Internorm Commercial Projects

uPVC-Aluminium Windows

Blending the naturally low maintenance properties of uPVC with a robust aluminium clad, these composite systems are perfect for all commercial applications are available with and without integral blinds. Learn about their impressive technical specifications today.

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Temple Farm Commercial project

uPVC Windows

High functioning, durable and customisable uPVC windows for commercial applications. Available in a range of frame styles, these tilt and turn windows provide exemplary standards of thermal efficiency. Discover our three uPVC profiles in greater detail today.

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Timber-Aluminium Commercial Residential Doors Prices

Timber-Aluminium Doors

Our stunning timber-aluminium composite doors combine the best qualities of two of the finest materials on the market. Fulfil the needs of any commercial project with these stunning, secure and versatile doors. View our designated timber-aluminium hub for more information.

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AT410 Aluminium entrance doors

Aluminium Entrance Doors

Our AT range of thermally-broken aluminium entrance doors blend effortless aesthetics with an unrivalled performance. Perfect for more contemporary new build projects, they deliver a premium standard of energy efficiency and decibel reduction.

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Commercial Window Supply Prices

I-tec Blind & Shutter Systems

Our window innovation goes far beyond the profile. Our range of I-tec innovations, including high performance shading systems, allow Internorm windows to stand at the forefront of the industry. Find out more about our I-tec innovations today.

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Internorm Timber-Aluminium Commercial

Timber-Aluminium Windows

Internorm timber-aluminium windows are, simply put, the leading window systems on the market today. They achieve significantly superior U-values and better decibel reduction than regular timber or aluminium frames.

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Balcony Glazing Internorm

Balcony Glazing

Our innovative and fully integrated balcony glazing is superb for your high end apartment projects and commercial builds. Internorm’s market leading glazing units comfortably outperform the competition in all measurable comparisons.

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Windows & Doors
For all commercial needs.

Internorm are manufacturers and suppliers of the highest quality window and door systems available on the market today. Unmatched in design, performance and innovation, our products comfortably outperform all other systems available for commercial supply.

We manufacture bespoke windows and industrial doors in a plethora of unique material combinations, with many of our distribution partners being trusted commercial construction and glazing companies. As a result, Internorm can cater to the needs of any commercial project nationally. Explore our product range today, and you will quickly discover why the Internorm brand has become synonymous with quality and innovation.

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architect plans

Register to our Architect Portal

Explore the Internorm product range in greater detail and begin your work with us by registering for our Architect portal. You can view our latest product drawings and specifications of the Internorm range.

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Internorm Portal

Login to our BIM Library

Access our latest product descriptions and downloads by logging into Internorm’s BIM Object page today. You can use our BIM Library to speak with Internorm representatives about commercial supply.

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View Our Range

Internorm Commercial Windows


Industry leading windows offering phenomenal standards of thermal efficiency, soundproofing and durability. We offer window profiles in three different materials, catering to all commercial projects. Our extensive range of windows are available in all different configurations, opening variations and dimensions, with many of our windows meeting Passivhaus standards.

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Available in three material types:

uPVC Aluminium Window SuppliersuPVC-Aluminium
Timber Aluminium Window SuppliersTimber-Aluminium
uPVC Window SuppliersuPVC


Internorm’s entrance doors provide unparalleled performance levels within both residential and commercial applications. The perfect option for large new build housing projects, our wide range of front doors are exceptionally robust, exceeding the Secured by Design requirements and equally adhering to PAS 24 and Part Q. Many of our doors also meet Passive House standards.

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internorm commercial doors
Lift Slide Doors Commercial

Lift Sliders

The latest innovation in sliding door technology, our lift sliders revolutionise effortless operation for the end user. Slim sightlines and market leading glazing options combine to seamlessly connect indoor and outdoor spaces. Stay ahead of the curve with our market leading lift slide doors.

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Our Accreditations & Affiliations

Why Internorm?

Here at Internorm, we are the market leaders in window and door manufacturing. We have compiled some of the reasons why we stand out from the crowd at the forefront of our industry below.


All standard installation materials, including components such as fixing lugs, are included within the price we quote you.


Internorm offer a fifteen year product warranty, which is significantly longer than what is offered by our competitors. We stand by product quality 100%.


Our windows are engineered with a straightforward installation in mind. You can achieve a weathertight state more quickly and efficiently.


Eight week maximum lead times on all products, which is significantly swifter than other commercial suppliers.


The U-value of our entire window system is certified, as opposed to just internal or external values as with other manufacturers.


Internorm's leading window and door systems account for some 90% of the world’s PassivHaus approved builds.


We implement triple gasket technology through our entire product range, for the very best weatherproofing and soundproofing levels.


All glass units are manufactured in-house, rather than outsourced, giving complete control over quality. Our I-tec glazing is just as high quality as our profiles.


Internorm will work alongside your architect to complete all design work and shop drawings within the quoted price for your windows or doors.


Internorm invites all potential commercial customers on an expense-paid visit to our factory in Austria. See for yourself how we do things differently.

High Specification Case Studies

Wadswick Green Corsham

  • Client – Rangeford Holding LLP
  • Contractor – Rydon South West
  • Architect – CMS Group
  • Location - Corsham, Wiltshire
  • Internorm Contract Value - £750k+


Previously an ex-MOD Property, Royal Arthur Park in Corsham, Wiltshire, Wadswick Green was conceived over ten years ago as a completely new way of living for the over 60s.

The Luxury Retirement Village has been created as a space of well-being, providing high quality care and a range of excellent services for individuals in Created for residents over 60 who want a certain degree of luxury and assurance of quality.

Onsite facilities which make this unique in the area include a spa and swimming pool, high quality restaurant, salon and assisted living provisions. When complete, the village will comprise more than 200 luxury apartments, over 11 different buildings set in beautiful parkland.


The client and architect were specifically looking to specify a timber aluminium glazing system which would not only be aesthetically appealing, high quality and thermally efficient, but also provide elderly residents with ease of use, level thresholds, accessible operation and which would be easy to maintain for site operatives.

Buying Drivers

Having had some problems with other composite window suppliers on the site previously, the client were keen to specify a system which would meet the brief above, and which could be delivered to an exacting programme and budget.

Specification & Requirements

Double Glazed Timber-Aluminium, HM716/FI500

DDA compliant hardware, tilt and turn

Level thresholds throughout

Internorm Products

HF210 Timber-Aluminium Windows, Balcony Doors, Ribbon Wall

HS330 Timber-Aluminium Lift-Sliding Doors

AT200 Entrance Doors

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