Reliable Windows for Modern Homes

Available in a range of styles and sizes, these windows are ideal for new builds, extensions, or upgrades. With options like I-tec Insulation and I-tec Glazing, they provide added thermal comfort and noise protection—making them a smart, budget-friendly choice for energy-conscious homes.

KF 520 Invisible Sash & Secure

Ideal for design-focused homes, the KF 520 combines minimalist style with high performance. With excellent thermal insulation and security up to RC3, it delivers comfort, safety, and sleek aesthetics in one advanced window system.

KF 510 Maximum Light & Secure

Easy to maintain and built for everyday performance, the KF 510 is a great choice for homeowners who want light-filled spaces without compromising on safety or comfort. Its clean lines and advanced features make it a reliable fit for contemporary living.

KF 410 Classic, Insulated & Customisable

Its balanced design makes it ideal for both new builds and renovations. With optional features like I-tec Decor for personalised finishes, the KF 410 delivers lasting performance, quiet comfort, and a style that adapts to your home.

KF 310 Secure & Slim Design

Compact yet efficient, the KF 310 is well-suited for renovations or projects with limited space. With easy upkeep and flexible styling, it’s a smart, budget-conscious option that doesn’t compromise on comfort or performance.

KS 430 Barrier-Free Access

It pairs perfectly with Internorm’s uPVC-aluminium window systems and can be upgraded with Comfort Drive for effortless electric opening. A great choice for homeowners looking to connect indoor and outdoor living with style, safety, and convenience.

Is uPVC Right for Your Project?

Internorm’s uPVC windows are ideal when you need a cost-effective solution without sacrificing performance. They’re perfect for energy-conscious homeowners, developers, or renovators who want solid insulation, security, and low maintenance.

Thanks to their clean design and reliable durability, they’re a smart fit for rental properties, secondary homes, or upgrades where long-term value matters. With options like I-tec Secure and advanced glazing, they can also meet higher standards for comfort and efficiency when needed.

Recent Work

Working closely with architects, builders, and homeowners, we’ve delivered systems that combine thermal efficiency, modern aesthetics, and long-term durability—across private residences, sustainable developments, and architect-led designs.

Expert Advice & Insights

Explore detailed material comparisons, tailored installation advice,
and practical maintenance tips to keep your windows and doors performing at their best.

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Build It Live South East

Yes, we recommend booking an appointment to ensure personalised service and availability. You can schedule your visit by filling out our contact form or emailing us at [email protected].

During your visit, our team will guide you through our range of premium window and door systems. We’ll answer your questions, help you explore customisation options, and assist in finding the perfect solution for your project.

Absolutely! Bringing your project plans or drawings can help our team better understand your needs and provide tailored recommendations.

Our knowledgeable team is here to help. Whether you need advice on materials, styles, or energy efficiency, we’ll guide you through the process and ensure you make an informed decision.

Ready to transform your home?

Our experienced team provides bespoke window designs and precision installations, ensuring every detail complements your architectural style.

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