Double Glazed Windows Geelong

Reduce Noise & Save on Energy Bills With Our Premium Double Glazed Windows!


Upgrade your Geelong home and enjoy year-round comfort. Our high-performance, German-engineered double glazed uPVC windows help lower energy bills, reduce outside noise, and boost home security, all custom made to suit your lifestyle

  • ✔ Service You Can Trust
  • ✔ Positive Google Reviews
  • ✔ 10-Year Warranty
  • ✔ Custom Made in Melbourne
  • ✔ German-Engineered Aluplast uPVC Frames
  • ✔ Free Quote
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At Astellite, we design, manufacture, and install premium German engineered upvc double glazed windows and doors throughout Geelong.

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Discover Our Range!


Experience the Astellite difference with Geelong’s most extensive range of double glazed windows, designed to enhance comfort, style, and energy efficiency in your home.

Accreditations & Partners


We’re accredited by AGWA and WERS and use premium components from Australian Glass Group, Viridian and aluplast.

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7 Star Energy Rating
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Double Glazing

Why Choose Double Glazed Windows?


Double glazing is one of the smartest investments you can make for your home. With two panes of glass separated by an insulating air gap, double glazed windows deliver:

  • Year-Round Comfort: Cool in summer and warm in winter.
  • Energy Efficiency: Lower heating and cooling cost.
  • Noise Reduction: Enjoy a quieter indoor environment.
  • UV Protection: Minimise fading of furniture and flooring.
  • Enhanced Security: Multi-point locking for added protection.
  • Low Maintenance: Easy to clean and built to last.
  • Increased Property Value: Boost curb appeal and resale value.
Double Glazed Windows Melbourne
Installing windows

Why Astellite?

At Astellite, we specialise in premium, custom made double glazed windows and doors using aluplast uPVC frames. Our team handles everything from design to installation, ensuring the perfect fit and finish for every home.

  • 🔧 Manufactured in Melbourne using expert craftsmanship
  • 🔒 Advanced multi-point locking systems
  • 🇩🇪 German-engineered aluplast uPVC profiles
  • 🌿 Environmentally friendly & recyclable materials
  • 🎯 Over 250 completed installations across Melbourne

Colour & Finish Options


Match your windows perfectly to your home’s style with our wide range of finishes:

Upvc Colour 01
Turner Oat Toffee
Upvc Colour 03
Turner Oak Malt
Upvc Colour 02
Sheffield Oak Concrete
Upvc Colour 05
Window Grey
Upvc Colour 04
Tropical White
Upvc Colour 07
Jet Black
Upvc Colour 06
Anthracite Grey
Upvc Colour 08
Aldudec DB703
Upvc Colour 09
Basalt Grey
Upvc Colour 10 1
Umbra Grey

All finishes are UV-resistant, colourfast and durable to maintain their look for years.

How uPVC Compares to Aluminium and Timber Frames!

What Our Clients Are Saying!


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"After research and consideration it was clear to us that Astellite were market leaders in the field of double glazed uPVC windows and doors. We would have no hesitation in recommending Astellite and would suggest that if you’re considering double glazed windows and doors do yourself a favour and contact their team."

- Dean and Vicki
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"The replacement of our existing windows with the Astellite double glazed windows have transformed our house both aesthetically and environmentally. The German engineering and locking systems are first class. They keep out noise, heat and the cold and look fantastic."

- John Eric Boomsma
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"Visiting the showroom and talking with Rudi and Sylvia gave us the confidence to go ahead with replacing 28 year old double glazed windows & sliding doors in our living room in harsh beach side conditions. Mario and staff installed the windows & doors efficiently, cleaning up after the job. Thank you for a reliable quality service. "

- Thomson Anneke
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"Just replaced all our old windows with Astellite and I couldn’t be happier! The windows look amazing (double glazed uPVC windows, two coloured frames - black from the outside, white from the inside), plus the energy efficiency was evident from day one. The installation process was seamless and top notch professional. Thank you Astellite team!"

- Justyna Zylka

Frequently Asked Questions

Are uPVC double glazed windows a good choice for Geelong’s climate?

Yes. Geelong’s coastal and inland mix of weather benefits greatly from double-glazed uPVC windows. They help stabilise indoor temperatures and resist salt corrosion common in coastal air.

How much can I save on energy bills in Geelong?

Many Geelong homeowners report lower heating costs in winter and reduced cooling needs in summer, especially in newer homes or retrofits in older weatherboard homes.

Do you service all Geelong suburbs?

We proudly install across Greater Geelong, including Belmont, Highton, Newtown, Grovedale, Lara, and surrounding areas.

How long do your windows last?

Our German-engineered uPVC windows are designed to last 30–40 years with minimal upkeep, ideal for both coastal and inland Geelong properties.

Do you offer a free quote?

Absolutely, simply contact us to arrange a free quote and expert advice at your convenience.

Get Your Free Quote Today!

Astellite