Double Glazed Windows – Custom Made for Your Melbourne Home
Transform your windows and enjoy the outstanding benefits of Double Glazed Windows today!
Upgrade your Melbourne home with high-performance double glazed windows, custom made to suit your lifestyle. At Astellite, we design, manufacture, and install windows that provide superior insulation, security, noise reduction, and long-term value.

Transform Your Home with Melbourne’s Double Glazing Experts
- ✔ Custom Made in Melbourne
- ✔ 10-Year Warranty
- ✔ German-Engineered Aluplast uPVC
- ✔ Free Quote
Discover Our Range!
Discover the difference our windows can make in your home and explore the #1 widest range in Melbourne.

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.

Why Astellite?
At Astellite, we specialise in premium, custom made double glazed windows right here in Melbourne. 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:










All finishes are UV-resistant, colourfast and durable to maintain their look for years.
How uPVC Compares to Aluminium and Timber Frames!
Benefit | Aluminium | Timber | uPVC (Astellite) |
---|---|---|---|
Energy Efficiency | ❌ | ✔ | ✔ |
Low Maintenance | ✔ | ❌ | ✔ |
Sound Reduction | ❌ | ❌ | ✔ |
Colour-Fast | ✔ | ❌ | ✔ |
UV Resistance | ❌ | ❌ | ✔ |
Bushfire Resistance | ✔ | ❌ | ✔ |
Affordability | ✔ | ❌ | ✔ |
Mould Resistance | ❌ | ✔ | ✔ |
High Security | ❌ | ✔ | ✔ |
What Our Clients Are Saying!
★★★★★
Frequently Asked Questions
What are double glazed windows?
Double glazed windows use two panes of glass separated by a sealed air gap to improve insulation, reduce noise, and increase energy efficiency.
Are uPVC double glazed windows good for Melbourne’s climate?
Yes, they’re ideal for Melbourne’s temperature shifts, providing superior thermal insulation and long-lasting performance.
How much can I save on energy bills?
Many homeowners experience significant savings due to reduced heating and cooling needs year-round.
How long do uPVC windows last?
Our German-engineered uPVC windows are built to last for decades with minimal maintenance.
Do you offer a free quote?
Absolutely, simply contact us to arrange a free quote and expert advice at your convenience.
Get In Touch Today!
✔ Call now for your complimentary Free Quote
