AtoZ Design and Glass CASEMENT ALUMINIUM window in LONDON

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CORTIZO CASEMENT ALUMINIUM WINDOWS

Casement TB

The thermally broken casement window system offers flexibility with both side-hung and top-hung outward openings. Designed with a 32 mm thermal break and achieving a Uw value from 1.0 W/m²K, it provides excellent energy efficiency. Certified with British security standard PAS 24, this window is an ideal solution for safety-conscious homeowners. With glazing options ranging from 23 to 44 mm and customisable finishes, it ensures both performance and aesthetics. Available in various finishes including dual colours, wood effect, and anti-bacterial powder coating.

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COR 80 INDUSTRIAL TB

The COR 80 Industrial TB window system by AtoZ Design and Glass is built to withstand the most demanding climatic conditions with an 80 mm frame depth and a 45 mm thermal break using tubular polyamide strips. It supports various inward and outward opening possibilities, including side hung and tilt & turn. With glazing capacities from 16 mm to 73 mm and maximum sash dimensions of 1,500 mm in width and 2,600 mm in height, this system offers both performance and design flexibility. The window is available in multiple finishes including RAL colours, wood effect, and anodised options.

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COR 3500 TB

The COR 3500 TB window system by AtoZ Design and Glass offers exceptional thermal and acoustic performance, with a 54 mm frame depth and a 24 mm thermal break. It supports a variety of opening types, including side-hung, tilt & turn, and parallel sliding, for both inward and outward opening. With glazing capacities up to 41 mm, this system can achieve a Uw value as low as 1.0 W/m²K and noise reduction up to 46 dB. Customisable with multiple finishes, including dual colour, wood effect, and anodised options.

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Black Cortizo Handle
Stylish Handle
Locking System

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Would you benefit from this?

Caring

Life is made to care of others and this will care for you. Therefore you will receive a honest information with corect and transparent answer. You being happy at the end of the project is more important to us.

Making sure

You will be visited by us 3 months after the installation by one of our professionals to check your door and make sure that you getting the best service and use of the product you have procured.

Making Work

Your final product is understood by us as being delivered and installed on time without creating extra stress just because a screw was on the floor. The team is dedicated to find solutions and make it work.

Steps

Measuring

The team will be able to come over for a measurement within 1 week from the date of the approval of the order.

Manufacturing

Production time 10 Weeks guarantee. Subject to sizes and complications.

Installation

A dedicated team to install immediately from the delivery on site of our products. Promise to find solutions regardless.

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Have questions about your next windows or doors project? Contact us for a free consultation!

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Find out more!

We offer a 10 year warranty for all products. Not only that, but we will also offer free advice on how to take care of your products after instalment.
We will also come by your project, 2 months after installation, to check that everything is working properly.
Absolutely. We will design your bespoke windows and doors. We will work closely with you, make sure that you are happy with the design, size, material, hardware and colours.
Then we will build your your products between 4-6 weeks and we will install it between 2-6 days, depending on the scale of your project.
Quite flexible! We have a flexible payment plan, we offer a free consultation, if needed, more free consultations.
We are completely transparent with the process of your project and our workflow.
Our aim is to help you get your project done in the best way possible.
We have a professional team, and we will all get involved, in order for that to happen.
We have high quality products and we work with esteem architects, interior designers and contractors from London, and we want to keep it that way.
And, if you are a homeowner, looking to work with us, not to worry, we got your back. We have helped plenty of homeowners!