Flush Casement Windows from Evolution

Evolution is proud to introduce the latest development in window technology


Flush casement windows are characterised by openers that close into the frame and finish flush with the face of the window.

No expensive maintenance, no laborious sanding and painting, this highly energy-efficient new window comes with an A rating as standard, not as an added extra, and the excellent security features means your home is always safe, warm and secure.

Features at a glance

  • New profile aesthetics inspired by traditional timber styling
  • Exceptional energy performance
  • Slimmest window available with greater glazed area
  • Beautiful timber styling throughout with hand-crafted joints

Call 0845 603 2511 for Further Details.


  • 82mm System
  • Internally glazed
  • Fully integrated Dual Weather seals
  • Galvanised steel reinforcing built in where necessary
  • A range of projecting cills available
  • Timber style mechanical transoms & mullion joints


  • Low E float glass sealed units comprising of a 20mm air gap all manufactured to kite mark standard BS5713 Fire Exit / Easy clean hinge
  • Toughened glass to BS6262 class Av

    Glass Options

  • Various patterned glass for varying degrees of obscurity
  • Laminated glass
  • Square and diamond leaded glass available
  • Hand-crafted Georgian bars and stained glass designs are also available
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