outside view on flat roof cornice lantern roof

Korniche Lantern Roof

Designed as a slimmer, better and easy-to-fit roof, the Korniche lantern roof delivers on quality, style and specifications all at a trade-friendly price. Its superior styling enhances any residential or commercial property product and perfectly complements our range of folding sliding doors for extensions. Sizes up to 6m long and 4m wide, with a fixed 25-degree pitch and providing the largest glass panes with minimal roof bars.

white korniche lantern roof with sky views
  • Faster installation and glazing than other roof systems
  • Seamless slimmer design with no visible fixings
  • Superior strength, larger glass sizes and no additional rafters
  • Deep thermal break and insulated glass reduces heat transfer
  • White, grey and black RAL colours from stock
  • U-Values down to 1.0Wm2K depending on glass specification

Our ultra-modern Korniche lantern roof comes made to order, making it suitable for all types of property renovation projects and especially new extensions. Its aesthetics appeal to the residential glazed roof market, and its technology has the installer in mind. No cutting, trimming or silicone sealing of the roof product is required during assembly.

The highly engineered Korniche Lantern roof, supplied by C&A Window systems is designed as a more trade-friendly solution to more complex lantern roof systems.  Fast and simple installation yet providing  the aesthetics and slim sightlines, residential projects demand.

security first

Our aluminium door and window systems come with the latest security testing and certification, including PAS24, Document Q and registered with Secured by Design.

any colour – fast lead times.

Don’t let non-standard colours inhibit the creativity of the projects you’re working on.

Most of our products are available in any RAL Colour and orders can be completed in as little as 10 working day.

Contact us for full details and exclusions.

Meeting Building Regulations

Our products meet the new requirements and changes to Part L of the Building Regulations 2022, for new build, existing dwellings and commercial buildings.

steve arundellsteve arundell
08:54 07 Apr 22
Chris and Andy listen to what we wanted and their team then delivered in spades.Great company well worth the effort to contact.
Gary WoodhatchGary Woodhatch
11:11 11 Mar 22
Have been dealing with Andy and Kim in the main at C&A windows for a few months now and the service overall has been great, quick quotes, lead-times inline with expectations and well presented and packaged goods. Great responsive aftersales assistance when called upon. Would recommend C&A for sure.
richard newellrichard newell
07:44 11 Mar 22
Always a pleasure to work with the people at c and a, very good communication throughout the process and most importantly the product is excellent.Highly recommended.
Tony KeebleTony Keeble
12:11 10 Mar 22
Great company to work with, very helpful when there is a problem to deal with.
Danny NevillDanny Nevill
16:28 12 Apr 19
Fantastic products. High quality services. Very professional and reliable outfit

Contact us


Send us an email

Simply send us an email if you have any questions.


Call us

If you have any questions, just call us and a member of our sales team will help you.

01787 477976

Visit us

Opening times are
8am – 5pm Monday – Friday

Unit 1, Lancaster Way
Earls Colne Business Park, Earls Colne, Colchester CO6 2NS

We are looking for new staff to join our team.