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Korniche Roof Lantern

Price range: £694.56 through £4,247.01 ex. VAT £833.47 inc. VAT

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Shop Roof Lanterns that can be delivered faster within 7-10 working days. Please Ensure Sizes Ordered Are Correct – Sizes Cannot be Changed Once The Order Is Processed. 15% Discount Applied For Limited Time. Korniche Lantern 2-3 Weeks Lead Time. Please note this is the new Korniche Roof Lantern introduced in November 2025, measuring and fitting guide has been updated.
Made to order
Custom SizeBi-Fold & Sliding Doors
Slim frame roof lantern design
Slim internal sight lines and low external sight lines
Thermally-efficient glass
Custom made with a choice of external frame colours
10 year warranty
Reduced risk of condensation
Free self clean glass as standard

Transform your home with our stunning Korniche Roof Lantern.

Expertly designed to flood your space with natural light, the new Korniche Roof Lantern opens up any room, creating a bright, welcoming atmosphere all year round. Ideal for kitchens, living areas, or commercial spaces, it combines sleek, contemporary styling with exceptional performance and superior thermal efficiency.

Enjoy uninterrupted sky views, a lighter, more inviting space, and a striking focal point that elevates the look of any room.

Order your bespoke Korniche Roof Lantern today and benefit from Fast UK Delivery and our Best Price Guarantee.

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Sleek, slimline design for modern homes

The Korniche Roof Lantern’s minimalist frame provides slim internal sightlines and low external profiles, maximising the view while allowing light to flood your room. Its contemporary design merges seamlessly with both classic and modern interiors, creating spaces that feel open, airy, and inviting.

Bespoke sizes and features

Our sizes range from 1000mm x 1000mm to 6000mm x 2500mm, meaning you can select a lantern that perfectly fits your space. Choose from a range of glass specs, frame colours, and lighting features for your ideal design. Learn more in the measuring and installation guidelines tab.

Thermally-efficient and energy saving

The Korniche Roof Lantern keeps your home warm and protected with thermally broken aluminium profiles and high-performance glazing. U-values from 1.0–1.2 W/m²K ensure comfort year-round. Fully insulated eaves beams and a range of self-cleaning, performance glass options maximise energy efficiency while letting in abundant natural light. Learn more in the technical guidance tab.

Quick and easy installation

Each Korniche Roof Lantern kit comes with easy to follow instructions. It shouldn’t take longer than half a day for a professional to install. View our measuring and installation guidelines tab for more information.

Quality, durable materials

This roof lantern is made with durable aluminium, while its die cast components deliver long-lasting weather resistance and thermal performance. One of the strongest and most reliable features on the market, the lantern is built to endure.

Product FAQs

What is a Korniche Roof Lantern?

A Korniche Roof Lantern is a premium aluminium roof lantern designed to bring maximum natural light into your home. It combines sleek, modern aesthetics with structural strength and thermal efficiency. 

Why choose a Korniche Roof Lantern over other roof lanterns?

Unlike many traditional rooflights, Korniche Roof Lanterns provide large glass areas with minimal glazing bars for an uninterrupted view of the sky. Plus, they’re among the strongest and most thermally efficient on the market. Korniche is one of the leading names in the industry, offering reliable lanterns at great prices. 

Are they made in the UK?

Yes – they’re made exclusively in the UK, promising high quality, durability, and compliance with British standards.

Are bespoke sizes available?

Yes – we offer a variety of custom sizes to suit your space.

What glass specifications are available?

We offer a range of glazing, finish, and self-cleaning options for you to choose from.

Performance FAQs

Are Korniche Roof Lanterns thermally efficient?

Yes. They feature thermally broken aluminium frames, insulation gaskets, and low-emissivity glazing, resulting in roof U-values from 1.0 to 1.2 W/m²K. This ensures your room stays warm in winter and cool in summer while reducing condensation risk.

How long do they last?

Korniche Roof Lanterns are designed to last 15 to 25 years, and come with a 10-year warranty.

Is self-cleaning glass included?

Yes. All Korniche lanterns come with self-cleaning glass at no extra cost, reducing maintenance and keeping your lantern clear and bright for longer.

How do I maintain the lantern?

As the lanterns come with self-cleaning glass as standard, maintenance is minimal. Periodic inspection and manual removal of debris is recommended to maintain optimal appearance and performance.

Installation FAQs

How is a Korniche Roof Lantern installed?

Each lantern is supplied in a kit form with clear instructions. They sit directly on your existing upstand or kerb. Installation is straightforward and typically takes half a day for an experienced installer.

Do they come preassembled?

Korniche lanterns are supplied in kit form to allow easier access and safer handling. 

Cost FAQs

How much does a Korniche Roof Lantern cost?

Prices vary depending on size, configuration, and glazing. Our features are available from £694.56 – £4,247.01 (excl. VAT)*.

*Prices correct as of March 2026

Do you price match?

Yes – our Best Price Guarantee means you won’t find the equivalent feature for cheaper anywhere else.

Planning & regulations FAQs

Do I need planning permission?

Generally, most roof lanterns are considered permitted development for domestic properties, but planning permission may be required in certain circumstances. We always suggest you check local planning regulations.

Are Korniche Roof Lanterns suitable for commercial properties?

Yes – they’re robust, thermally efficient, and customisable, making them great for commercial buildings, offices, and hospitality venues.

Measuring & Installation Guidelines

Please note size you purchase from the drop-down menu on the website is based on the external upstand dimensions, inclusive of the roofing material. 

If you purchase a 2000mm by 1000mm from our website, then your external upstand dimension, inclusive of the roofing material, would be 2000mm by 1000mm. The width of your upstand should be minimum 75mm wide and 150mm high.

The New Korniche Roof Lantern rooflights are intended for installation onto a fully weathered and insulated builders’ upstand on flat and low-pitch roofs.

 

PDF Installation Fitting guide can be downloaded below. 

Korniche-LANTERN 2 – installation guide (Click here to view PDF)

Lantern2 – Surveying Guide (Click here to view PDF)

Video installation guide:

Technical Information

Unique spar tensioning system
The unique to Korniche tensioning system pulls everything together perfectly to eliminate gaps and improve looks, weather-tightness and strength.

Slimmer contemporary looks 
Reduced-width ridge, hips and rafters with taper design for minimal sightlines. Narrow top and end caps perfectly complement the slimmer profiles. Contemporary look with Korniche curve feature.

Increased thermal performance
Higher volume of thermally insulating material, Wider multichambered thermal breaks and Advanced glass coatings.

Better protection 
Re-designed entirely bespoke gasket systems for total closure, PAS24 high security as standard. Requires Korniche tool (supplied with assembly parts) to de-glaze.

Integrated lighting 
The neatest possible solution for highlighting your roof in low light.

Faster, Simpler installation 
Simplified fitting process with less fasteners, less steps. No experience necessary. Improved integrity sealing on upstand.

Specifications: 

  • Bespoke sizes up to 6m x 4m 
  • Fixed 25˚pitch 
  • 28mm double-glazed units 
  • Largest rectangular lantern with only 4 glass units: 3m x 2.5m (external size) 
  • Largest overall rectangular lantern size: 6m x 4m (external size) 
  • Largest Pyramid lantern with only 4 glass units: 2.5m x 2.5m (external size) 
  • Largest Pyramid lantern: 4m x 4m (external size)

LED lighting strip:
Based on the overall length of your eaves beam, you will receive either a single prewired dimmable IP65 10m LED strip or 2x 10m strips on a reel. Also, IP20 LED drive unit will be supplied matched to the power requirement of the strip(s).

Strips are adhesive-backed for easy installation; your roof will be predrilled for the cables and come with an installation guide and diffusing lens to ensure a high-quality finish.

KEEPING THE HEAT IN AND THE WEATHER OUT
The thermal efficiency of the Korniche roof has been guaranteed by the elimination of cold bridging, achieved by isolating the external profiles from the internal ones, combined with high-performance glazing. Korniche’s ability to reduce heat transfer is in a class of its own.

With complete roof U values from 1.2w/m2K, Korniche provides your home with a room that’s comfortable all year round.

Thermally Broken Eaves Beam
Thermal efficiency starts at the bottom of our roof. Eaves beams are fully thermally broken to create an insulated barrier between the aluminium sections.

Performance Glazing
Korniche can be supplied with a range of high-performance self-cleaning glass options to suit every taste. To complement your new roof, you can choose from glazing option to achieve a U values ranging from 1.0 – 1.2.

STRONG AND SECURE
The Korniche Roof Lantern has been optimised to create the strongest and stiffest roof lantern possible with minimal structure to obscure your view and let light flood into your home. Unparalleled in strength, the Korniche can survive whatever nature throws at it. Put into perspective, a 6mx4m roof lantern can support over 8 tonnes.

More Glass, Less Roof
Design optimisation ensures that Korniche has the largest glass spans and fewest rafters currently available from any other system on the market.

Highest Quality Weatherproofing
Providing the last word in weather protection, Korniche uses the best seals and gaskets available throughout, ensuring complete peace of mind in the most extreme conditions.

Security
Our innovative glass lock system and tamper-proof fasteners keep everything tightly in place, and once finishing capping’s are fitted, there are no visible fasteners anywhere to be seen.

KORNICHE NEW LANTERN BROCHURE 25 (Click here to view PDF)

Warranty

The product is supplied with a 10 year manufacturer’s warranty.

Delivery & Lead Time

Delivery & Lead Time

Lead time for this product is currently 2-3 working weeks. Please note that labour would need to be on site to accept and offload the glass from the vehicle. Lead time may vary at times due to workload.

FREE Delivery to most of the UK, £250 charge applies to postcodes AB, CT, DD, EH, FK, G, IV, KA, KW, KY, ML, PA, PH, PL, TR, TN23, TN24, TN25, TN26, TN30, TN29, TN28

We do not recommend arranging equipment and installation until the item has been delivered.

The Korniche roof lantern frame is delivered in kit form.

Testimonials