Why Choose Aluminium Windows?

Stylish Design

Improve the aesthetics of your home with our sleek and contemporary aluminium windows.

Energy Efficiency

Our A-rated aluminium windows offer excellent thermal insulation, reducing heating and cooling costs.

Enhanced Security

Feel safe and secure with our aluminium windows, which have passed the British security certification PAS 24.

Durable Construction

Built to withstand the elements, our aluminium windows offer long-lasting performance and require minimal maintenance.

Customisable Options

Choose from a range of colours, finishes, and opening styles, including inward or outward opening, side- or top-hung, andntilt-and-turn.

Environmentally Friendly

Our aluminium windows are fully recyclable, making them a sustainable choice for eco-conscious homeowners.

Slim aluminium white casement window

Premium Quality Aluminium Windows

At DNA Window Solutions, we provide a wide selection of aluminium windows from leading manufacturers, AluK and Cortizo. Our windows are built to the highest standards using premium materials and innovative technology. With a focus on quality and craftsmanship, we ensure that each window is tailored to your specific requirements.

With our aluminium windows, you can expect exceptional performance in terms of energy efficiency, security, and durability. The thermal break zone of our windows ensures excellent insulation, keeping your home comfortable all year round while reducing energy consumption. Additionally, our windows have undergone rigorous testing and have achieved the British security certification PAS 24, offering peace of mind in terms of protection against forced entry.

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Make Your Aluminium Windows Your Own

We understand that every home is unique, which is why we offer a range of customisation options. From different colours and finishes to various opening styles, you can create windows that perfectly complement your property's style and functionality.

Maintenance is made easy with our durable aluminium frames, which are built to withstand the harshest weather conditions. Our windows require minimal upkeep and will remain in top condition for years to come. Additionally, their fully recyclable nature makes them an environmentally friendly choice that aligns with sustainability goals.

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Brown flush casement timber effect window
Cross-section of an AluK C70S aluminium window, highlighting thermal break and double glazing for improved insulation.

Energy Efficiency & Thermal Performance

Our aluminium windows feature advanced thermal break technology to improve insulation and minimise heat loss. With U-values as low as 1.3 W/m²K (AluK C70S), they meet the highest energy efficiency standards, helping to lower energy bills and keep your home comfortable year-round. Whether you’re upgrading an older property or installing new windows, our energy-efficient aluminium designs are a smart investment.

Reduce Heat Loss with High-Performance Aluminium Windows

Acoustic Insulation

Our aluminium windows offer high-performance acoustic insulation, reducing noise from traffic, construction, and other disturbances. Cortizo’s COR 80 Industrial Passivhaus system achieves acoustic insulation up to 46 dB, making them ideal for homes in busy areas. Acoustic glazing options provide additional soundproofing.

Lower outside noise with soundproof glazing
Cross-section of a Cortizo COR 80 Industrial Passivhaus aluminium window with triple glazing and high thermal insulation.
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Design your windows and doors

Use our online window and door designer to create the perfect quote and get exactly what you want!

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Black sash casement window

Frequently Asked Questions

Explore our FAQs to find answers to additional questions you may have about our products or services. If you can't find the answer you're looking for, contact us and we'll get back to you as soon as we can.

Are aluminium windows suitable for all types of properties?

Our A-rated aluminium windows provide excellent thermal insulation, which reduces heat loss and minimises energy consumption.

Can I customise the colour of my aluminium windows?

Yes, we offer a wide range of colours and finishes to choose from, allowing you to achieve your desired look for your windows.

How long is the guarantee for your aluminium windows?

Our aluminium windows come with a 10-year guarantee, giving you peace of mind and assurance of their quality and durability.

Do you offer installation services for your aluminium windows?

Yes, we have a highly qualified and experienced team who will expertly install your new aluminium windows with precision and care.

Are aluminium windows suitable for all types of properties?

Yes, our bespoke aluminium windows are suitable for various property types, including residential homes, commercial buildings, and new construction projects.

What do our customers say?

Excellent service from start to finish

Excellent service from start to finish pricing excellent workmanship excellent and tidy nothing was too much trouble 100% satisfaction guaranteed well done DNA windows we will be back again soon

Carsten Stidson

Feb 2026

Quick and friendly service.

Quick and friendly service. DNA were the only company that could accommodate me in my search for a composite door. I have a very old cottage and I had approached other companies that were unable...
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Sarah Hillier

Feb 2026

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Great communication the whole way through the process.

Great communication the whole way through the process. Friendly workmen upon arrival and made no mess at all with our windows. Highly recommend and would look to use again in the future should we need...
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Lily Mackenzie

Feb 2026

Fantastic service from start to finish.

Fantastic service from start to finish. Initial quote was straight forward. Measure choose design and options, wait for quote to be sent. Order placed and install date confirmed. Mike and Sam turned up promptly. Very...
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Stuart Reacord

March 2026

Installation happened efficiently and cleanly.

Very happy to recommend DNA Window Solutions. Dan and Adam were always quick and helpful with communication despite us needing to change our specifications a few times. The windows were manufactured quickly and appear well...
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Fiona Rynn

March 2026

Dan and the team from DNA windows have been a pleasure to deal with

Dan and the team from DNA windows have been a pleasure to deal with from the moment we walked into the show room to completion of our project.The communication has always been prompt and clear.

wendy farren

March 2026

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