Last Updated on 14 May 2025 by Tia Ellahi
Korniche: Who are they?
Korniche is a British brand known for designing high-performance aluminium bifold doors, sliding doors, roof lights and roof lanterns that combine sleek style with thermal efficiency.
What’s Included in This Article:
- Who Korniche are and what sets them apart
- A breakdown of their top products: bifolds, sliders, roof lanterns & flat glass
- Real-life benefits for homeowners
- FAQs
(Estimated reading time: 3–5 minutes)
Introduction
When it comes to home extensions, renovations, and light-filled spaces, Korniche is a name that keeps coming up—and for good reason. This UK-based brand has quickly become a favourite among homeowners, architects, and installers thanks to its unbeatable combination of style, performance, and ease of installation.
Whether you’re planning a rear kitchen home extension, replacing tired patio doors, or adding daylight with a sleek roof lantern, Korniche has a solution to help you make your dream space a reality.
What Is Korniche?
Korniche is a British-engineered glazing brand specialising in high-performance aluminium products designed for easy fitting, low maintenance, and maximum impact.
From their award-winning bifold doors to sleek, thermally broken roof lanterns, Korniche is all about offering architectural-grade solutions that look stunning and perform brilliantly in real homes.
Key Features Across the Range:
- Ultra-slim sightlines
- High thermal efficiency
- Fast, installer-friendly systems
- British design and manufacturing
- Modern, minimal profiles with maximum glass
With Korniche, you don’t just get a product—you get the total package: looks, performance, and simplicity.
Korniche Product Range Explained
Korniche Aluminium Bifold Doors
Korniche bifold doors are ideal for creating wide, open-plan transitions from kitchen diners or lounges into the garden. With multiple configurations and opening options, they suit everything from compact patios to full-width extensions.

Benefits:
- Slim 122mm sightlines
- Finger-safe gaskets and secure operation
- Smooth, light gliding on stainless steel rollers
- Multiple panel layouts (up to 7 panels)
- Available in dual colours and bespoke RALs
Korniche Sliding Doors (Cortizo System)
Korniche’s collaboration with Cortizo results in some of the slimmest and smoothest sliding doors available in the UK. If uninterrupted views and clean lines are your priority, these doors are for you.
Features:
- Incredibly slim 20mm interlock
- Lift-and-slide mechanism
- Excellent thermal and acoustic insulation
- Strong yet lightweight frames
Korniche Aluminium Roof Lanterns
Designed to bring maximum light with minimal frame, Korniche roof lanterns are a game-changer for kitchen and open-plan extensions. They’re incredibly quick to install and engineered for outstanding thermal performance.
Why homeowners love them:
- U-values as low as 1.0 W/m²K
- Thermally broken rafters and eaves
- Self-cleaning glass options
- Available in square or rectangular designs
- Strong enough for large spans without bulky bars
Korniche Flat Glass Roof Lights
For minimalist projects, Korniche’s flat glass roof lights offer a clean, modern finish. They’re perfect for flat-roof extensions or orangeries where you want extra light without the visual bulk of a lantern.
Key benefits:
- Edge-to-edge glazing
- Excellent light transmission
- Low-maintenance external glass
- Thermally efficient frames
- Discreet and contemporary look
Why Homeowners Choose Korniche
Fast Installation
Ideal for projects on tight timelines.
Thermal Performance
Keeps your space warm and efficient.
Design Freedom
Wide colour range, sleek lines, and large spans.
Trusted Quality
Made in the UK with rigorous testing and compliance
Minimal Maintenance
Powder-coated finishes and corrosion-resistant frames
Korniche products are the kind you install once—and enjoy for decades.
Korniche: Real-Life Use Cases
Open-Plan Kitchen Extensions
A Korniche roof lantern over a kitchen island + bifold doors opening onto the garden = dream entertaining space.
Loft Conversions
Flat glass roof lights allow natural light without losing privacy—ideal for inner-city properties.
Garden Rooms
Add sliding doors and enjoy year-round garden views with thermal comfort.

Listed/Heritage-Compatible Projects
With slim frames and discreet detailing, Korniche products suit modern and period properties alike.
Choose Korniche with GFD Homes Today
Whether you’re renovating a family home or planning a sleek new extension, Korniche offers a glazing solution that’s as stylish as it is practical. With unmatched simplicity, slim sightlines, and outstanding energy performance, it’s no wonder Korniche continues to lead the way in home improvement.
Build it better, brighter, and bolder—with Korniche and GFD Homes.
📞 Call our team on 01642 309576 to get advice, a quote, or help choosing the right setup.
📝 Don’t forget to visit our GFD Blog for more product guides and real home inspiration.
FAQs about Korniche
Are Korniche doors energy-efficient?
Yes. They feature thermal breaks and double glazing, offering great U-values.
Can I customise the frame colour?
Absolutely. Choose from standard shades or over 200+ RAL finishes.
Are these suitable for self-builds or trade installs?
Yes, Korniche products are quicker to install than many alternatives, but they should always be fitted by professionals to ensure long-term performance and avoid issues like leaking or poor alignment.
Do I need planning permission?
Not usually for roof lanterns or rear bifolds, but always check with your local authority or architect.
Find the best product for your home: more articles to explore…
- What Is a Trickle Vent? Everything You Need to Know
- Smart Bifold Doors: Visofold 1000 – A Firm Favourite
- Trade Korniche: looking for trade prices? Visit our trade site, The Trade Village.