Aluminium Windows For The Home

Capital Windows have over 40 years experience manufacturing and installing an exceptional range of windows, doors and associated products. Whatever the project, we have the right approach and materials for the perfect finish.

Aluminium Windows For The Home

Capital Windows are amongst a unique category of window companies that can claim to be one of the longest established manufacturers of aluminium windows and doors in the UK. We have more than 35 years experience in the manufacture and supply of aluminium windows, doors and associated products.

Few companies are in our position of having serviced the trade sector and the home improvement market for this length of time and few window companies possess the knowledge and skills to design and manufacture bespoke aluminium windows.

An Exceptional Range Of Aluminium Windows From The Leading Brands

We know that every home, new extension or renovation project is different.  This is why we believe one product cannot meet the needs of every customer.  For this reason we manufacture and supply products from the leading and best known brand names in aluminium.

Sapa Crown Casement

A quality and established window system suitable for replacement or new build applications. Made by one of the longest established and experienced manufacturers and supplies of SAPA windows.

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AluK 58BW

A versatile suite of aluminium window sections offering excellent design, first class aesthetics and is one of the slimmest aluminium windows available.

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Evoke Flush

The aluminium system with the slimmest sightlines on the market. No need for onsite scaffolding, it’s quick to glaze and with the unique reverse butt joint option, eliminating the need for dummy sashes or adaptors.

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Widely respected as the market leading products available today, our range of aluminium systems is guaranteed to provide you with class leading windows and doors manufactured to exacting standards. Our latest generation aluminium windows feature the very best quality aluminium extrusions.

These feature a sophisticated thermal break, insulating the profile and making the window energy efficient.  It’s further enhanced with a sophisticated finishing process, manufactured and assembled by hand and featuring the latest in locking systems. At Capital Windows, we know our aluminium.

Why Choose Capital Windows For Aluminium Windows & Doors?

Industry Knowledge

We have the product, local area and industry knowledge to provide the latest in Aluminium home solutions.

Extensive Offering

Windows of all opening styles, bifolding doors, entrance doors and bespoke glazed products to special order.

Meeting Requirements

The right aluminium windows and doors to meet functionality required, performance and your budget.

Industry Leading

Our systems are industry leading in the UK and internationally including Reynaers.

Whatever your property or your particular project, let Capital Windows demonstrate why we are experts in aluminium. Do you want to replace windows in existing hardwood or steel subframes?

Are you looking to replace old metal windows with a modern alternative that will meet the slim lines and aesthetics of your original windows?  Or are you simply looking for a direct fix low maintenance and durable window? Whatever your requirements we can help.

High Specification Comes As Standard

Our double glazed sealed units benefit from the latest in “warm edge” technology coupled with argon gas filled units and incorporating high performance Low E glass. All our aluminium windows can be designed to achieve Window Energy Ratings of A, B or C to meet Current Building Regulations.

Glass can be further enhanced with a choice of Georgian, Astragal or leaded options depending upon your particular requirements. We believe no other company has the experience we have in the expert field of aluminium windows.  Contact us to find out more.

Aluminium Windows Are Beautiful

Aesthetically aluminium is superior benefitting from clean, slim sight lines and greater design freedom.  Aluminium enables you to have larger windows and doors than pvcu for example.

Aluminium windows are also available in a wide choice of styles and looks.  You can benefit from flat contemporary looking windows, traditional looking windows that are rounded or profiled in appearance or even a combination of the two.

Whatever your wishes in how you want your home to look, aluminium windows can complement it perfectly.

Aluminium Windows

Another huge benefit of aluminium windows is their inherent strength.  This means doors and windows in aluminium can be made much larger than their PVCu counterparts.  Therefore for contemporary extensions or simply where you require maximum glass area, these are ideal.

Aluminium Windows are of course the product of choice for contemporary homes and modern extensions.  They are a perfect complement to the hugely popular bifolding door as well.

Unlimited Colour Choice

Colour is one huge advantage of aluminium windows over other materials.  The sophisticated polyester powder coating process that comes as standard gives you great looking windows that are guaranteed to look good for many years to come.  With over 200 colours available you can tailor your windows to match the exterior or interior of the property.

You can even enjoy all the benefits of aluminium windows with an authentic wood appearance too. Not only that but dual colours are also a speciality of Capital Windows. If you have a tudor style or other property that originally can with different colour windows we can help.  We also offer metallic, textured, tactile and other finishes as well.

Aluminium Windows are Versatile & Flexible

Even if you have windows in wood or stone surrounds, aluminium windows provide real solutions.  Available in ultra slim or direct fix, they are perfect for the replacement of old metal windows in traditional properties, cottages, conservation areas and many more.


Strong & Secure

We know security is important to you and your family.  This is why all our products either meet or exceed the latest industry standards and testing.

This means there needs to be no compromise on having exactly the right product. And don’t forget that aluminium is by nature a much stronger material than even reinforced or multi chamber PVCu.

Aluminium windows today are also very thermally efficient and help reduce your heating bills.  Benefitting from the latest in thermal break technology and high insulation, they will keep heat in  and provide a much more comfortable home.

As long established and experienced aluminium window designers and manufacturers we know all too well that choosing the correct aluminium windows for you home is important to ensure they harmonise with your property, its style and location. We manufacture, fit and service Aluminium Windows and PVCu Windows.

Capital Windows offer a range of aluminium windows to match your precise requirements.  Our windows have innovation and ongoing development at their core resulting in what we believe to be exceptionally designed and manufactured products benefitting from high performance in state of the art aluminium.

A Diverse Range Of Class Leading Aluminium Windows For Any Type Of Home

No matter what type of property you own, we offer a range of Windows that will be designed and crafted to suit it. All our aluminium window suites come with a range of outer frame choices designed with your home in mind.  Our slimline range is perfect for homes having stone surrounds or hardwood subframes.

We also offer a range of windows designed for the replacement of old windows as well as windows for new extensions and new build home. Even if your home has older or other type of metal window we have a range of windows specially designed to offer all the aesthetics of your old metal windows with all the advantages of modern double glazing.

No matter what type of window you choose, we guarantee the very best in energy performance, high security, top quality powder coating finish, colour choice and exceptional weather performance.

Established in 1979, Capital Windows Ltd provide the biggest choice of home improvement products from the leading names and systems companies.