How Much Is a New Aluminium Window? — The Complete Cost Guide for Australian Homes

Introduction: The Cost of Comfort and Style

When planning a home renovation or extension, one of the first questions homeowners ask is:
“How much is a new aluminium window?”

It’s a great question — and one that doesn’t have a single answer. Aluminium windows can range from a few hundred to several thousand dollars depending on size, style, glazing type, and energy efficiency.

In this comprehensive guide, we’ll break down exactly what you’re paying for, how to estimate costs for your project, and why choosing the right supplier — like EZ Windows Melbourne — can save you both time and money.

1. The Average Cost of a New Aluminium Window in Australia

Aluminium window prices vary across Australia, but as of 2025, here’s a general overview:

Window Type Average Supply Cost (AUD) Installed Cost (AUD)
Fixed Aluminium Window $350–$650 $600–$950
Sliding Aluminium Window $400–$900 $650–$1,100
Awning Aluminium Window $450–$1,000 $700–$1,250
Casement Aluminium Window $500–$1,200 $800–$1,500
Double Glazed Aluminium Window $800–$1,800 $1,200–$2,300
Custom Architectural Aluminium Window $1,500+ $2,000+

These prices include premium powder-coated finishes and energy-efficient glass options.

At EZ Windows, all windows are custom-made to your exact measurements and can be quoted online in under three minutes — with full transparency and no hidden costs.

2. What Determines the Cost of a New Aluminium Window?

Several factors influence price. Understanding these will help you budget more accurately.

2.1 Window Size

Larger windows use more aluminium and glass, increasing cost.
For example, a 600mm x 900mm fixed window may cost around $400, while a 2100mm x 1800mm sliding window could exceed $1,200.

2.2 Window Type

Each style has unique hardware, frame complexity, and installation requirements:

  • Fixed: simplest, least expensive

  • Sliding: moderate cost, easy to use

  • Awning/Casement: higher cost due to hinges and mechanisms

  • Stacking or bi-fold systems: premium cost for multiple panels

2.3 Glazing Type

Single-glazed windows are cheapest, but double glazing or Low-E glass dramatically improves energy efficiency — and increases cost by 20–40%.
However, this cost is offset by lower energy bills and improved comfort.

2.4 Frame Finish

Powder coating adds $50–$150 per window, but provides superior durability and endless colour choice.

2.5 Thermal Break Technology

Thermally broken aluminium frames cost around 30% more, but significantly reduce heat transfer — essential for Melbourne’s variable climate.

2.6 Installation Complexity

Replacing existing windows requires removal, disposal, and potential wall modification — typically adding $200–$400 per opening.

3. Comparing Aluminium Window Prices to Other Materials

Material Average Installed Cost (per m²) Lifespan Maintenance
Aluminium $650–$1,200 40–50 years Minimal
Timber $700–$1,400 20–30 years Regular repainting
uPVC $500–$900 20–25 years Moderate
Steel $1,200+ 50+ years High

While aluminium isn’t the cheapest upfront, its low maintenance and long lifespan make it the best long-term investment for most Australian homes.

4. How Much Do Different Aluminium Window Styles Cost?

4.1 Fixed Aluminium Windows

  • Cost: $350–$950 installed

  • Best for: Natural light, modern facades

  • Advantages: Cheapest option, sleek and secure

  • Note: No ventilation (non-operable)

4.2 Sliding Aluminium Windows

  • Cost: $600–$1,100 installed

  • Best for: Bedrooms, living rooms, coastal homes

  • Advantages: Easy operation, space-saving, great airflow

4.3 Awning Aluminium Windows

  • Cost: $700–$1,250 installed

  • Advantages: Open outward, perfect for ventilation even during rain

  • Consider: Slightly more complex hardware

4.4 Casement Aluminium Windows

  • Cost: $800–$1,500 installed

  • Advantages: Great airflow and insulation, ideal for modern homes

  • Consider: Hinges may need occasional adjustment

4.5 Double Glazed Aluminium Windows

  • Cost: $1,200–$2,300 installed

  • Advantages: Noise reduction, energy efficiency, comfort

  • Perfect for: Urban and high-performance homes

4.6 Custom Architectural Aluminium Windows

  • Cost: $2,000–$5,000+ installed

  • Advantages: Designed to your exact vision and specifications

  • Used in: Luxury builds, renovations, commercial projects

5. How Location Impacts Aluminium Window Costs

Labour costs and energy regulations differ across Australia:

City Average Installation Cost per Window
Melbourne $250–$400
Sydney $300–$450
Brisbane $250–$350
Perth $220–$350
Adelaide $200–$300

In Melbourne, where insulation standards are high, most homeowners choose thermally broken aluminium windows to meet energy ratings — adding value and efficiency.

6. Energy Efficiency and the Long-Term Payoff

It’s tempting to choose the cheapest window, but investing in energy-efficient aluminium designs pays off in comfort and savings.

Benefits include:

  • 30% reduction in energy bills

  • Consistent indoor temperatures

  • Increased property value

  • Quieter living spaces

Over 10 years, the average Melbourne homeowner can save $3,000–$5,000 in heating and cooling costs with efficient aluminium windows.

7. Can I Install Aluminium Windows Myself?

Technically, yes — but it’s not recommended unless you’re a licensed builder or installer.

Why professional installation matters:

  • Ensures airtight sealing

  • Prevents water ingress and heat loss

  • Maintains warranty

  • Guarantees compliance with Australian Standards

At EZ Windows, our expert installers complete most home replacements within one day. Fast, clean, and fully compliant — so you don’t have to lift a finger.

8. Hidden Costs to Consider

When budgeting for new aluminium windows, consider these often-overlooked expenses:

  • Removal of old frames: $100–$200 per unit

  • Structural changes (brick or timber walls): $250–$600 per window

  • Custom powder coating: $100+

  • Double glazing upgrades: $200–$400 per square metre

  • Delivery and site handling: $50–$150

EZ Windows provides transparent, itemised quotes — no hidden surprises.

9. What Makes Aluminium Windows Worth the Cost

While aluminium can seem more expensive upfront, here’s why most Melbourne homeowners choose it:

Feature Benefit
Strength Allows larger glass spans with minimal framing
Durability Withstands decades of harsh weather
Maintenance Never needs repainting
Design Slim, modern aesthetic
Sustainability 100% recyclable
Value Adds sophistication and resale appeal

In short — you pay for performance, not problems.

10. The Cost of Double Glazing and Thermal Breaks

Double glazing typically adds $300–$600 per window, depending on size.

Thermally broken aluminium adds another 20–30%, but combined, they can cut heat loss by up to 60% and noise by 70%.

For Melbourne homes exposed to fluctuating temperatures, these upgrades are worth every dollar.

11. Real-Life Example — The Cost of a Complete Home Upgrade

Let’s examine a real scenario.

Project: 4-bedroom home renovation in Melbourne’s eastern suburbs
Total windows replaced: 12
Window types: mixture of sliding, awning, and fixed
Average size: 1800mm x 1200mm
Glazing: double-glazed, thermally broken aluminium
Finish: Monument Matt (powder-coated)
Installation: professional (EZ Windows team)

Total cost: $17,800
Energy savings: ~25% reduction in power bills
Resale value increase: estimated +$30,000

That’s not an expense — it’s an investment in performance, comfort, and value.

12. Why Aluminium Outperforms uPVC in Australia

Factor Aluminium uPVC
Heat resistance Excellent Can warp under UV
Structural strength High Moderate
Recyclability 100% recyclable Limited
Longevity 40–50 years 20–25 years
Aesthetics Sleek, modern Bulky frames

While uPVC wins on initial cost, aluminium wins on longevity, style, and value — especially in the harsh Australian sun.

13. Tips for Reducing Aluminium Window Costs

  1. Buy Direct from Supplier:
    Avoid retail markups. EZ Windows sells direct to homeowners.

  2. Standardise Sizes Where Possible:
    Custom shapes add cost; use standard openings when you can.

  3. Bundle Windows and Doors:
    Combining multiple products reduces delivery and labour costs.

  4. Compare Glazing Options:
    Choose energy-efficient glass tailored to your climate zone.

  5. Request a Free Online Quote:
    EZ Windows’ instant quoting tool helps you budget accurately in minutes.

14. Aluminium Window Lifespan and ROI

An aluminium window can last 40–50 years — more than twice the lifespan of most alternatives.
Over decades, this durability turns initial cost into long-term savings.

Even after decades, aluminium frames can be refinished, re-glazed, or recycled, maintaining value far beyond their installation date.

15. Final Thoughts — Value Beyond the Price Tag

When asking “How much is a new aluminium window?”, remember the real value lies not in the price tag, but in what you gain:

  • A comfortable, energy-efficient home

  • Modern aesthetics that last decades

  • Reduced maintenance and long-term costs

  • Higher resale potential

While prices vary, the peace of mind and performance aluminium windows deliver are priceless.

EZ Windows — Melbourne’s Trusted Aluminium Window Experts

At EZ Windows, we make the process simple:

  • Instant online quotes

  • Fast turnaround

  • Expert installation

  • Lifetime quality assurance

Design, quote, and order your custom aluminium windows today at
👉 ezwindows.com.au


More Information — Do It Easy @ EZ Windows