AtoZ Design and Glass HIDDEN Sash ALUMINIUM window in LONDON

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CORTIZO HIDDEN SASH ALUMINIUM WINDOWS

COR 80 Hidden Sash TB

The Cortizo Hidden Sash Aluminium Window offers an elegant design with a concealed sash behind the frame, maximising light entry and glazed surface area. The 45 mm thermal break ensures excellent thermal and acoustic performance. It supports a glazing capacity of up to 51 mm, accommodating triple glazing for enhanced energy efficiency. Opening types, including tilt-and-turn, side-hung, and sliding options, the system also boasts dual-colour finishes and powder coating options. Maximum sash dimensions reach 1,300 mm width and 2,400 mm height.

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COR 70 Hidden Sash TB

The COR 70 Hidden Sash window offers a sleek and seamless look, with a sightline of only 66 mm. Featuring concealed hinges, the ARCH INVISIBLE handle, and an innovative drainage system, this design prioritises aesthetic purity. With glazing options ranging from 26 to 40 mm, it offers various opening mechanisms including side-hung, tilt-and-turn, and sliding. Available in dual-colour finishes and advanced powder coatings, this window provides exceptional thermal performance while maintaining its minimalist, elegant design.

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Cor 60 Hidden Sash TB

The COR 60 Hidden Sash offers a minimalist design with an interlock profile of just 63 mm, maximising the glazed surface for a sleek, contemporary look. With glazing options from 16 to 34 mm, this system supports various opening styles like side-hung, tilt-and-turn, and bottom-hung. It features a profile thickness of 1.6 mm, concealed hinges, and security hardware. Available in a wide range of dual-colour finishes and advanced coatings, the COR 60 is ideal for avant-garde architectural projects, delivering both style and function.

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Black Cortizo Handle
Arch hidden Handle
Stylish Handle
Locking System

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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!