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Last updated: 29 March 2021

Aluminium Windows: Modern and Stylish Frames For Double Glazing

Why Choose Aluminium Frames?

If you are looking for windows that are extremely functional, maintenance free, and ultra-modern in design, then aluminium windows are for you. Within the extensive range of double glazed window options, which includes uPVC windows as well as timber windows, aluminium frames stand out for their slim-line appearance and versatility in design, giving you exceptional home value.

However, not only are aluminium double glazed windows a stylish alternative among other window options, they are resourceful and affordable too. Their slim lines give your windows more glass and less frame, therefore enabling more light to enter your home. Additionally, the double glazed unit on your aluminium windows will give you the added benefits of energy efficiency and thermal insulation making them a valuable asset indeed.

If you're interested in aluminium windows, and you would like assistance and guidance regarding budgets and suppliers, GreenMatch will gladly help you find all the information. Our service is simple and without any obligations: just fill in the non-binding form at the top, and you will be contacted by up to four professional installers with their offers, saving you time.

Image of Aluminium Windows

If you wish to know some more about aluminium windows before asking for quotes, just keep on reading! On this page, GreenMatch provides comprehensive information on the benefits of aluminium windows, a comparison between aluminium and uPVC windows, their cost and everything you need to know before making a decision to purchase.

How Much Do Aluminium Windows Cost?

Due to the high material cost associated with manufacturing aluminium, aluminium window prices are more exorbitant than other types of double glazed windows. Yet, investing in aluminium windows is a sure way of refining the level of comfort by adding light and warmth to your home. Their popularity has, in recent years, increased much to technological advancement that has seen aluminium framed windows evolve into an attractive and modern product with premium value. In this line, powder coated aluminium windows are a favourite among UK homeowners. Furthermore, they are strong and durable with a longevity spanning decades.

The above factors give aluminium windows their premium value, and as such they come up as one of the most expensive types of double glazed windows. On average, you can expect to spend between £2,450 and £3,000 for four aluminium double glazing windows.The below table is an estimation of aluminium double glazed windows prices according to the number of aluminium windows required.

What Is the Price of Aluminium Windows?

Number of Windows Estimated Cost (£)
4 Windows from £2,450
9 Windows from £5,500
15 Windows from £9,350
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How are Aluminium Windows Beneficial to Your Home?

Windows are a lifetime investment, and therefore careful consideration should be placed on functionality, aesthetic appeal and strength of the type of windows you purchase. Not only should your choice of window frames match the design and decor of your home, but energy efficiency, strength, and lifespan should play a vital role in your decision-making process.

In this section, we will review the benefits of aluminium windows to your home by looking at their advantages and disadvantages.

Advantages of Aluminium Windows

Contemporary Aesthetic Value

Aluminium frames give off a very modern and elegant look which can be further accentuated through the variety of design options and selection of colours available. Aluminium makes for window frames that are light enough to be easily configured into different looks. They are considered a high-end product, especially within the commercial sector, however, aluminium frames are also getting increasingly popular in in the home improvement market.

Built to Last

Aluminium windows have a solid structure based on the strength of the aluminium frame material. The hardened surface protects it from getting eroded or dented. They have a long lifespan estimated at 40 years or more.

Highly Durable

Aluminium frames offer a favourable advantage in strength and durability. This is due to the fact that aluminium contains properties that make it resistant to corrosion. While aluminium window frames are light, they are strong enough to be kept from damaging or withering away during harsh environmental conditions.


Aluminium does not deform or decay thus requires little or no maintenance. Unlike wood, it does not need painting or sanding treatments, thus once installed it needs no further modifications. Its strong structure also gives it leeway to hold the entire structure of the frame without additional reinforcements.

Meets Energy Efficiency Standards

Due to its conductor properties, aluminium frames will cause a certain amount of heat to be lost during winter, however, it's double glazing component positively impact the overall efficiency of the window. Thus on average high-performance aluminium windows will meet and often surpass UK standards for energy efficiency.

Environmentally Friendly

Aluminium is a sustainable material majorly for its recycling ability. For example, it's estimated that only five percent of the initial energy that was used to create aluminium frames is used in during its recycling process. Moreover, it does not emit huge amounts of carbon dioxide during its production process adding to its environmentally friendly qualities.

Aluminium Frames Advantages

Disadvantages of Aluminium Windows

Lower Energy Performance

In terms of energy efficiency, aluminium windows perform at a lower rate compared to uPVC or timber windows. Whilst high-performance aluminium windows will meet standard energy efficiency standard, its conducting properties keep it from retaining heat in the winter months to the same effectiveness as its double glazing counterparts. To increase the energy efficiency of your aluminium windows, insert a thermal break between the panes and together with double glazing, your aluminium windows offer great thermal insulation.


In comparison to other window frames, aluminium windows prices are significantly higher. However, they are among the most expensive based on its superior premium value. However, since 2014 the cost of aluminium started to gradually drop, and demand rose. This led to cheaper production processes, making it more affordable for consumers.

Not Ideal for Older Properties

Due it its modern look, aluminium windows may not fit well with old properties or homes with an old look and feel. However, even classical looking homes can benefit from the slim-lines characteristic to aluminium frames particularly when you go for powder coated aluminium window. Thus enabling more light to come into the home, and equally creating an ambience of elegance and refinement to classically styled home.

Are Aluminium Windows Better Suited for You than uPVC?

There are key differences to consider between uPVC and aluminium windows when making your choice of double glazed windows between. These are related to cost, longevity, versatility, maintenance, energy efficiency and aesthetic value. Whilst both options have their pros and cons, the best-suited window choice for you will largely depend on your personal style, functionalities as well as your budget. The below table gives you a comparison between uPVC and aluminium windows.

Factors Aluminium Windows uPVC Windows Reasons
Longevity     Both uPVC and aluminium windows have a long life guarantee, yet uPVC frames are more likely be affected by weathering over a long period of time. Whilst the inherent properties in aluminium window frames will allow your windows to span decades.
Cost     Aluminium window prices are much higher than uPVC based on the fact that it costs much more to produce aluminium.
Versatility      Aluminium windows offer a wider variety of choice when it comes to colours and finishes, enabling you to customise your windows to match the rest of your home decor. 
Maintenance      Both windows require very little maintenance. However, due to the painting and coating of aluminium windows, they need a little more attention than uPVC window frames. 
Energy Efficiency     The insulation properties in uPVC windows are much higher than in aluminium windows, resulting also in higher energy efficiency.
Aesthetic Value     The slim line appearance of aluminium frames gives it exceptional aesthetic value, particularly for modern looking properties.

What Type of Design Works for Aluminium Windows?

Aluminium windows can be styled in a variety of options to match your taste and preferences. Its lightweight design allows for different decorative options. For example, powder coated aluminium windows, which are very popular for their elegant look and feel, can be finished in a wide range of colours to compliment any home decor.

Colours: the ability to play around with different colours is one of the greater advantages of aluminium windows. They are available in over 200 colours according to the Classic RAL System.

Finishes: aluminium windows allows for different types of finishing. Polyester powder coated aluminium windows are among the most refined, providing a beautiful and sophisticated finish.

Image of Aluminium Parts of a Window

Aluminium Windows in the UK

Aluminium window frames are widely known for their ultra modern look. Thus in the United Kingdom, they are best suited for contemporary looking homes that would be complemented by stylish window designs than old style cottage homes.

Aluminium windows have the ability to brighten your home all year round. As the UK trend moves towards creating a more spacious living environment with lots of light, aluminium frames are fast becoming the material of choice for home improvements.

In the UK commercial sector, aluminium windows are by far the most dominant due to their versatility in design. This allows the window frames to fit different corporate profiles. They can also easily replace windows that have unusual shapes and give more room for customisation.

For UK companies that want to create a stylish and lively feel to their work environment, aluminium windows will enhance the office attractiveness and compliment any architectural requirement. This would work best in urban areas such as London, where there developing high-rise residential buildings is increasingly popular.

Find Aluminium Double Glazed Window Suppliers in the UK

Although aluminium windows prices are high, companies will also be able to take advantage of energy savings which are not comparative to other high-end products. Double glazing companies will benefit from the fact that their aluminium window frames are a lasting investment that does not need periodical or annual budgeting for maintenance.

If you want to install aluminium windows in your home, but need more help with the installation and cost make sure to fill in our short 1-minute form at the top of this page. You can get up to 4 quotes from trusted suppliers for free and without any further obligations. 

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Nyeleti Sue-Angel Nkuna
Written by Nyeleti Sue-Angel Nkuna, Former Writer

As Partnerships Manager, Sue-Angel looks after GreenMatch’s extensive portfolio of partnering suppliers and installers that operate in the renewable energy market. Her daily responsibilities include the acquisition, on-boarding, and development of new and existing partnerships. However, her journey with GreenMatch started as an SEO Communications Assistant, where she produced content on environmental awareness and sustainability. Sue-Angel holds a BA Dramatic Arts Honours Degree and a Masters in Business Administration.