Black Aluminium Casement Window with Georgian Glazing Bars in a Chequerboard Design

Aluminium Windows

Aluminium windows combine strength and durability with streamlined, designer looks that add kerb appeal to any property. Far from being style over substance, our made-to-measure aluminium windows are energy efficient, with robust security features and a choice of over 200 RAL colours.

The structural strength of aluminium window frames means they can be slimmer, giving you more views to enjoy. They are low maintenance with great resistance to the elements, making them a sound long-term investment. We also offer Wooden and uPVC windows as part of our bespoke range.

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Aluminium Window Styles

Explore our full range of Aluminium windows, with designs to suit every property, from modern to period homes.

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Reasons to Choose Aluminium Windows

  1. More Glass, Less Frame

    Aluminium window frames are slimmer than uPVC and timber, allowing more natural light to enter your home. This creates a more sleek and contemporary look and maximises views of your garden. You can also complement the look of your home with custom colours including white aluminium windows for a classic look, or grey aluminium windows for a more contemporary feel.

  2. Thermal Efficiency

    Aluminium windows have a thermal break, improving heat gain and reducing heat loss. Treated glass, argon gas and insulated frames add to the thermal efficiency of the windows. This helps to keep your home at a comfortable temperature throughout the year, reducing the need for heating and so reducing your energy bills.

  3. Secure Locking

    Twin stainless steel bi-directional mushroom cams are standard on double-glazed aluminium windows, with pincer-like operation providing effective anti-jemmy resistance and high levels of home security. Internal beading prevents window glass from being removed by potential intruders, and the aluminium frames provide a strong structure that’s very difficult to damage.

  4. Strength and Durability

    Aluminium window frames have a high strength-to-weight ratio making them hard to dent and incredibly durable. Lasting 30 years or more, they don't degrade or discolour over time, maintaining their functionality and looks year after year. This makes them a great investment for the future of your home.

  5. Easy Maintenance

    Aluminium window frames need very little maintenance but benefit from regular cleaning. Overall, they need less maintenance than wooden frames, making aluminium window frames a cost-effective choice for your home in the long run.

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Black aluminium casement window and back door

Aluminium Window Colours

Our double glazed aluminium windows come in five classic colours as standard, or you can choose your own from over 200 RAL colour options. Here are some of the most popular options we offer.

  • Black aluminium casement window in kitchen open

    Black Aluminium Windows

    Our black aluminium windows look fantastic in almost any setting, particularly when set against white render or yellow brick. The stark jet black gives your windows a defined outline that makes them stand out and their inherent style and designer looks speak for themselves.

  • Whole house with white aluminium casement windows

    White Aluminium Windows

    White windows are a classic choice that work with almost any type of home. White aluminium windows are perfect for those that want to update their older windows but want to add a touch of elegance and style at the same time.

  • Anthracite grey Aluminium casement window

    Grey Aluminium Windows

    Our grey aluminium windows come in two shades; light grey and anthracite grey. Anthracite grey aluminium windows are the most popular because they fit with any home, but look particularly good against red brick. Make a statement and update your home with grey aluminium windows.

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    Brown Aluminium Windows

    Our brown aluminium windows have a subtle, sophisticated dark shade that suits any property. Strike a natural tone for a countryside house or create a soft contrast against light coloured cladding or render.

  • Sage green Aluminium set of three casement windows with back door

    Aluminium Window RAL Colours

    Create something special to suit your style with an emerald green, a soft pastel yellow or even a classic pillarbox red. With over 200 RAL colour options to choose from, you can give your home a completely new look.

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Compare Aluminium Windows Energy Ratings

Energy ratings provide information on how well a window will perform at retaining heat. For aluminium windows, this will usually be a U-value. The lower the U-value, the better a window is at minimising heat loss to the outside. Our aluminium casement windows have a U-value of 1.4W/m²K

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The BFRC are the most trusted window and door energy performance assessors in the UK.
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BFRC Rating
The BFRC are the most trusted window and door energy performance assessors in the UK.
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uPVC Casement
BFRC Rating
The BFRC are the most trusted window and door energy performance assessors in the UK.
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Wooden Casement

What are Aluminium Windows?

Aluminium windows are window frames made from strong metal alloy, highly resistant to weathering and corrosion. Their strength also means aluminium frames can hold more glass than other materials, which is why they can be made much slimmer.

  • Highly durable with long lifespan
  • Easy to maintain finishes
  • Huge range of customisations
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  • Anthracite grey Aluminium casement window
  • White aluminium bay windows with back door
  • Jet black aluminium casement window with Georgian insert bars
  • Whole house with white aluminium casement windows
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  • White Aluminium casement window with Georgian insert bars in kitcejn open position

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Guarantees

10-year Guarantee

A 10-year parts and labour guarantee is included in your Anglian double glazing price.

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Made in Britain

Our products are made from start to finish in a British factory by skilled craftspeople.

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Price Match

If you find cheaper like for like uPVC windows elsewhere, we'll match the price.

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What Should I Look for in Aluminium Windows?

The best aluminium window frames are double glazed with a thermal break to minimise heat loss to the outside. For the best heat retention and energy efficiency, look out for low U-Values.

Energy Efficiency

Aluminium windows should offer excellent energy efficiency, so look for low U-values and double glazing to ensure warmth retention. A well-designed aluminium window frame will feature a thermal break to minimise heat loss to the outside.

Security

Strong and secure, aluminium windows provide security against potential intruders. They resist blunt force as well as cutting, and don’t warp or twist under stress. You should look for security features like multipoint locking, key-locking handles and strong locking gear.

Guarantees

High-quality aluminium window frames should be backed up by robust guarantees, ensuring their longevity and performance.

Accreditations

Industry standards provide the reassurance that you’re buying the best quality products. Look for certificates from organisations such as British Standards, the British Fenestration Rating Council, and the BBA.

Design

Well-designed aluminium windows should look as good as they perform, with the option to customise with your choice of colour to match your home.

Aluminium Windows for Different Properties

Aluminium windows make a beautiful choice for any type of home, from modern to more traditional styles. With so many options for colours and a timeless, sleek look, these windows can be customised to suit any property.

Jet black aluminium casement window with Georgian insert bars

Aluminium Windows for Victorian Homes

Not an obvious choice, but aluminium casement windows can be a great option for a Victorian home. If you're not in a conservation area, aluminium windows can add understated elegance and style to your home. Choose almost any colour you want to set the tone for a whole home renovation.

Black aluminium casement window in kitchen open

Aluminium Windows for Modern Homes

Aluminium windows are the perfect match for modern homes, bringing the best in contemporary design and performance. Pair their slim frames and clean lines with classic black or anthracite grey for the ultimate modern look. Create a rear aspect glass wall or make your new Orangery truly shine.

White aluminium bay windows with back door

Aluminium Windows for Bay Windows

Add a new bay window or customise an existing one with aluminium casement windows. Pairing aluminium frames with bay windows brings even more light in and creates a really striking feature for your home. Choose from any colour to match your existing style or showcase a completely new look.

How to Maintain Aluminium Windows

Aluminium windows are straightforward to maintain. They’re naturally resistant to corrosion and the weather, and only need regular cleaning to keep them looking their best.

To clean your aluminium windows, you only need to use warm soapy water with a soft cloth or sponge. Just make sure you fully rinse and dry your window frames afterwards to prevent streaks or water spots.

It’s also worth giving the inside spaces of your window frames a clean occasionally, making sure they don’t get clogged with dust or dirt, so they keep working smoothly.

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Get Inspired and Learn More about New Aluminium Windows

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Do new Windows Add Value to your Home?

Learn how the ways new windows improve your home and add value to potential buyers.

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How Much Does Double Glazing Cost?

Find out more about how the cost of double glazing depends on your needs and requirements.

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Choosing the Right Window Material & Colour

Discover how your choice of material and colour can transform your home on the outside and the inside.

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Aluminium double glazed casement window finished in White with chrome handles and blind from Anglian Home Improvements

Made to Measure Windows

Find out about our bespoke approach, and why your windows are made to measure.

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Aluminium Windows FAQs

Your questions on aluminium windows, answered by us.

How much do aluminium windows cost?

The cost of aluminium windows can vary depending on several factors such as the size, style, quality, and complexity of your installation. This means the total cost of aluminium windows can range from a few hundred pounds to several thousand pounds, depending on the specifics of the project. As a general rule, you can expect to pay 20% more for aluminium windows when compared to uPVC plastic windows.

Are aluminium windows cheaper than uPVC?

Aluminium windows tend to be more expensive than uPVC windows. One reason for this is that aluminium is a more expensive material than uPVC. Aluminium is more difficult to manufacture, and it requires more energy and resources to produce. Additionally, aluminium windows may require extra materials such as thermal breaks to improve energy efficiency, which can add to the cost.

How long do aluminium windows last?

Aluminium windows are durable and long-lasting, with a typical lifespan of 20 to 30 years or more. They are naturally resistant to corrosion, rust, and other forms of damage. Additionally, they are lightweight and strong, providing excellent durability and stability. Proper maintenance can help extend the lifespan of aluminium windows, including regular cleaning and lubrication.

How do you clean aluminium window frames?

Cleaning aluminium frames is a simple and satisfying job. Remove any loose dirt using a soft-bristled brush or vacuum cleaner with a brush attachment. Fill a bucket with warm water and a mild detergent suitable for aluminium surfaces. Then use a non-abrasive sponge to wipe the dirt off the frames and wipe dry with an absorbent cloth.

How do you fit aluminium windows?

Fitting aluminium windows requires skill and expertise and should be carried out by a trained professional. It can be a complex process that requires specific skills and tools. It's recommended to hire a professional installer who has experience with aluminium windows to ensure that the installation is done correctly and safely. A professional installer can also provide advice on the best window design and security features for your needs, and help ensure that the windows are fitted to the highest standard.

Why do aluminium window frames not corrode?

Aluminium is a very durable and weather-resistant metal. Their atomic structure features a protective layer that prevents corrosion, as well as being resistant to UV radiation from the sun to prevent fading.

What’s the difference between aluminium and uPVC?

Aluminium and uPVC both offer excellent options for windows. Aluminium tends to be more durable than uPVC, as well as offering a more modern look, though aluminium is also more expensive. uPVC tends to be more energy efficient than aluminium, though with double glazing, both perform well. Both are also low-maintenance with options for custom colours.

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Our Accreditations and Licenses

  • British Board of Agrement accreditation for uPVC windows from Anglian Home Improvements
    The British Board of Agrement provides certification on the quality of our products.
  • BFRC logo
    The British Fenestration Ratings Council is the UK’s national system for rating energy efficient windows.
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  • BSEN12608 Windows and Doors accreditation
  • FENSA logo
    The Fenestration Self-Assessment Scheme ensures window installers comply with buildings regulations in England & Wales.
  • Glass and Glazing Federation logo
    Anglian is a leading member of the Glass and Glazing Federation (GGF).
  • Made in Britain logo
    Certifies products made from start to finish in a British factory by British craftspeople.
  • Recovinyl Plus logo
    PVC Industry initiative to improve manufacturing, minimise emissions and develop recycling practices
  • TrustMark is a government endorsed not-for-profit organisation that operates through more than 30 scheme operators.