
uPVC Windows
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Award-winning uPVC Windows for All Architectural Styles
Internorm’s modern uPVC windows have been incredibly popular amongst homeowners thanks to their versatility, energy efficiency and hardwearing properties. Internorm’s award winning uPVC windows can easily be tailored to suit your personal requirements and matched to the existing style of your home.
Our range of high performance products offers a fantastic choice for all types of renovations, such as extending or upgrading your residential property or integrating it into a low energy new-build home.
More unusual designs, such as triangular, rounded or pointed arches, can also be incorporated to add to individuality.
Internorm was established 90 years ago and has been manufacturing uPVC windows for new builds and home improvement solutions since 1966 and are Europe’s leading manufacturer of modern uPVC windows.
When buying a uPVC window from Internorm UK, you’ll be buying an outstanding product that has been perfected from years of manufacturing experience.
INTERNORM UPVC WINDOWS COMBINE STYLE WITH EFFICIENCY AND SECURITY
uPVC windows by Internorm are the perfect choice for all styles of homes. Our uPVC windows are both visually appealing while boasting a fantastic range of modern-day features. This includes state of the art security hardware, helping keep you and your loved ones protected for years to come.
KF 410
uPVC
KF 510 NEW
uPVC
KF 520
uPVC
Highly Efficient uPVC Windows
Internorm uPVC windows offer exceptional thermal performance and sound reduction.
Your home’s heat retention will improve greatly when having Internorm UK’s uPVC windows installed, with our range reaching U-values as low as 0.62. This not only means that your home feels more comfortable, your energy bills can be significantly reduced. All our uPVC windows are suitable for use in low energy and Passivhaus applications.
Many of us live in congested urban environments and reducing the noise entering your home is crucial. Who doesn’t want a good night’s sleep? Internorm uPVC windows provide superior sound reduction, with the KF 520 achieving a new record of 47dB, whereas standard double glazing only reaches 29dB.

Innovative uPVC Windows
Not only do Internorm’s modern uPVC windows look great, they also offer several exceptional and unique technical benefits. uPVC is extremely robust, making it resistant to harsh weather conditions even after long periods of exposure. When having uPVC windows installed from Internorm UK, you can rest assured that your house will be protected for years to come with minimal maintenance.
What makes Internorm uPVC windows No. 1 in Europe?
I-tec Glazing – unique to Internorm windows. The glass unit is bonded to the window sash continuously, without any gaps, therefore ensuring maximum security protection, increased thermal insulation and improved sound reduction.
I-tec Insulation – available as standard with two Internorm systems, improving thermal insulation even further.
I-tec Secure– included in KF520, achieves resistance class RC3.
If you are looking for integrated blind options, take look at our UPVC/Aluminium range.

Sustainable uPVC Windows
Creating sustainable buildings is becoming increasingly important, and Internorm uPVC windows are the natural choice for achieving this in your own home.
Internorm has long focused on sustainable production methods:
• in-house production of windows, doors, glass and profile extrusion
• end-of-life recycling
• integration of recycled uPVC in new products
• locally sourced and efficient use of raw materials
• waste heat recovery
• switch to geothermal energy
When buying Internorm products, you can be assured of buying from a responsible manufacturer focused on reducing not only its own but also your carbon footprint.

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Reduce Noise Pollution
Many of us live in congested urban environments, and reducing the noise entering your home is crucial. Who doesn’t want a good night’s sleep? Internorm uPVC windows provide superior sound reduction, with the KF 520 achieving a new record of 47dB, whereas standard double glazing only reaches 29dB.
Our Styles
Studio
Our studio design brings a touch of elegance to any home with its sleek and minimalistic style. When choosing studio uPVC windows, your home will benefit from a flush design that will seamlessly blend into the existing architecture of your home. The distinctive style will leave only the glass pane visible, perfect for homeowners looking to create a modern style property.

Home Pure
Our home pure style uPVC windows help create a bright and open plan living space all year round. The large glass panes and eye catching designs will allow more natural light to flood your home, creating an enjoyable living space that you can enjoy with loved ones.

Home Soft
Home Soft is an extremely versatile design, making it a popular choice for both contemporary and traditional style homes. Our Home Soft windows will bring a sense of comfort and homeliness to your property, with a variety of stunning customisable options to choose from to truly make it your own.

Ambiente
Ambiente windows will add a touch of luxury to any property, whilst still incorporating a homely and authentic feel. Homeowners can enjoy a selection of traditional designs and features when choosing our uPVC ambiente windows.

Find your Local Distribution Partner
Internorm uPVC Windows
Want to know more about our fantastic range of uPVC windows? Internorm have local partners across the UK, making it easy to find a trusted Internorm distribution partner near you. Our expert teams are dedicated to delivering high-quality products, installation and outstanding service and support.
Use our innovative ‘Find Distribution Partner’ tool to get in touch with our team of Internorm professionals, who will be happy to discuss your upcoming uPVC window project. Whatever the size and budget of your next project, Internorm are here to help.
Alternatively, you can speak to a friendly team member via our contact page. We look forward to hearing from you.
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Ready to Start Your Next Project?
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