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uPVC Casement Windows

Comfort, security and maintenance matters. So does taking good care of your money and the planet. That’s why the right choice is a high-performing, uPVC flush casement windows – featuring Low-E-Plus heat-retaining glass.

The Energlaze flush casement windows mimic the traditional appearance of period properties, whilst offering superb energy efficiency and lower heating bills.

Flush Casement Windows

Flush Casement Windows - Before and After Pictures

Flush Casement Windows


  • U-value as low as 1.4 W/m2K
  • Selected hardware for authentic appearance and security
  • Mechanical jointing of sashes and deep bottom rails
  • Suitable for conservation, heritage and modern buildings
  • Standard co-extruded gasket

Thermal Performance

Bypassing their timber alternatives, our flush sash windows are created using our market-leading uPVC profile. This means that they can achieve an A+ standard of thermal efficiency.

Secure Windows

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.

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

  • White
  • White Foil
  • Golden Oak
  • Rosewood
  • Chartwell Green

  • Black
  • Cream
  • Cream Foil
  • Grey
  • Irish Oak