The lantern of choice at Andrews Glass is the Korniche aluminium roof lantern

The Korniche is a successful blend of contemporary, yet classic design with cutting-edge engineering concepts to create an astonishingly beautiful roof lantern, strongest and most thermally efficient in its class it is also incredibly quick and simple to install.

There is no comparison to the Korniche Roof Lantern in the market today. Offering exceptional clean aesthetics to the consumer and an installation speed and ease that provides an Installer the best of both worlds spending less time on site and able to get properties watertight in no time at all.



Glass roof lanterns are often the last piece of the jigsaw on flat roof extensions.

The Korniche roof lantern is engineered to ensure the installation is a quick and easy operation ensuring your home becomes secure and water tight in the minimum time possible.

The Korniche is delivered in kit form and leaves the factory with all components checked and quality controlled. Your builder or installer will have a comprehensive installation guide with all dedicated parts required for a speedy installation.

Revolutionary design for rafters and factory fitted cast aluminium bosses link spas and eaves beams with simple but strong one bolt fixings. Along with pre-fitted injection moulded silicone seals and Q-Lon gaskets the installer only needs to apply silicone sealant to the underside of the eaves beam to weather seal the unit to the upstand of your roof extension.

The 24mm double glazing units are fitted with the all in one glazing retainer in seconds, clip fit top and end caps ensures the whole glass roof lantern is complete in minutes and not hours.

The market leading Korniche Aluminium Glass Roof is the only lantern that requires no cutting, trimming or silicone sealant to build the roof on site.



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 in to 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


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



The thermal efficiency of our roof has been guaranteed by the elimination of cold bridging, achieved by isolating of the external profiles from the internal ones. Combined with high performance glazing, the Korniche’s ability to reduce heat transfer is in a class of it’s 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 re fully thermally broken to create an insulated barrier between the aluminium sections


Insulating T-bar
Our in-house designed high quality insulating T-bar bridges the gap between the profiles and the aluminium finishing caps to create the largest possible thermal break


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 either blue, aqua, bronze, tinted, neutral or clear and with U values ranging from 1.0 – 1.2



The slim elegant Korniche fits perfectly in any home by retaining traditional features in a contemporary setting



Slim sections – at only 57mm wide, the spas and ridge sections are amongst the slimmest on the market. Coupled with our sculpted bosses they provide a look usually associated with hand crafted timber constructed lanterns.


Traditional meets Modern
Narrow yet deep structural profiles and subtle ogee detailing along with lower edges a provide clean classic feel with modern high performance materials


Hidden Fixings
Fully concealed fixings ensure sight lines flow gracefully and uninterrupted throughout bringing unrivalled elegance and balance


Range of Colours
Our standard colours are Gloss White, Matt Grey and Matt Black. These can be chosen in any internal and external combination. We also supply your roof in any bespoke colour of your choice. Simply find out its RAL or BS code


Attention to Detail
Present throughout, from the engineered structure, the bespoke weather seals, the innovative glass locks all the way to the logo embossed end caps


The Finishing Touch
Every component used has been developed to work in harmony with the others and enhance the overarching design. Korniche is the best possible finish for your flat roof extension.

Lanterns Brochures

Want more information… Call 01279 725761 or email:

If you are in Essex, Hertfordshire or Suffolk call for more information.