Triple Glazed Windows

Our Ultra, ThermoWarme, and Evolution Triple Glazed Windows are the pinnacle of modern Triple Glazing technology.


Ultra Triple Glazed Window

Explore our entry level triple glazed window, The Ultra Window.


Thermowarme Triple Glazed Window

Explore our mid-range triple glazed window, The Thermowarme Window.


Evolution Triple Glazed Window

Explore our top of the range triple glazed window, the Evolution Window.

We pride ourselves in manufacturing and installing the very best triple glazed windows and doors available to the UK market. We use the industry’s renowned best profile systems along with the best performing glass in cold conditions. We also use the very best hardware components in our windows and doors.

We use the best components in our triple glazed sealed unit manufacture. We are also constantly looking for better more durable components that will further push the quality and energy efficiency of our windows and doors. Of course all this comes at a price, as we are a more quality orientated company. Our main aim is to make UK homes warmer and quieter with virtually no maintenance needed.

The handles, hinges and locks used by Sureglaze on our triple glazed windows are all Secured by Design (a Police preferred standard). Aditionally, all our triple glazed windows have the following profile, glass, and hardware specifications :


  • A Rated as standard in double glazing.
  • Double Glazing & Triple Glazing Profile
  • A+ Rated with triple glazing
  • Document L compliant
  • Security enhanced and approved to BS7950
  • 72mm outer (Optional 62mm and 52mm outer)
  • Decorative sculptured edge detail on all faces
  • Multi chamber profile ensures good thermal insulation
  • High performance weatherseal integrated in to profile
  • Internally beaded and glazed for security
  • Steel reinforced


  • A+ Rated with our profile
  • Dual argon gas filled
  • Dual energy saving spacer bar
  • Low E-coating glass (Planitherm Total Plus)
  • Swiss Warm Edge spacer bar


  • Easy clean hinges on all side openers
  • Restrictor hinges on all bottom openers
  • Multi point shootbolt locking system
  • Hinge protectors
  • Multi function handle