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Heritage Windows from WindowWorx

The Alitherm Heritage 47 windows are the perfect choice when you’re looking to install a modern like for like replacement for your existing traditional windows. The system has already had approval from many local authorities across England.

The window systems are available in a large number of configurations including fixed, side & top hung, casement, pivot and tilt and turn, meaning you can completely customise your windows to suit your property.

Advanced Thermal Performance of Alitherm Heritage Windows

  • Can achieve U-values as low as 1.5W/m2k
  • Features polyamide thermal break technology
  • Can achieve an energy rating of A
  • Gasket glazed for a sealed unit that provides maximum efficiency
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Attractive Aesthetics

The Alitherm Heritage window is an attractive addition to any property, regardless of style or age. This premium window has been installed in properties ranging from period restorations to Art Deco projects. Decide on the perfect long-lasting powder coated colour for your property, including dual colour applications.

Our Heritage windows also boast a large collection of hardware options in a variety of styles and colours. We’re able to provide hardware in colours that perfectly match the rest of your window frames as well as a traditional anodised selection including bronze and silver.

Ultra Secure Alitherm Heritage Windows

  • Only ever manufactured using high grade aluminum
  • Casement and fixed Heritage windows achieve PAS24:2016 certification
  • Fully weather tested to British standards
  • Achieves the British Standard Kitemark 81543 & 81580
  • Featuring multi-point locking systems
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