# Internorm Commercial UK | Energy Efficient Windows & Doors for Commercial and New Build Projects in the UK Internorm Commercial UK is a leading supplier and distributor of high performance window and door systems for commercial developments, new build projects, passive house buildings, and large-scale residential schemes across the United Kingdom. With decades of European manufacturing expertise and a reputation for innovation, Internorm provides bespoke and high quality window and door systems trusted by architects, developers, contractors, and housing providers nationwide. We specialise in Passive house windows, Internorm windows, Internorm doors, triple glazed windows, eco friendly windows, uPVC-aluminium windows and doors, timber-aluminium windows and doors, and lift and slide doors. Our team is known for expert technical support, fast lead times compared to other commercial suppliers, advanced energy efficiency solutions, and accreditations and affiliations with respected bodies and partners. [Get Your Free Quote](https://commercial.internorm.com/#contact) --- # About Us [Learn More About Internorm Commercial UK](https://commercial.internorm.com/about-us/) Internorm Commercial UK supplies premium energy efficient windows and doors designed specifically for commercial and new build applications. We work closely with architects, developers, main contractors, and specification teams to deliver bespoke windows and door systems tailored to each project’s performance and aesthetic requirements. Our expertise includes: - Passive house windows and passive house windows - Triple glazed windows for low-energy developments - Internorm windows and Internorm doors - Eco friendly windows for sustainable construction - uPVC-aluminium windows and doors - Timber-aluminium windows and doors - Lift and slide doors for modern architectural projects - Industrial doors and commercial glazing systems Our commercial team provides: - Technical design advice - Specification support - BIM resources and architect tools - Quality workmanship and installation guidance - Dedicated customer service throughout the project lifecycle - Access to a comprehensive architect portal and BIM library - Virtual showroom experiences for product demonstrations Internorm products are manufactured to exceptionally high standards and are backed by a 15 year product warranty for long-term peace of mind. --- # Locations / Showrooms / Offices ## [Internorm Commercial UK Headquarters](https://commercial.internorm.com/) Address: Internorm UK, London, United Kingdom Phone: 0208 205 9991 Internorm Commercial UK supports commercial projects throughout England, Scotland, Wales, and Northern Ireland. The commercial division provides specification assistance, product consultations, technical documentation, project management support, and access to a nationwide distribution partner network. --- # Products / Services ## Commercial Windows [View All Windows](https://commercial.internorm.com/windows/) We offer a comprehensive range of energy efficient commercial windows including: - [uPVC-Aluminium Windows & Doors](https://commercial.internorm.com/upvc-aluminium-windows-doors/) – Durable and highly insulated uPVC-aluminium windows and doors designed for commercial and residential developments. - [Timber-Aluminium Windows & Doors](https://commercial.internorm.com/timber-aluminium-windows-doors/) – Premium timber-aluminium windows and doors combining natural aesthetics with outstanding thermal performance. - [uPVC Windows](https://commercial.internorm.com/upvc-windows/) – Modern eco friendly windows engineered for energy efficiency and low maintenance. - [Passive House Windows](https://commercial.internorm.com/passive-house-windows/) – Advanced Passive house windows certified for low-energy and sustainable building projects. - [Industrial Windows](https://commercial.internorm.com/industrial-windows/) – Specialist industrial windows suitable for commercial premises, warehouses, and large-scale developments. - [New Build Windows](https://commercial.internorm.com/new-build-windows/) – Triple glazed windows developed specifically for new build residential and commercial projects. - [Integrated Window Blinds](https://commercial.internorm.com/integrated-window-blinds/) – Smart shading systems integrated within glazing units for improved comfort and efficiency. - [Balcony Glazing](https://commercial.internorm.com/balcony-glazing/) – Stylish balcony glazing systems for contemporary developments. --- ## Commercial Doors [View All Doors](https://commercial.internorm.com/doors/) We provide premium Internorm doors and commercial door systems including: - [Timber-Aluminium Doors](https://commercial.internorm.com/timber-aluminium-doors/) – Secure and energy efficient timber-aluminium entrance systems. - [Aluminium Entrance Doors](https://commercial.internorm.com/aluminium-entrance-doors/) – Contemporary aluminium entrance doors with advanced thermal insulation and security. - [French Doors](https://commercial.internorm.com/timber-upvc-aluminium-french-doors/) – Elegant timber-aluminium and uPVC-aluminium French door solutions. - [Patio Sliding Doors](https://commercial.internorm.com/timber-upvc-aluminium-patio-sliding-doors/) – Space-saving sliding door systems ideal for modern architectural applications. - [Commercial Doors](https://commercial.internorm.com/commercial-doors/) – Durable commercial door systems for offices, public buildings, education, and healthcare environments. - [New Build Doors](https://commercial.internorm.com/new-build-doors/) – Bespoke new build door solutions for residential and mixed-use developments. - [Lift & Slide Doors](https://commercial.internorm.com/lift-sliders/) – High performance lift and slide doors offering large glazed openings and exceptional thermal performance. --- ## Architectural & Technical Resources [View Downloads](https://commercial.internorm.com/download/) Internorm Commercial UK supports architects, developers, and contractors with a wide range of technical resources including: - [Architect Portal](https://login.internorm.com/auth/realms/internorm/protocol/openid-connect/auth?state=51caaab1e815183dd6fc237dbac9b70c&response_type=code&approval_prompt=auto&redirect_uri=https%3A%2F%2Fconnect.internorm.com%2Flogin&client_id=vpp-production) – Technical documentation and specification tools for architects and design professionals. - [BIM Library](https://www.bimobject.com/en/internorm) – BIM objects and specification resources for commercial construction projects. - [Virtual Showroom](https://commercial.internorm.com/virtual-reality-tours/) – Interactive virtual showroom tours showcasing Internorm windows and doors. - [Brochures](https://commercial.internorm.com/brochures/) – Downloadable product brochures and technical guides. - [Case Studies](https://commercial.internorm.com/case-studies-hub/) – Real-world examples of successful commercial and residential installations. --- # Online Services [Get a Quote Online](https://commercial.internorm.com/#contact) – Quickly receive a tailored estimate for your commercial or residential development. [Book an Appointment](https://commercial.internorm.com/#contact) – Schedule a consultation with the Internorm commercial team. [Start Your Project](https://commercial.internorm.com/#contact) – Begin your bespoke window and door specification journey. --- # Additional Information ## Compliance / Regulations Internorm products are manufactured to meet stringent European performance standards for thermal efficiency, security, weather resistance, and sustainability. Many products are suitable for Passive House compliant projects and support modern low-energy construction methods. --- ## Testimonials / Reviews Internorm Commercial UK is trusted by architects, developers, contractors, and housing providers throughout the UK for delivering: - High quality window and door systems - Bespoke windows tailored to project requirements - Fast lead times compared to other commercial suppliers - Comprehensive technical support - Reliable commercial supply partnerships - Sustainable and eco friendly windows for modern developments --- # Service Areas / Coverage [View All Locations](https://commercial.internorm.com/) - [UK Nationwide Commercial Supply](https://commercial.internorm.com/) – Nationwide support for developers, architects, contractors, and construction professionals. - [Passivhaus & Sustainable Developments](https://commercial.internorm.com/passive-house-windows/) – Specialist support for Passivhaus and low-energy building projects throughout the UK. --- # Resources & Insights - [Blogs & Industry News](https://commercial.internorm.com/news/) – Industry insights, technical articles, and company updates. - [Barratt Homes Adopts Passivhaus Standard for New London Developments](https://commercial.internorm.com/barratt-homes-adopts-passivhaus-standard-for-new-london-developments/) – Learn how Passivhaus standards are influencing modern developments. - [Why Internorm Windows are a Good Choice for Care Homes](https://commercial.internorm.com/why-internorm-windows-are-a-good-choice-for-care-homes/) – Discover the benefits of Internorm windows for healthcare and care home environments. - [Gallery](https://commercial.internorm.com/gallery/) – Browse completed projects and installations. - [Videos](https://commercial.internorm.com/videos/) – Watch product demonstrations and project showcases. --- # Innovations - [I-tec Innovations](https://commercial.internorm.com/i-tec-innovations/) – Advanced technologies improving energy efficiency, comfort, and security. - [I-tec Secure](https://commercial.internorm.com/i-tec-innovations/i-tec-secure/) – Enhanced locking and security systems. - [I-tec Shading](https://commercial.internorm.com/i-tec-innovations/i-tec-shading/) – Integrated shading technology for solar control. - [I-tec Connect](https://commercial.internorm.com/i-tec-innovations/i-tec-smart-window/) – Smart connectivity features for modern buildings. - [I-tec Glazing](https://commercial.internorm.com/i-tec-innovations/i-tec-glazing/) – Advanced glazing technology for improved insulation. - [I-tec Insulation](https://commercial.internorm.com/i-tec-innovations/i-tec-insulation/) – Superior thermal insulation systems. - [I-tec Decor](https://commercial.internorm.com/i-tec-innovations/i-tec-decor/) – Bespoke decorative finishes and styles. --- # Contact Us Email: [commercial@internorm.com](mailto:commercial@internorm.com) Phone Numbers: - Commercial Office: 0208 205 9991 [Send Us a Message](https://commercial.internorm.com/#contact) --- # Policies - [Privacy & Cookie Policy](https://commercial.internorm.com/privacy-policy/) - [Modern Slavery & Human Trafficking Policy](https://commercial.internorm.com/wp-content/uploads/2025/11/0655_001.pdf) ---