Heritage Aluminium Windows



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Slim, durable, secure steel replacement windows.

The look of steel, the benefits of aluminium. A win-win for designers and homeowners alike. Featuring industry leading build quality, our 58BW ST aluminium windows are an ideal replacement for existing steel windows. In addition to impressive high thermal and acoustic performance, the design also replicates the minimal sight lines associated with steel windows, whilst providing superior performance and security.

  • Certified under the secured by design scheme
  • Green guide rated A
  • Integrated deep head profiles
  • Unique polyamide thermal break design
  • 58mm or 70mm frame depth
  • Internally or externally glazed
  • Available in a range of single or dual colours


Aluminium Steel Window System Built to the Highest UK Standards

This effective and high performance steel effect aluminium window solution offers clean lines and advanced technology. With a range of customisation options, they are the perfect choice for both traditional and contemporary residential properties. Available in top hung, side hung, tilt before turn, fully reversible and steel replacement formats.

You can choose from a range of glazing and hardware options to create a unique solution that is bespoke to your project. The design replicates the narrow sightlines associated with steel windows whilst providing superior performance and security.

The ALUK 58BW Steel aluminium window offers an ideal solution for the replacement of old steel windows, with an ultra slim design that can complement the overall look of the property. Add to this high security solutions and advanced energy ratings, it’s an excellent choice for a range of purposes.

Each of these aluminium window designs has a range of outer frame, sash, mullion and transom profiles enabling a particular look to be achieved for your project needs. Whether you are looking to add new windows to residential buildings or commercial, we have the exact type of aesthetic you’re looking for.


Optio 58BW ST steel replacement