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uPVC Casement Windows

Energlaze high-performance casement windows offer market leading thermal efficiency as well as the latest high-security features.

All our new uPVC casement windows feature revolutionary new Low-E-Plus™ heat-retaining double-glazing as standard.

New Windows
upvc casement


  • U-values as low as 1.2 W/m2K.
  • Co-extruded gaskets for long-term weather protection
  • Single-leg knock-in beads
  • Full steel reinforcing
  • Wide range of colours
  • Casement windows feature advanced non-standard locks

Safe and Secure

Homeowners want to feel safe and secure in their homes. They want to know that the windows, doors and conservatories they choose will help to protect the things they value. Our casement windows are internally beaded and come with shoot bolt and hinge claw locking.

Secure Windows
upvc casement profile

Thermal Performance

Energlaze casement windows offer high thermal performance. With it’s 5 chamber system our windows can offer U-values as low as 1.2W/m2K. This means you will notice your home is warmer for longer and your energy bills will be considerably lower.

Good For The Environment

Due to the market-leading thermal performance of new Energlaze casement windows, you will notice a significant reduction in your heating bills — which means a greener, healthier home and a reduced carbon footprint.

Good for the environment
Colour Options

Colour Options

  • White
  • White Foil
  • Classic Oak
  • Rosewood
  • Mahogany
  • Black
  • Cream
  • Anthracite Grey

  • Slate Grey
  • Light Grey
  • Agate Grey
  • Red
  • Dark Green
  • Blue (Navy)
  • Chartwell Green
  • Irish Oak