headaches!


energy efficient windows


Maintain Appearances with Beautiful uPVC Sash Windows

There are many different uPVC window styles available for homes. Our windows cost calculator allows you to browse uPVC windows online and get instant quotes for preferred styles. This includes everything from the more classic casement window design through to something a bit more complex like a bi-fold window style.

Like the look of uPVC sash windows? Select your uPVC windows online and calculate costs for different sash window designs. Our online uPVC windows cost calculator enables you to see your ideal uPVC window come to life all from the comfort of your own home. With this in mind, you won’t have to worry about investing in anything that isn’t going to bring the best for your home.

Do I need Planning Permission for uPVC Windows?

Planning permission isn’t usually required for replacement windows but there can be exceptions. If you happen to live in a listed property, then your home may not be covered by Permitted Development Rights.

It’s always best to check with your local council or the Government’s Planning Portal before you go ahead with any project. Building performance standard. These measures include fire, safety and emergency exits.

At Double Glazing On The Web, we will only ever put you in touch with accredited companies so you can expect the very best in product performance. With this in mind, you can rest assured that you’ll be able to enjoy the highest standards of quality and product, making your new uPVC windows the ideal new addition to your home that is going to continue to make it a warmer and safer place to be long after the installation.

Helpful Links

Building Control

Planning & Building Applications

Energy Saving Trust

Building Control: Security in Dwellings

Frequently Asked Double Glazing Questions

Frequently Asked Double Glazing Questions

What is Double Glazing?

Double glazing is where windows have two layers of glass with air tight gap between them to reduce loss of heat as well as provide effective noise insulation.

What Happens if I Have a Problem with my Windows or Doors?

All of the double glazing installers in our network offer product guarantees. Provided you are still covered by your manufacturer's guarantee, all you need to do is contact the installer in question and they will either repair or replace your windows and doors.

How Much Do Windows Cost?

Window prices will depend on your specifications such as size, style, glass type and security locks. At Double Glazing on The Web you can get an instant window cost online using our online quoting engine. Simply choose your window style and enter your window measurements to receive a unique window price.

Do UPVC Windows Discolour?

Your UPVC window will never rot, rust, peel or flake due to its long lasting material. An occasional wipe clean is all that is required.

Do UPVC Windows Look Cheap?

UPVC windows do not look cheap. They can be designed to offer slim sightlines and come in a wide variety of colours and finishes, not just the standard white. Authentic woodgrain finishes are available to achieve more of classic look.

What Does UPVC Stand For?

UPVC is an abbreviation for unplasticised polyvinyl chloride which is used in window frames.

Do UPVC Windows Need Trickle Vents?

Trickle vents are not a requirement, however they do offer additional ventilation without the need for opening your windows so can be a valued add on.

What Colour Options are Available?

There is a wide range of colour options available including both standard and bespoke colours and finishes. Aluminium windows and doors even come available in a RAL colour chart which gives you an infinite choice.

How Long Will It Take To Install My Casement Window?

Because every job is different, it is best your talk to your double glazing installer who will be able to give you an exact timescale.

How Can I Get Casement Window Prices?

You can get instant casement window prices by using our free online quoting engine or you can contact us on: 0800 015 5679 to speak to one of our advisors.

Are There Other UPVC Casement Window Styles?

Other UPVC casement window styles include the French casement window which is a more traditional take on the standard casement style.

Will I Have A Choice of Casement Window Locks?

A high security lock will be fitted as standard with your new casement window but your double glazing installer will also offer a choice of security upgrades.

What Are Flush Casement Windows?

Flush casement windows are where the unit sits flush to the frame, creating a super sleek look.

Are There Different UPVC Casement Window Sizes?

UPVC casement windows come in a wide range of sizes to suit your property. You can specify your casement window size in our window cost calculator to get a unique window price!

Can I Choose My Casement Window Handles?

Your double glazing installer will offer you a choice casement window handles and casement window hardware options so you can achieve the perfect look.

What is a Casement Window?

A casement window is attached to its frame by one or more hinges. A casement window is hinged at the side allowing them to open extremely wide. These windows can double up as emergency exits and are perfect for hard to reach places within the home, with many home owners installing these windows behind their kitchen sinks.

Where Can I Get A Tilt and Turn Windows Price?

You can get a tilt and turn windows price using our window cost calculator which will give you a free and unique quote within a matter of minutes.

How Does The Tilt and Turn Window Mechanism Work?

The tilt and turn window can be ‘tilted’ inwards due to its unique turning action which allows the window to be easily accessed from both inside and out. All it takes is a swift turn of the handle.

How Much Do French casement windows cost?

The cost of French casement windows will vary depending on installer but you can get an average casement windows cost using our free online quoting engine

How do UPVC Sash Windows Work?

UPVC vertical sliding sash windows are built to either slide vertically downwards or upwards. This opening function makes the UPVC sash window much easier to use compared to traditional wooden windows where the only choice is double hung and single hand.

Are UPVC Sash Windows Easy To Use?

UPVC sash windows are very easy to use. Their spiral balance mechanism allows for smooth operation so you can open and close your windows with ease. UPVC sash windows are also incredibly low maintenance and require very little cleaning.

Why Should I Choose a UPVC Sash Window?

UPVC sash windows are incredibly attractive and make a stunning addition to any property and are relatively low maintenance thank to their UPVC design. You can enjoy a traditional aesthetic for many years to come thanks to their long standing properties.

Replacement Sash Windows In A Conservation Area

If your home is a listed property or within a conservation area then you will need to seek planning permission.

How Much Do Double Glazed Sash Windows Cost?

UPVC sash window prices will vary according to glazing style, your choice of locks and even your chosen colours and finishes. You can get an average sash windows cost using our window cost calculator.

How much is double glazing per window?

Double glazing prices per window can vary from around £150 to £600 depending on the specification. The window style, type of glass, frame colour and handles are all contributing factors. To find out the true double glazing price per window it is a good idea to get a number of quotes to compare.

What is the average cost to double glaze a house?

The average cost to double glaze a house will depend on the size of your house and the number of windows. To double glaze a flat or apartment it will probably cost around £2,000. The average cost to double glaze a house is usually between £4,500 to £7,500. If you collect a number of double glazing quotes you will be able to compare companies and prices.

Is double glazing expensive?

Double glazing can be an affordable addition for many homeowners. The price you pay can depend on the quality of the windows and the energy ratings. Other factors are the style of the windows, the colour of the frames and the type of glass. Why not get an online double glazing quote to get an idea of the price.

How much does it cost to install a window?

The prices given in our pricing tables, our online quotes and our costing calculators reflect the price of the window itself as well as the cost of installation. For example, a 500mm x 500mm casement window will cost between £150 and £175 including the cost of installation.

How much does it cost to double glaze a 3 bed house?

On average a double glazed window will cost between £350 and £400, with a uPVC door typically costing £600. This means that double glazing a 3 bedroom semi can cost between £3500 and £5000.

Bay or Bow Window?

Simply put, it really depends! Bay windows offer often much welcome and useful extra storage space to the frontage of homes. On the other hand, bow windows provide a curved shape alternative in terms of look compared to bay windows. They are both beautiful options and can add much character and charm to the right property.

Can Bay Windows Look Modern?

Bay windows can easily be either modern or traditional depending on the combination of glass and / or coloured uPVC profiles now available. Subsequently, its easy for these windows to seamlessly blend in with contemporary or old properties.

How Does Double Glazing Work?

Heat loss is greatly reduced using double glazing. Double glazing features two panes of glass with a layer of trapped air or gas in-between. Air is a poor conductor of heat so much less heat is lost through the window itself.

Condensation on Double Glazed Windows

When moisture in the air suddenly cools and condenses on a cold window, you get condensation. Well insulated (Low E) double glazing will help prevent condensation from forming on the interior of your window. Replacement glass units or replacement double glazed windows are recommended for windows with condensation.

What Are Double Glazed Windows?

Double glazed windows feature two panes of glass for better heat insulation and noise reduction. Window frames come in a variety of materials such as UPVC, wood and aluminium. Double glazed windows also come in a choice of styles to suit your home, you can choose from a wide range of window designs which include the casement window, tilt and turn window, sash window, sash horn window and bay window.

Are Double Glazed Windows Soundproof?

Double glazed windows are built to provide improved sound insulation. Double glazed windows are recommended for homes situated on busy roads or built up areas where external noise can be a problem.

Are Double Glazed Windows Good For The Environment?

Once of the best ways of making your home more energy efficient is insulation. Double glazed windows act as another layer of insulation, helping to prevent the loss of valuable heat.

If I Use Double Glazing on the Web Who Will Fit My Double Glazing?

Double Glazing on the Web have a fully accredited network of local installers. Once you have created your free online quote we will put you in touch with up to three reputable local suppliers. Each of these suppliers will offer you a free no obligation quote and who you choose is completely up to you.

What Makes Flush Sash Windows Different?

Flush sash casement windows are specifically designed to imitate the appearance of traditional wooden timber windows by appearing to have the same sashes that finish 'flush' with the outside face of the window.

Is triple glazing better than double glazing?

In most instances double glazing will be an adequate upgrade to single glazed windows. Double glazing offers energy efficiency, noise reduction and security. If you live near a busy road or under a flight path you may want to consider triple glazing for the extra noise reduction that it can offer.

Is double glazing easy to break?

Double glazing is a strong option for windows compared to single glazing. The frames are durable and there are high security locking options. As double glazing is made from glass it is possible to break however you will have to exert quite a bit of force to do this. This is practically impossible to do without making a noise.

What Does Double Glazing Do?

Double glazing makes your house more energy efficient, keeping heating in and keeping the cold out during winter months. During summer months, it helps keep the hot air out, keeping your house cooler. It also works to insulate sounds from busy areas and roads, leaving your house more peaceful and quieter.

Does Double Glazing Block Sound?

Double Glazing not only provides heat insulation but it also provides sound insulation too. Double glazing is perfect for houses in busy areas and streets.

How Do I Know If My Double Glazing Needs Repaired?

There are four tell-tale signs that your double glazed windows need repair or replaced: There are chips and cracks in the panes of glass; there is condensation (misted windows) between the two panes of glass; the window allows cold air through; water begins to seep through the frame. If your double glazing does any of these things, you may need to get your double glazing repaired or replaced.

How Long Does It Take To Install uPVC Windows?

On installation day, a uPVC window will take anywhere from 3 hours to a full day depending on the shape, size and style of the window. When you place your order, it will take anywhere between 4-6 weeks to build and manufacture the parts for your bespoke window.

Is uPVC Flammable?

No, uPVC isn’t flammable and is actually a fire retardant.

Can My Windows Be Installed In Cold And Rainy Weather?

Yes, windows can be installed in any weather, however, it is important to remember the safety of the installers who come to put in your window and that the rain could damage things your property due to the fact there will be a hole in the wall for quite some time during installation.

What Can Cause Double Glazing To Crack?

Double glazing can crack for what appears to be no particular reason at all. A sealed window unit faces constant pressure either side of the glass, however, most of the time double glazing is strong enough to deal with this. Winter can be one of the worst time for cracked glass as the difference of temperature on either side of the glass stressing it to the point it can crack.

Should I Double Glaze My Windows?

Double glazing works to make your house more energy efficient saving you money on your heating bills. Double glazing also provides sound insulation which is perfect if your house is situated near busy roads and noisy areas. Double glazed windows are also tougher and harder to break than single glazing windows making your house more safe and secure.

How Long Does It Take To Install A Window?

From the moment you purchase your window it will take anywhere between 4-6 weeks to build and manufacture your window for you. The actual installation itself could take anywhere between 3 hours to a full day.

How Do I Know If My Double Glazing Needs Replaced?

Double glazing will need replaced after a while due to the nature of the design – the gas that separates the two window panes slowly leaks out over time meaning the energy efficiency of your window is compromised. If your double glazing allows cold spots; water to seep through the frame; has cracks or chips in the window or has a build-up of condensation between the two panes of glass (misted windows), you should probably look into getting your double glazing replaced or repaired.

How Long Does It Take To Install A New uPVC Window?

Once you place your order for a new window, it takes 4-6 weeks to build and manufacture the product. On the day of installation it could take anywhere from 3 hours to a whole day, depending on size, shape and style of window.

How Long Does Double Glazing Last?

It is important to note that the argon gas that separates the panes of gas, giving double glazing its energy efficiency will eventually leak out overtime. Double glazing has an average life span of about 20 years, however, this can vary depending on materials used and the installation.

Is Double Glazing Worth It?

Double glazing helps make your home more energy efficient as it prevents the loss of heat. During the summer, it helps to keep the heat out of your home. It provides your home with sound insulation which is perfect for houses that are in busy areas and streets. Double glazing also makes your home safer and more secure.

Is Double Glazing Easy to Break?

No, double glazing is not easy to break which means your home will be more secure. When attempting to smash double glazing often what happens is that the first pane of glass and the second will remain intact. This is due to the argon gas working as a shock absorber. This will mean the smash is very loud but unsuccessful on the first attempt.

Why Is uPVC Used For Window Frames?

UPVC is used for window frames because it strong, durable, energy efficient and long lasting.

Should I replace my old sash windows?

Sash windows are a key feature for many traditional period buildings. Sash windows were traditionally built using timber, which is fairly high maintenance and has a tendency toward rotting and warping. Over time, these windows can become draughty and insecure. uPVC sash windows are a great way to experience the benefits of modern double glazing, without sacrificing the aesthetic of your home. uPVC sash windows will not rot or warp and require little maintenance. They are also thermally efficient, which means that your home will not require as much heating.

How much does sash window restoration cost?

The cost of sash window restoration will depend on the survey result. Standard draught proofed sash windows (without sill replacement) usually starts at about £500 per window. The time taken will also depend on the survey result.

Can I install double glazing into my original sash windows?

This will depend upon what type of window you have. Replacing existing moving sashes with new, double glazed replicas might to be possible.

How much does it cost to replace a sash window?

The cost of replacing a sash window will depend on many factors including: style, size, material and glazing. A wooden sash window will cost significantly more than a uPVC sash window. A wooden sash window can cost up to £1000. Wooden windows are more expensive to manufacture so expect to pay that bit more. uPVC sash windows can be designed to mimic wood and are much cheaper in price. The starting price for a standard uPVC sash window is on average £525.

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