Genesis Collection Timber Alternative Flush Casement Windows & Doors

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Introducing The Genesis Collection – Luxury uPVC Windows

C N Glass are installers of high-quality Genesis aluminium and uPVC doors and windows. This premium product takes the industry’s best materials combined with precision manufacturing techniques to create the ultimate windows and doors.

A diverse range of products which come in a wide variety of finishes makes this the perfect product for many different types of projects be it commercial or residential.


C N Glass have partnered with Bison Frames to supply and install the Genesis Flush traditional casement window.

Known as an alternative to timber the Genesis Flush range of windows combines all the beauty and elegance of traditional timber windows with all the maintenance free benefits of low-maintenance PVC-U.

Windows are a key feature that can completely change the overall appearance of a property and this window will look super on both traditional and contemporary properties and is now the popular choice for replacement windows.

The timber style mechanical flush sash to the external face and heritage woodgrain appearance all add up to make a truly authentic window suitable to meet all the requirements of conservation areas.

The Genesis Traditional Flush Casement Window and matching Flush Residential and French Doors

are constructed to the highest standards and offers exceptional thermal efficiency coupled with high performance security to PAS 24 standards. There are two frame styles available known as Mechanical butt joints where traditional jointing makes an authentic alternative to the more expensive real timber windows and doors of an older characterful property and the precision welded mitred corners styled to suit to a modern, younger looking building.

The Genesis Heritage Frame Joint

The Genesis Seamless Welded Joint

There is a huge range of 30 woodgrain colours to choose from with the option to have the internal face in a smooth white or Heritage white finish.


The wide range of hardware options including traditional peg stays and curly monkey tail handles as well as modern styling on several metal finishes will complete the desired appearance.

The Genesis Flush range of windows and doors combine classic good looks with the latest technology and manufacturing techniques to provide outstanding performance by having all the benefits of modern UPVC windows and doors with the beauty and elegance of traditional timber frames.
These windows and doors make a stunning addition to both traditional and contemporary buildings, transforming period style homes, pretty country cottages and modern townhouses that are maintenance-free, provide enhanced security and impressive A rated thermal efficiency.

Features of the Genesis Flush Casement Window

  • Enhanced PAS 24 security
  • Sleek slimline frames
  • Traditional butt or mitred joint
  • Available in a range of 30 colours in woodgrain finishes
  • Traditional ironmongery Including traditional peg stays and monkey tail handles.
  • Georgian and Astrical Bar Options
  • Double or triple glazing options

Flush Casement French Doors and Side panels in a modern contemporary style home