Last Updated on 13 March 2026 by Team GFD
Compare Atlas and Korniche roof lanterns in 2025. Discover which roof lantern offers the best value, performance, and style for your home.
What You’ll Learn:
- How Atlas and Korniche roof lanterns differ in performance and design
- Which roof lantern offers the best value for money and features
- Key buying tips for choosing the right roof lantern for your home
- Why ordering direct from GFD Homes gives you peace of mind
(Estimated Reading Time: 5-6 Minutes)
The Ultimate Roof Lantern Comparison — Atlas vs Korniche
There’s something magical about a roof lantern. It turns any kitchen extension or dining space into a bright, airy haven filled with natural light. But when it’s time to pick one, things get technical fast — suddenly you’re comparing U-values, ridge caps, and pitch angles instead of just imagining more sunshine.
This guide keeps it simple.
We’ll compare two of the best-known roof lantern systems in the UK — Atlas and Korniche — using product specifications, design features and live pricing available through GFD Homes.
As with any building product, the best choice will depend on your priorities, whether that’s sightlines, installation method, colour options or overall value. Korniche offers one of the most advanced aluminium roof lantern systems currently available, combining slim sightlines, strong structural performance and installer-friendly design.
By the end, you’ll know exactly which roof lantern suits your style, your space, and your budget — with no jargon, no confusion, and no hard sell.
Roof Lantern Comparison Matrix
| Brand | From Price | Frame Width | U-Value | Max Size | Glass Options | Colours | Pitch | Warranty | Standout Feature |
| Atlas | £793 | 40 mm | 1.2 W/m²K | 3m x 2m | Double / Self-cleaning / Solar | 200+ RAL | 25° | 10 Years | Thinnest sightlines and high structural strength |
| Korniche | £682 | 35 mm | 1.2 W/m²K | 3m x 2.5m | Double / Self-cleaning / Solar / Tinted | 108 RAL + 4 finishes (432 combinations) | 25° | 10 Years | Slimmesightlines with exception structural strength |
Example Roof Lantern Models and Live Prices
| Brand | Example Product | Live Price | View Product |
| Atlas | Atlas Aluminium Roof Lantern 1000×1000mm | £793 | View Atlas Lanterns › |
| Atlas | Atlas Roof Lantern 1000×2000mm | £1,070 | Shop Atlas Range › |
| Korniche | Korniche Aluminium Roof Lantern 850×850mm | £682 | View Korniche Lanterns › |
The Best For – Roof Lantern Comparison
Best for Slim Sightlines:
Korniche – With frames now measuring just 35mm, Korniche offers some of the slimmest roof lantern sightlines available. This maximises the glass area and creates a clean, contemporary appearance that suits modern extensions.
Best for Installation Ease:
Korniche – Its clip-fit system is revolutionary, allowing installers to fit faster, cleaner, and more accurately. A top pick for trade and DIY.
Best for Value:
Korniche – Despite its premium design and engineering, Korniche remains one of the most competitively priced aluminium roof lanterns on the market, making it a market-leading system that combines quality with excellent value.
Best for Custom Colour Options:
Korniche – Korniche offers 108 RAL colours plus four specialist finishes, giving over 430 colour combinations including dual-colour options. This makes it easy to match existing windows, bifolds, or interior décor.
Best for Energy Efficiency:
Korniche – While glazing performance is similar across most roof lantern systems, Korniche profiles contain a high-performance thermal break and offer glazing options achieving U-values as low as 1.0 W/m²K, helping improve thermal performance.
Best for Strength:
Korniche – Korniche lanterns are engineered for structural strength and can span larger openings without tie bars, maintaining clean sightlines while delivering excellent rigidity.
Best for Security
Korniche – Korniche roof lanterns are PAS 24 accredited, offering enhanced security performance for added peace of mind.
Best for Aesthetic Balance:
Korniche – Contemporary styling, symmetrical glazing bars, and ultra-slim aluminium profiles give Korniche lanterns a refined, modern appearance that complements both modern and traditional homes.
Best Overall:
Korniche – Korniche combines ultra-slim 35 mm sightlines, innovative installation design, impressive thermal performance and exceptional value.
With PAS24 security, a wide range of colour options, and the ability to span large openings without tie bars, Korniche offers one of the most advanced aluminium roof lantern systems currently available.
For homeowners looking for a modern lantern that balances style, strength and practicality, Korniche stands out as the strongest all-round choice.
Roof Lantern Key Buying Considerations
- Room Type:
- Kitchens and open-plan spaces benefit from larger spans and higher ridges (Atlas).
- Smaller rooms or orangeries suit compact, lower-pitch models (Korniche).
- Orientation:
South-facing? Opt for solar-control glass to prevent overheating.
- Maintenance:
Both brands offer self-cleaning glass, but Korniche’s optional tinted glass further reduces glare.
- Colour & Finish:
Korniche offers 17 stock colours for quick turnaround; Atlas offers full RAL customisation.
- Roof Type:
Ensure you have a warm roof construction for best energy efficiency — both systems integrate perfectly with them.
Technical Roof Lantern Comparison at a Glance
| Feature | Atlas | Korniche |
| Frame Width | 40 mm | 35 mm |
| Thermal Break | Polyamide multi-chamber | Polyamide |
| Pitch Angle | 25° | 25° |
| Glass Thickness | 24 mm | 28 mm |
| Max Recommended Span | 3m x 2m (no tie bar) | 3m x 2.5m |
| Self-Cleaning Glass | Yes | Yes |
| Solar Control Option | Yes | Yes |
| Tinted Option | Optional | Standard option |
| Dual Colour Option | Yes | Yes |
| Warranty | 10 Years | 10 Years |
Why Order Direct from GFD Homes
When you order directly from GFD Homes, you own the warranty — not your installer.
If the builder orders, any guarantees and aftercare are in their name.
If you order, they’re in yours — ensuring your peace of mind and direct access to support if you ever need it.
With GFD Homes, you also get:
- Instant online pricing (accurate to the millimetre)
- UK-wide delivery
- Transparent specs and customisation options
- Aftercare from genuine experts
Instant, Transparent Pricing
You can price and order both systems online — no surveys, no waiting.
Start now:
Every quote updates live as you adjust size, colour, and glass — so you’ll know the cost before committing.
Summary: Two Premium Roof Lantern Systems
Both Atlas and Korniche roof lanterns are high-quality aluminium systems designed to bring natural light into modern living spaces.
Atlas is known for its clean architectural appearance and minimal frame design.
Korniche stands out for its slimmer sightlines, installer-friendly design, strong structural performance, and wide range of colour options.
For many homeowners, Korniche offers the best overall balance of performance, aesthetics and value, while Atlas remains a respected alternative for architectural projects.
Whichever system you choose, ordering through GFD Homes ensures transparent pricing, UK delivery and expert support.
Compare, design, and order your roof lantern online now
🛒 Browse the full collection at www.gfdhomes.co.uk
📞 Or call 01642 309576 for expert guidance and a no-pressure quote.
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Browse Our Articles
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- Trade Roof Lanterns: Looking for trade prices? Visit our trade site, The Trade Village
FAQ’s
1. Which is better, Atlas or Korniche roof lanterns?
Both Atlas and Korniche roof lanterns are high-quality aluminium systems designed to maximise natural light in modern extensions. Atlas lanterns are known for their architectural design and minimal frame appearance, while Korniche lanterns stand out for their ultra-slim 35 mm sightlines, innovative clip-fit installation system, strong structural performance, and excellent value. For many homeowners, Korniche offers the best overall balance of style, practicality and performance.
2. Are roof lanterns energy efficient?
Yes. Both Atlas and Korniche roof lanterns achieve impressive U-values around 1.2 W/m²K thanks to thermally broken aluminium frames and insulated glazing. This means they help retain warmth while maximising daylight.
3. What is the lifespan of a roof lantern?
A high-quality aluminium roof lantern can last 30–40 years with minimal maintenance. Regular cleaning and checking seals annually will help maintain performance and appearance.
4. Can I install a roof lantern myself?
Some roof lantern systems are designed with easier installation in mind. Korniche roof lanterns, for example, use a patented clip-fit system that simplifies assembly and helps achieve precise alignment. Many experienced DIYers and installers favour this approach, although for larger or complex installations it’s still advisable to use a professional fitter.
5. Are roof lanterns suitable for all property types?
Yes. Roof lanterns can work with both modern and traditional homes. While they are commonly used in contemporary kitchen extensions, the wide range of frame colours and glazing options available means they can also complement period properties and heritage-style renovations.
