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Premium Aluminium & uPVC Windows and Doors in London

Thinking about new windows for your home? You’ve come to the right place. At Colour Glaze, we've been helping London and South East homeowners for over 37 years, so we know a thing or two about what makes a great window.

We've seen it all—from changing styles to recessions—but one thing that’s never changed is our commitment to quality service. We’re a FENSA-accredited installer, and since 2002, we've believed in giving you a stress-free experience without any of those high-pressure sales tactics.

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A modern Reynaers aluminum casement window with a dark frame, showing a clear view of an outdoor landscape.

Why Choose Aluminium Casement Windows?

Aluminium windows are brilliant if you want to let in as much light as possible. They have those sought-after 'more glass, less frame' sightlines, which are far slimmer than bulkier options. They’ve been a favourite in commercial buildings for years and are now hugely popular in homes for a reason. Colour glaze work closely with some of the best aluminium windows suppliers in london 

Beyond the sleek look, they're incredibly strong and durable. They stand up to the British weather, and they’re naturally resistant to dirt and grime, meaning less work for you. Plus, they can be opened wider than other styles, giving you brilliant ventilation.

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A Colour for Every Style

Want to make a statement? Or prefer your windows to blend in? With aluminium, the choice is yours. The material takes a wide variety of coatings, giving you a huge colour palette to play with. White, Anthracite Grey (RAL 7016), and black (RAL 9005) are always popular, but we can get you any colour from the RAL chart.

You can also opt for a heritage woodgrain effect, giving you the classic look of timber with all the modern benefits of aluminium. Whatever you choose, the colour is guaranteed to last.

With aluminium, the choice is yours. You can pick from the full RAL colour chart or go with our most popular shades like White, Anthracite Grey, and Black.

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Stay Warm, Safe, and Secure

When it comes to performance, our windows are top-notch. Our aluminium casement windows have an A++ energy rating and feature weather-tight seals on all sides. We use cutting-edge thermal break technology to help you save on your energy bills and reduce your carbon footprint. They’re also Kitemarked to meet PAS24 security standards keeping your home safe and secure.

At Colour Glaze, we don’t just provide premium windows and doors—we offer a complete service from start to finish. Our manufacturing process ensures every product is crafted to the highest standards, while our supply & installation team makes sure your new windows and doors are fitted perfectly the first time. To give you long-lasting peace of mind, we also provide dedicated aftercare & maintenance services, keeping your home looking great and performing efficiently for years to come. Whatever your needs, our full range of services is designed to make upgrading your home simple, stress-free, and cost-effective.

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On top of that, they're built to keep your home safe. They’re Kitemarked for PAS24:2012 security, so you can rest easy knowing your home is protected. With our advanced double or triple glazing, your home will stay warm, cosy, and secure for years to come.

Ready to transform your home? Give us a call, and let’s talk about your project.

our aluminium windows for roofs come from doorwins with 25 years warranty. Colour Glaze works alonside some of the best aluminium windows and doors manufacturers in london as well as the most certified double glazing suppliers and most trusted doors and windows companies.

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Explore Premium Windows & Doors?

Aluminium windows offer slimmer frames, more natural light, and a sleek, modern look. They’re stronger, more durable, and resistant to dirt and weather, making them ideal for homes that want a contemporary aesthetic without sacrificing performance.

Yes! Aluminium windows come in a wide range of colours, from classic white and black to Anthracite Grey (RAL 7016). You can also choose a heritage woodgrain finish for a traditional look with modern benefits. All colours are long-lasting and weather-resistant.

Absolutely. Our aluminium casement windows have an A++ energy rating and feature thermal break technology, helping to keep your home warm while reducing your energy bills and carbon footprint. Double or triple glazing options further improve insulation.

Safety is a priority. Our windows are Kitemarked to PAS24:2012 security standards, ensuring they’re highly resistant to forced entry. Combined with strong frames and quality glazing, your home remains secure and protected.

We pride ourselves on a smooth, hassle-free experience. Installation times vary depending on your project, but our FENSA-accredited team will guide you every step of the way, without high-pressure sales tactics. Most homeowners find the process straightforward and efficient.

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