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 the two biggest names in the UK — Atlas and Korniche roof lanterns — using real product data, performance figures, and live pricing from GFD Homes.
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 | 57 mm | 1.2 W/m²K | 3m x 2.5m | Double / Self-cleaning / Solar / Tinted | 17 + dual colour | 25° | 10 Years | Clip-fit design for easy install & perfect symmetry |
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:
Atlas – With frames just 40 mm wide, Atlas leads the field in glass-to-frame ratio. If your goal is maximum daylight and minimal structure, Atlas wins hands down.
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 Budget:
Korniche – Starting at £690 inc VAT, Korniche offers premium quality at the best price point.
Best for Custom Colour Options:
Atlas – Over 200 RAL shades, including dual-colour options. Ideal if you want to match windows or bifolds perfectly.
Best for Energy Efficiency:
Both – Both achieve 1.2 W/m²K U-values using thermally broken aluminium frames and insulated glass units.
Best for Strength:
Atlas – Engineered to span large roof openings without tie bars, maintaining structural integrity while keeping views clear.
Best for Aesthetic Balance:
Korniche – Perfectly symmetrical glazing bars and neat ridge detailing make it one of the cleanest designs on the market.
Best Overall:
Atlas – The all-rounder for performance, looks, and longevity — particularly suited to premium projects where detail matters.
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 | 57 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 Great Choices, One Trusted Source
You now know:
- Atlas = the thinnest frames, largest spans, and ultimate finish.
- Korniche = the fastest fit, the best value, and stunning symmetry.
Both systems are exceptional, but they suit slightly different priorities.
Atlas is ideal if you want architectural finesse; Korniche if you want simplicity and savings.
Whichever you choose, with GFD Homes, you’re backed by a decade of warranty, UK delivery, and advice that’s actually worth listening to.
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.
In a rush? Why not contact us via Whatsapp
Browse Our Articles
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FAQ’s
1. Which is better, Atlas or Korniche roof lanterns?
Both are excellent, but they serve slightly different priorities. Atlas roof lanterns are ideal for those who want ultra-slim frames and maximum light, while Korniche roof lanterns are perfect for quick installation and great value.
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?
Many trade professionals and experienced DIYers prefer Korniche roof lanterns for their clip-fit system and easy assembly. For large or complex installations, it’s best to hire a professional fitter to ensure perfect alignment and sealing.
5. Are roof lanterns suitable for all property types?
Yes. While roof lanterns are often seen in modern extensions, they also suit traditional homes. With the right frame colour and glass type, you can achieve either a heritage or contemporary look effortlessly.

