View the latest Internorm products, download our free brochure


All Internorm windows, doors and sliding doors are unique and our range is tailored to provide options for commercial, industrial and residential properties whatever the scale and scope of the design.


We’ve led in construction technology for decades and are continuously committed to providing forefront technology solutions for designers and architects who want the future today.


If you’re looking to combine different materials and elements for different aspects of your design then our range is more than up to the task. Don’t be limited by conventional thinking.


Certified fitting experts guarantee clean and professional fitting.
We take pride in our innovative technology and ensure that any fitted windows and doors are perfectly installed.

About Internorm

Internorm windows and doors have been a family business for more than 80 years having developed from a one-man blacksmith‘s shop to the largest internationally active window brand.

From the creation of the UPVC window and the production of timber/aluminium window to today‘s high tech and ultra-modern design innovations, this family company has been setting standards all over Europe. They are pioneers in their field and continue to further develop technology and innovative ideas. Their staff, of over 1900 employees across Europe, are specialists who thrive on attention to detail and act with passion and integrity.

Our vision

We manage our business for the long term. We envision technology acquisition and innovation ahead of customer need, over 30 year horizons.
This on-going commitment to innovation is essential to customer and societies needs for sustainable energy.

Together we enable you to create the best home that you possibly can using Internorm window and door designs, constructed to PassiveHaus standard to increase thermal efficiency and reduce your carbon footprint. Make our combined vision a reality, we are on hand to provide service each step of the way.

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You can choose from the many different Internorm window, door and sliding door design styles so that you can find solutions amongst the multitude of possibilities in shape, colour and material which fulfil exactly your demands on architecture, design and comfort: studio, home pure, home soft and ambiente.


Architecture is as varied as the people living in it. Not only does the design shape the style of the house, but windows and doors also underline its character considerably.


You can choose from the multitude of possibilities in shape, colour and material which fulfil exactly your demands on architecture, design and comfort: studio, home pure, home soft and ambiente.


New windows and doors from Internorm not only improve the comfort – but they also help with Energy saving.


Internorm I-tec innovations ensure that our hardware is fit for the finest of property installations. These innovations include invisible locking to ensure maximum security, a fully integrated ventilation system complete with a shading system and integrated blinds with a self-sufficient energy supply.

Internorm believe that energy used for the window should be created by the window.

Directly integrated ventilation means that you save energy and have a much higher level of air flow.

Internorm take pride in pioneering and fitting concealed hinges as standard.

Ever wanted to control your windows and doors at the touch of a button? With SmartWindow you can.

Download a brochure

Browse the extensive range of products we offer here in our catalogue.
This is available to you as a PDF or in hard copy.

  • Photos & illustrations of all ranges

  • Specifications, finishes & colours

  • New technologies

  • Multiple glazing options

  • Guarantees & Warranties


Passivhaus (Passive House)

Passivhaus is the quickest growing energy performance standard in construction with over 30,000 properties constructed. In application, a designer can utilise Passive House technology to reduce heating demand on the building, improve airtightness and minimise carbon emissions.

Suitable for residential, commercial and public buildings, Passivhaus (Passive House) design is the standard all buildings should strive to meet.

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Visit Us

Bringing the latest stylish products and designs from the exceptional Internorm range close to you throughout the UK. We have showrooms in Greater Manchester (Bury), Yorkshire (Harrogate) and the Midlands, Warwickshire (Leamington Spa).

We would love to see how you’re planning to integrate Internorm windows and doors into your design and will be happy to lend our expertise to see your vision brought to life.

Learn More


You can choose from the different Internorm design styles so that you can find a window, door and sliding door solution amongst the multitude of possibilities in shape, colour and material which fulfil exactly your demands on architecture, design and comfort: studio, home pure, home soft and ambiente.

Have an exciting project? Call us Free Now 0800 6771550

Get In Touch

Advice, care and expertise for professionals, whatever your requirements. Get in touch for more information.

  • Yorkshire
    Regent House
    John St
    HG1 1JZ
  • 01423 203790
  • Midlands
    Trident Park
    Poseidon Way
    Leamington Spa
    CV34 6SW
  • 01926 258001
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