alitherm heritage windows and doors in black

Aluminium Steel Look Heritage Windows and Doors

Heritage Windows

Ideal for conservation areas or projects that are looking for truly authentic stand out window styling. The heritage range offers genuine heritage, steel-look styling. With PAS24:2016 enhanced security performance, and being able to achieve a U-value of 1.5 these are the perfect windows for your project.

Heritage Doors

Delivering superb heritage and steel-look style to any project, these doors offer typical sightlines of just 59mm for truly authentic steel-framed style.They are a perfect replacement for old Crittall or steel framed doors. The Heritage range also offers great security and energy efficiency with multi point locking and face mounted shootbolts, as well as being able to achieve a U-value of 1.5 with the correct glazing.

More reasons to choose our Aluminium Heritage Range.


  • Colour Options: Although Black and anthracite grey may be the more popular choice for this type of frame there is still a huge choice of standard or non-standard colours, including metallic, dual colour, Sensations textured, and Alchemy anodised effect finishes.
  • Guarantee: Our Aluminium Heritage Windows and Doors are supplied with a 10 year insurance backed guarantee.
  • Energy Efficient: Typical U Value 1.5 W/M2K (using correct glass unit)
  • Secure: Heritage Windows -PAS 24: 2016 compliant. Heritage Doors – Multi point locking and face mounted shootbolts
  • Sightlines: Slim sightlines, typically 59mm.
  • High Performing: Security tested, weather tested and operation and strength tested.
  • The perfect replacement for crittle or steel windows.
  • Authentic Hardware options in a range of colours.

Colours, Colours, Colours.

Smoothsash products are available in a choice of standard or non-standard colours, including metallic, dual colour, Sensations textured, and Alchemy anodised effect finishes.

Sensations Textured

Alchemy Anodised

Request your free, no obligation quotation below.


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