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Cortizo Doors

Klosen / Doors  / Door Manufacturers / Cortizo Doors

Cortizo – Aluminium Doors

Leading the manufacture and design of aluminium profiles through innovation and strong investment since 1972.

Cortizo Doors

Elegance meets practicality with Cortizo doors. Crafted with slimline aluminium frames and insulated double glazed glass panels, these doors can look the part in buildings old and new. From corporate offices to private homes, these minimalist doors pack all the modern features to ensure great design doesn’t compromise security and insulation. In fact, these doors will keep your property warm in the winter and cool in the summer, while maximising on the natural views.

You’ll also enjoy a good level of noise insulation, meaning the outside world won’t leak into your interior spaces. With a range of easy-to-use sliding and bi-fold doors, you can easily create a seamless transition between your interior and exterior spaces.

Suitable for commercial and residential properties, with the choice that Cortizo offers, you can create the sophisticated environment you’re dreaming of.

Cortizo Door Installation & Planning

Whether your property is in Peterborough, Stamford or the surrounding areas, our team of dedicated installers are on hand to answer any of your questions. Contact us today to find out more about our Cortizo doors and how they could work for your property.

Download Cortizo Brochure

Why Choose Cortizo Doors?

  • They’re the perfect match for your Cortizo windows.
  • Cortizo uses reusable aluminium collected from waste collection points across Europe – making them an eco-friendly choice.
  • With a range of heights, widths, opening mechanisms and frame finishes to choose from you can
  • have bespoke doors to suit your property.
  • Multi-point locking systems – ensures high levels of security.

Still have questions? Get in touch with our friendly team today.

Why Choose Klosen?

Klosen has been a trusted slimline door installer for over 25 years, providing customers with exceptional personalised designs to elevate their properties. We specialise in providing luxury branded aluminium doors and windows, combining style and innovation to create beautiful, secure and practical living spaces. We listen carefully to your requirements and help to make your dream home or commercial space become a reality.

Cortizo logo
modern house with wood panelling and sliding glass doors
mountain coastal panorama
looking in at restaurant tables and chairs from outside

See Some Of Our Examples

Our Customer Reviews

Great Price & Quick Delivery

This company have been amazing and came to our rescue when another company let us down repeatedly over a period of 4 months during our building work. We got a great price, a quick delivery time and the same product but this time with lovely fitters who knew exactly what they were doing. Now we will will have a warm house for christmas HOORAY !! We went for 3 large sliding doors and the quality of the product is excellent . Many thanks to Audrey Cieran and the team I would recommend highly
- Esther Young


Delighted with the product and the service provided by Klosen. The installation team were excellent and very helpful.
- Sara Hyem

Very Happy

We’ve been very happy with the work Klosen recently completed for us. They installed a variety of windows and sliding doors for us on our new build project. All of the information we requested early on was provided promptly and they were great with our architect. Very happy with the end result and the colour they helped us chose.
- Sarah Munton

Frequently Asked Questions

About Cortizo

Cortizo has been engineering luxury aluminium doors and windows in Spain since 1972.

How long do Cortizo Doors take to install?

How long a Cortizo door takes to install depends on a number of factors including the size dimensions and opening mechanisms. However, most door installations shouldn’t take longer than a day.

Where can the doors be placed?

Cortizo doors are designed to open onto exterior spaces, such as your garden, patio or front drive.