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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.

New Windows
Turning down heating in energy efficient home

Thermal Performance

Energlaze casement windows offer high thermal performance. With its 5-chamber system our double glazed windows can offer U-values as low as 1.3 W/m2K (based on a 28mm unit). This means you will notice your home is warmer for longer and your energy bills will be considerably lower.

Also available in triple glazing, with lowest U-value of 0.8 W/m2K based on a 44mm unit.

Advanced Security As Standard

Enjoy peace of mind knowing that advanced safety and security features are added to all Energlaze windows as standard. Choose to protect the things you value. Our casement windows are internally beaded and come with shoot bolt and hinge claw locking.

Safety comes first. Our experienced team can ensure that the window aesthetics are maximised to suit your taste while maximising security and fire regulations.

Secure Windows
piggy bank on a radiator

Lower Energy Bills

The advanced thermal efficiency of our high-performance windows will make a big difference to your heating bills. Energlaze windows are up to 68% better than old windows at preventing valuable heat from escaping. This means you don’t need the heating on for as long, saving you a bundle.

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
happy little girl sheltered from bad weather

All Year Round Weather Protection

Due to the 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.

Fully Accredited, Quality Assured

All Energlaze windows are produced to the highest possible standards and profiles are extruded under a quality management system that conforms to BS EN 9001 and are kite marked to BS EN 12608.

New Windows
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