Roof Lanterns

Premium Roof Lanterns

When you want to elevate your home with a light-filled extension or conservatory, our aluminium roof lanterns tick all the right boxes. At Essex Bi Fold we supply premium lantern roofs that combine exceptional thermal performance, sleek profiles and expansive glazing to bring more sky into your living space. Our carefully selected range from leading manufacturer Korniche features minimal roof bars, slim aluminium rafters and expert detailing to deliver less roof, more light. Transforming kitchens, orangeries and extensions into bright, welcoming spaces. Whether you're extending a home, creating a new glazed roof structure or simply refreshing your flat‐roof opening, our lantern roofs bring modern design and high specification to your property. Thanks to deep thermal breaks, advanced glazing and structural integrity, you enjoy spectacular views, year-round comfort and reduced heating bills.

Korniche Lantern Roof

The brand-new Korniche Roof Lantern combines sleek, contemporary design with high- performance aluminium engineering, creating a stunning focal point for any home. Featuring 35 mm slim sightlines, square styling, and no visible fixings, this lantern provides uninterrupted views and a clean, modern finish. Built from die-cast aluminium with PAS-24 security, it delivers both strength and peace of mind.

Designed with high thermal performance in mind, the lantern incorporates a polymer insulation core and 28 mm argon-filled double-glazed units, achieving excellent U-values. Fully bespoke in size and colour, and with options for integrated LED lighting, the Korniche Roof Lantern allows you to enjoy daylight and evening ambiance alike.

Key Benefits

Slim 35 mm sightlines and square styling for a sleek, modern aesthetic
Die-cast aluminium construction with PAS-24 security for strength and safety
High thermal performance with polymer insulation cores and argon-filled double glazing (28 mm)
Integrated dimmable LED lighting with diffusing lens for ambient evening illumination
Fully bespoke sizes: up to 6 m × 4 m for rectangular lanterns, 4 m × 4 m for pyramid designs
Largest pyramid lantern with only 4 glass units: 2.5 m × 2.5 m
Largest rectangular lantern with only 4 glass units: 3 m × 2.5 m; overall rectangular up to 6 m × 4 m
Fixed 25° pitch for classic lantern styling
Three stock RAL colours: Gloss White (RAL 9910), Matt Grey (RAL 7016), Matt Black (RAL 9005)
Dual-colour options at no extra cost; fully bespoke RAL and BS colours available
Glass options: laminated, privacy, or self-cleaning coatings

Why Choose Essex Bi-Fold?

30 years Experience

Over 30 years experience of supplying and installing premium roof lanterns and glazing solutions across Essex and the South East

Origin Premium Partner

Trusted local specialists partnering with Korniche and other top brands to deliver quality and performance.

In-house design

Full in-house design, planning support and professional installation - from initial idea to finish

Dedicated showroom

Dedicated showroom where you can see our roof lantern systems in person and assess finishes, operation and quality

Start My Quote

Jeanette White

"The Bi-fold doors are amazing. The showroom has a few full set-ups which allowed me to have a good look and try it out before deciding. "

Raymond Law

"We visited Essex Bi-Fold doors and met with Clive and were impressed with there showroom and expertise. The doors we ordered look great, and the quality is excellent. "

Lester Wadden

"Essex Bi-fold Replaced our two old Kitchen roof windows with new Korniche roof lanterns. The whole experience, from initial enquiry to completion of installation, was excellent. The design of the new windows is so much more efficient, allowing more light into the kitchen."

Vicky Knight

"Wonderful experience from start to finish. We purchased Origin Bi-folds from Essex Bi-Folds August 2025. Easy to purchase, great showroom with lots of options, good price, amazing quality. "

The Bootlegger

"Great service and communication. OS-29 sliding door went in without issues. We’re really glad we found Essex Bi Fold as they’ve been on point. Loving the door quality and look. Feels very strong, door glides open with ease. 10/10."

Karen Scarsbrook

"Highly recommend this company. Everyone we dealt with from Lee in the office, his manager and the installers were extremely nice and super helpful - going the extra mile to get the finish we desired. "

Paul Marsh

"Absolutely fantastic team Clive Lee and the guys couldn't do enough for you. The difference its made to our lives is insurmountable."

Recent Projects

Real projects, real results - crafted with precision and care

Explore our latest projects featuring bi-fold doors, sliding doors, entrance doors, and windows - transforming homes with light, space, and modern design, all crafted with precision and care.

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A Modern Touch for a Countryside Classic

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Open-Plan Garden Transformation

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Beaumont Hall Barns Restoration

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High Spec Essex Development

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Chelmsford Conservatory Transformation

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Light-Filled Kitchen Extension

Questions? We’re Here to Help

Find answers about our services - or ask us anything you don’t see.

How energy efficient is the Korniche Roof Lantern?

The lantern achieves U-values from 1.2 W/m²K, thanks to deep thermal insulation cores and argon-filled double glazing, keeping your home warm and reducing energy bills.

Can I choose the size of my lantern?

Yes, the Korniche Roof Lantern is fully bespoke. Rectangular designs can reach up to 6 m × 4 m, and pyramid lanterns up to 4 m × 4 m, with multiple glazing options.

Are the lanterns secure?

Absolutely. The lantern features PAS-24 security and robust aluminium construction for complete peace of mind.

What colours are available?

Three stock colours are available: Gloss White (RAL 9910), Matt Grey (RAL 7016), and Matt Black (RAL 9005). Dual-colour combinations and bespoke RAL/BS colours are also possible.

Does the lantern come with lighting options?

Yes, you can specify fully integrated, dimmable LED lighting with a diffusing lens, creating ambiance in the evening while maintaining a clean daytime aesthetic.

Is installation difficult?

No. Essex Bi-Fold supply and install each lantern, using a pre-tensioned, precision-engineered system for a safe, fast, and repeatable installation.

What glass options are available?

Glass can be laminated, privacy, or self-cleaning. The 28 mm double-glazed units are argon-filled with warm-edge spacers for optimum insulation.

Can I see the lantern before ordering?

Yes, our Essex showroom displays the Korniche Roof Lantern so you can view its build quality, finish, and lighting options in person.

Let natural light flood in

Premium Roof Lanterns

Korniche Lantern Roof

Key Benefits

Why Choose Essex Bi-Fold?

Start My Quote

Recent Projects

Real projects, real results - crafted with precision and care

Questions? We’re Here to Help

Find answers about our services - or ask us anything you don’t see.

How energy efficient is the Korniche Roof Lantern?

Can I choose the size of my lantern?

Are the lanterns secure?

What colours are available?

Does the lantern come with lighting options?

Is installation difficult?

What glass options are available?

Can I see the lantern before ordering?