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We supply affordable Double Glazed Windows & Double Glazed Doors to Perth, Kalgoorlie and from Broome to Esperance, & all the bits in between!
Modern, stylish and extremely low maintenance, uPVC Double Glazed Doors are an ideal option for Australian homeowners who want to add value and appeal to their property.
Modern, stylish and extremely low maintenance, uPVC Double Glazed Doors are an ideal option for Australian homeowners who want to add value and appeal to their property.

Double Glazed Windows Perth

We supply affordable Double Glazed Windows & Double Glazed Doors to Perth, Kalgoorlie and from Broome to Esperance, & all the bits in between! We also offer a full range of windows & door services like; replacement entry doors, replacement windows and bifold doors, including installation in Perth. Need help with sash window repairs in Perth & double glazed door renovation in Perth.

Replacing your old windows and doors with Double Glazed will give the best protection against the Australian sun and will keep the house cool in the hot summer and warm in chilly winter. 123 Double Glazing is Perth’s premier door and window Replacement Company offering a full measure, quote service locally supplied, and full installation for Perth. We offer a complete affordable and reliable solution.

Reducing the cost heating and cooling with Double Glazed Windows & Doors

Every home owner is looking for way of reducing the cost of heating and cooling their home. We offer up to 70% noise reduction and up to 50% heat reduction in summer and 59% heat retention in winter from our double glazed windows and with our thermal insulated and sturdy frames, this is best level of protection against the Australian sun. Talk to our sales Representative to demonstrate the technology and thermal qualities of our products.
Noise insulation is also an important feature. Double glazing significantly reduces ambient noise as well as intrusive sounds like traffic, airplanes or noisy neighbours.

Our team have over 40 years of experience and a great wealth of knowledge has been gained over these years about the glass/glazing and Perth double glazing industry. We understand how important it is to deliver a high standard of workmanship and customer satisfaction in our products and installation.

As WA’s Premier Double Glazing Company we always pride ourselves on HIGH QUALITY Workmanship along with traditional values. Our customers ALWAYS come first and if they are happy then so are we. Our double glazed windows and UPVC doors offer a fully extruded German UPVC system, Kommerling C70 Gold, which is available in White, Cream, Golden Oak and Anthracite Grey (Anotec Dark Grey). Our Aluminium system is extruded here in WA & is available in any powdercoat color.

Please be assured that our UPVC Double Glazing system does not come from any overseas source other than Germany.

A professional service is offered from your first phone call right through to installation, and all rubbish removed. All of our products come with a 10 YEAR GUARANTEE.

Our UPVC system can offer glare reduction and maximum security all year round.

123 Double Glazing service is a friendly quality service with traditional values and good honest prices. All our staff are here to help with any of your questions or queries that you may have.

Premium Double Glazed Windows & Doors

The Kommerling C70 Gold System recently passed the bushfire test AS1530.8.1: 2007 Sections 16 & 19. Test result; BAL:A-40. We also have a fly screen to fit most applications.

Call us now to take advantage of seasonal SENSATIONAL offers.


We guarantee to beat any like for like quote by up to 10%!!!!!!!
This is strictly for a limited time, so call now to avoid disappointment.

  • Efficient thermal insulation!
  • Increase value of your property
  • Reduction in noise levels
  • Enhance the general appearance of your property
  • Improve security
  • Maintenance free
  • And more…makes a difference to the environment.

For in-depth technical information, please view our product pages or contact our team directly.