Double Glazed Windows Cost Calculator

Our online double glazed windows cost calculator allows you to get instant prices for windows, doors, conservatories and more.

Simple to use, our double glazed windows cost calculator will give you personalised double glazing prices within minutes.

Browse through a wide range of styles and compare costs – you can create as many quotes as you like!

Double Glazing Cost UK

We have a wide network of double glazing companies across the UK. If you are looking for a free, no obligation quotation then we can put you in touch with local and recommended double glazing installers in your area.

We recommend that you take more than one quote from a company in order to best compare prices. Each company will offer you their very best deal so who you choose is completely up to you.

You are in control of the whole quoting process.

double glazed windows

We recommend that you take more than one quote from a company in order to best compare prices. Each company will off you their very best deal so who you choose, is completely up to you.

You are in control of the whole quoting process.

Free Window Quote

Choosing a Double Glazing Company

When it comes to choosing a double glazing, it is important to choose one that is not only local but also one that has quality products, services and great reviews.

Choose a double glazing installer that can show previous work they have done so you can a make a better informed decision.

It’s also important that the company you choose be professional and knowledgeable in all areas of double glazing installation.

double glazed window cost

Buying double glazing is a big investment and one you want to get right. Having an expert on hand to help and guide you through the process will be invaluable.

How Much Does Double Glazing Cost?

You won’t be surprised to learn that the more windows you install, the more the replacement window cost will be. Bigger house, bigger price.

Terrace houses for example can have anything from 5-13 windows and semi-detached homes 10-20. Costs will inevitably vary home to home.

The size of window will also influence overall cost.

The cost of double glazing all depends on the style, size and number of windows you have specified.

Double Glazed Window Cost

After looking at how many windows you need replacing and how big they are going to be, you will then need to decide on the style and design.

double glazed windows

Double glazed windows come in a range of styles and glazing choices, as well as energy ratings. Each of these will affect how much your new windows are likely to cost. For example glazing choices can include:

  • Plain Glass
  • Leaded Glass
  • Energy Saving Glass
  • Obscure Glass
  • Fire Safety Glass
  • Decorative Glass

You will also have to think about how many openers you may want and what type of security locks will be best for your home.

Double Glazed 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

French Casement Window Prices

Casement Window Size Colour Guide Price
500mm x 500mm White £450 – £500
500mm x 500mm Wood Grain £575 – £625
1000mm x 500mm White £475 – £525
1000mm x 500mm Wood Grain £600 – £650
1000mm x 1000mm White £500 – £550
1000mm x 1000mm Wood Grain £625 – £675
1200mm x 1200mm White £525 – £575
1200mm x 1200mm Wood Grain £675 – £725

Bay Window Prices (3 Section)

Casement Window Size Colour Guide Price
2400 x 1200 White £1050 – £1150
2400 x 1200 Wood Grain £1150 – £1250
2400 x 1500 White £1125 – £1225
2400 x 1500 Wood Grain £1250 – £1350
3000 x 1200 White £1150 – £1250
3000 x 1200 Wood Grain £1275 – £1375
3000 x 1500 White £1250 – £1350
3000 x 1500 Wood Grain £1375 – £1475

Bay Window Prices (4 Section)

Casement Window Size Colour Guide Price
3000 x 1200 White £1400 – £1500
3000 x 1200 Wood Grain £1525 – £1625
3000 x 1500 White £1500 – £1600
3000 x 1500 Wood Grain £1650 – £1750
3600 x 1200 White £1500 – £1600
3600 x 1200
Wood Grain £1650 – £1750
3600 x 1500 White £1600 – £1700
3600 x 1500 Wood Grain £1750 – £1900

Bay Window Prices (5 Section)

Casement Window Size Colour Guide Price
3600 x 1200 White £1850 – £2000
3600 x 1200 Wood Grain £1900 – £2050
3600 x 1500 White £1950 – £2100
3600 x 1500 Wood Grain £2050 – £2200
4000 x 1200 White £1900 – £2050
4000 x 1200 Wood Grain £2000 – £2150
4000 x 1500 White £2050 – £2200
4000 x 1500 Wood Grain £2150 – £2300

Bay Window Cost Calculator

Our double glazed windows cost calculator also allows you to calculate the cost of bay windows.

Bay windows are made up of 3 casement windows so when using our cost calculator, simply create a quote for 3 casement windows.

This will give you an idea on how much your bay window is likely to cost. All our guide prices include the cost of installation, helping you to make an informed decision about your potential new glazing.

Tilt &Turn Window Size Colour Guide Price
800 x 800 White £400 – £450
800 x 800 Wood Grain £525 – £575
1000 x 800 White £450 – £500
1000 x 800 Wood Grain £550 – £600
1000 x 1000 White £475 – £525
1000 x 1000 Wood Grain £575 – £625
1200 x 1200 White £500 – £550
1200 x 1200 Wood Grain £625 – £675
Casement Window Size Colour Guide Price
500mm x 500mm White £525 – £600
500mm x 500mm Wood Grain £625 – £700
1000mm x 500mm White £600 – £700
1000mm x 500mm Wood Grain £700 – £800
1000mm x 1000mm White £625 – £725
1000mm x 1000mm Wood Grain £725 – £825
1200mm x 1200mm White £725 – £825
1200mm x 1200mm Wood Grain £850 – £950

Window Installation Cost

Purchasing your window units and installing them are two different things and two different expenses.

When you purchase double glazed windows from a window company, you are often paying for both the product and the labour.

Our double glazed windows cost calculator provides you with a guide price that includes installation for your windows.

double glazed window cost

Supply Only Window Prices

You don’t have to purchase windows and installation. If you are looking to keep costs low then you can purchase supply only windows.

This can be particularly cost effective if you already happen to know of a builder or supplier who can install the windows for you.

Why Should You Double Glaze Your Home?

Double glazing has become one of the most important considerations when it comes to purchasing a home.

double glazed windows

Buyers want to be able to see themselves living in a house. They can’t do this if your home is cold, draughty and outdated with single glazing.

Many see double glazing as a necessity today and you will be at a disadvantage if your home has single glazing.

Great looking, energy efficient windows will certainly make the right first impression, making it much more desirable.

Replacement Windows

New double glazing will bring many benefits to your home and if you’re upgrading from single glazing then these will be even more noticeable.

double glazed windows

With energy efficient double glazing installed, an average-sized home can save over £100 a year on energy bills.

Boosting your home’s energy efficiency will give you a major advantage. It will help keep you warmer, help lower heating bills and reduce your impact on the environment.

According to the Energy Saving Trust, investing in A+ rated windows can help a semi-detached home save between £75-£80 a year.

Have a detached home? Then it could be as high as £110.

Double the glazing, double the benefits.

Which Double Glazed Window?

It’s important to note that the double glazing in you install now, is likely to impact how desirable your property will be in the future.

Therefore, it is best to choose replacement windows that complement your property’s aesthetics as well as enhancing its energy efficiency and security.

Therefore it is important to consider the thermal performance, style and material of a window. You might also think about the positioning of your windows, considering your room layouts.

double glazed windows

A contemporary, single-storey house can be improved by vertical windows but in comparison, an old cottage would look odd with large glazed openings.

If you are renovating a cottage, or looking at maintaining your existing period property, choosing an appropriate window style and material is a must.

double glazed window cost calculator

Many window companies can replicate older window styles these days however, if your home is a listed building, you might be restricted when it comes to glazing and window design.

If you have a more contemporary style home, the bigger and cleaner the window style should be. Aluminium windows for example, are perfect for minimalist style homes.

double glazed window cost

Popular Window Styles

A popular window style, pen-out casements are available in a wide range of styles with large casement windows usually the most affordable.

Side Hung – This is the most recognisable casement window style. Hinged at the side, it allows for easy opening.

Top Light – This is where a fixed pane is divided from a narrow glazed top-hinged casement.

Sliding Folding – In this style, the sash is hinged so that it folds. This style of window (also known as a bi-folding window) opens right back to inches of opening.

Top Hung/ Awning –  This casement window style is hinged at the top. An ideal window for wetter climates, it blocks out the rain.

Bottom Hung – This casement window is hinged at the bottom and is most commonly used in basements.

Centre Hinge / Pivot – This casement window is hinged in the centre, allowing for a wider opening.

This modern tilt and turn window style looks best on modern properties. These windows open inwards and provide a ‘tilt’ option for enhanced ventilation and security.

If you are renovating or replicating a Victorian or Georgian home then sash windows are essential.

Renovating old homes with original features often requires a window specialist – especially if the building is listed or within a conservation area.

When it comes to sash window replacement, you will want to choose an options that not only maintains the traditional aesthetics of the original but one that also offers increased energy efficiency too.

Frequently Asked Double Glazing Questions

Frequently Asked Double Glazing Questions

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 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 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.

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.

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.

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.

Instant Window Prices