When it comes to enhancing the aesthetics and functionality of your outdoor space, decking is one of the most popular options in Australia. However, choosing the right type of decking involves more than just aesthetics—it also requires understanding the costs involved. One of the most sought-after options today is composite decking, which offers a blend of durability, low maintenance, and eco-friendliness. In this guide, we will explore everything you need to know about the cost of composite decking in Australia, including factors influencing the price, comparisons with traditional timber, and tips for maximizing value.
Table of Contents
What Is Composite Decking?
Composite decking is made from a mixture of recycled wood fibers and plastic, offering the look of natural timber without many of the associated maintenance challenges. Unlike traditional wood decking, composite boards resist rot, splintering, and insect damage, making them an ideal choice for Australia’s diverse climate.
Key Benefits of Composite Decking:
Low maintenance: No sanding, staining, or painting required.
Durability: Resistant to weather, termites, and decay.
Sustainability: Made from recycled materials, reducing environmental impact.
Aesthetic variety: Available in multiple colors, textures, and finishes.
These advantages make composite decking increasingly popular among Australian homeowners, but understanding the cost of decking in Australia is essential before making a decision.
Factors Influencing the Cost of Composite Decking in Australia
The composite decking cost in Australia depends on several key factors. Being aware of these can help you plan your budget effectively.
1. Material Quality
The quality of composite boards directly impacts the price. High-end composites often include UV-resistant coatings, advanced weatherproofing, and enhanced color retention, whereas budget options may fade more quickly and have shorter lifespans.
Price Range by Material Quality:
Budget composite decking: AUD 80 – 110 per square meter
Mid-range composite decking: AUD 110 – 160 per square meter
Premium composite decking: AUD 160 – 250 per square meter
Investing in higher-quality materials may cost more upfront but can save money over time due to lower maintenance requirements and longer durability.
2. Brand and Manufacturer
The choice of brand （such as Hosung）and manufacturer can significantly affect the composite decking cost in Australia. Well-established brands often come with a premium price due to their reputation, warranties, and quality assurances. Less-known or emerging brands may offer more affordable options, but there could be trade-offs in terms of durability, color retention, or finish quality.
When selecting a brand, it’s important to consider factors such as product longevity, warranty coverage, and available finishes, ensuring the decking aligns with both your budget and aesthetic preferences.
3. Size and Design Complexity
The total cost is also affected by the size of your deck and the complexity of the design. Features such as curves, multiple levels, built-in benches, or intricate railing systems increase the composite decking Australia price. Simple rectangular decks are more cost-effective, whereas custom designs can significantly raise the total expenditure.
4. Installation Costs
Even the best composite decking can be ruined by poor installation. Hiring professional installers ensures a high-quality finish and long-lasting durability, but it also adds to the overall cost.
Typical Installation Costs in Australia:
DIY installation: AUD 0 – 50 per square meter (materials only)
Professional installation: AUD 70 – 120 per square meter
Complex designs: AUD 120 – 180 per square meter
DIY installation may save money, but composite boards are heavy and require precise cutting and fixing, so professional installation is often recommended.
5. Location
Your location in Australia can also influence costs. Delivery charges, labor rates, and regional demand can vary significantly. For example, installing composite decking in remote areas may cost more due to higher transportation fees.
Composite Decking vs Timber Decking Cost in Australia
Many homeowners face the decision between composite decking and traditional timber. Understanding the price differences can help you choose wisely.
| Feature | Timber Decking | Composite Decking |
|---|---|---|
| Initial Cost (per m²) | AUD 70 – 150 | AUD 110 – 250 |
| Lifespan | 10 – 20 years | 25 – 30 years |
| Maintenance | High (staining, sanding) | Low (simple cleaning) |
| Weather Resistance | Moderate | High |
| Environmental Impact | Deforestation concerns | Recycled materials |
Although composite decking Australia price is higher upfront, it often proves more cost-effective in the long term due to lower maintenance and longer lifespan.
Additional Costs to Consider
When calculating the cost of decking in Australia, it is important to account for extra expenses beyond the boards and installation. Here are some additional factors to consider:
1. Substructure and Joists
Composite decking often requires a robust substructure made from treated timber or aluminum joists. Depending on the materials, this can add AUD 30 – 60 per square meter to the project.
2. Railing and Accessories
Railings, balustrades, steps, and lighting can enhance both safety and aesthetics but add extra costs. Prices vary widely depending on materials and design, ranging from AUD 50 to 150 per meter for railings.
3. Permits and Planning
Some Australian councils may require building permits for decking projects, especially if the deck is elevated. Permit fees can range from AUD 100 to 500, depending on location and deck size.
4. Ground Preparation and Landscaping
If the deck area requires leveling, soil stabilization, or removal of existing structures, additional ground preparation costs may apply. Landscaping adjustments, retaining walls, or drainage solutions can also increase the overall budget. These costs typically range from AUD 20 – 80 per square meter, depending on the complexity of the site.
5. Delivery and Transportation
The cost of delivering composite boards and materials to your property can vary depending on distance, accessibility, and freight requirements. Remote or regional locations in Australia may incur higher delivery charges, sometimes adding AUD 100 – 500 to the project.
6. Additional Hardware and Fixings
Composite decking often requires specialized fasteners, screws, clips, and edge trims. While some kits include basic fixings, premium or concealed fastening systems can add to the budget. Expect to pay AUD 10 – 30 per square meter for quality hardware to ensure a secure and aesthetically pleasing installation.
Cost Breakdown Examples
To provide a realistic understanding, here are sample cost breakdowns for different sizes and quality levels of composite decks:
Small Deck (15 m²) – Mid-range Quality
Composite boards: 15 × AUD 130 = AUD 1,950
Substructure & joists: 15 × AUD 45 = AUD 675
Installation: 15 × AUD 100 = AUD 1,500
Railings & accessories: 15 × AUD 50 = AUD 750
Total: AUD 4,875
Medium Deck (30 m²) – Premium Quality
Composite boards: 30 × AUD 200 = AUD 6,000
Substructure & joists: 30 × AUD 60 = AUD 1,800
Installation: 30 × AUD 120 = AUD 3,600
Railings & accessories: 30 × AUD 80 = AUD 2,400
Total: AUD 13,800
Large Deck (50 m²) – Budget Quality
Composite boards: 50 × AUD 90 = AUD 4,500
Substructure & joists: 50 × AUD 30 = AUD 1,500
Installation: 50 × AUD 70 = AUD 3,500
Railings & accessories: 50 × AUD 50 = AUD 2,500
Total: AUD 11,500
These examples show how size, material quality, and additional features significantly influence the composite decking cost in Australia.
Cost-Saving Tips for Composite Decking in Australia
Even though composite decking can be pricey, there are strategies to manage costs without compromising quality:
Compare Suppliers – Obtain quotes from multiple suppliers to find the best price for your chosen composite boards.
Simplify the Design – Opt for rectangular or square decks rather than complex shapes.
Consider DIY – If you have the skills, installing the deck yourself can save significant labor costs.
Buy in Bulk – Larger orders may qualify for discounts.
Seasonal Sales – Some suppliers offer discounts during off-peak seasons or special promotions.
Maintenance and Long-Term Costs
One of the key advantages of composite decking is its low maintenance requirement. Unlike timber, composite boards do not need annual staining or sealing. Basic cleaning with soap and water is usually sufficient to keep the deck looking new.
Estimated Annual Maintenance Costs:
Timber decking: AUD 100 – 300 (staining, sanding, repairs)
Composite decking: AUD 20 – 50 (cleaning)
Over 10 years, a composite deck can save thousands of dollars in maintenance costs compared to timber, further justifying the higher initial investment.
Conclusion: Is Composite Decking Worth the Cost?
The cost of composite decking in Australia may initially seem higher than timber, but its durability, low maintenance, and environmental benefits make it a wise long-term investment. Whether you are building a small balcony deck or a large outdoor entertaining area, composite decking provides excellent value and enhances the aesthetic appeal of your property.
By considering material quality, brand, design complexity, installation, and additional features, you can plan a decking project that fits both your budget and lifestyle. With careful planning and informed decisions, your composite deck can provide decades of beauty and functionality.
If you are looking for an outdoor solution that combines style, longevity, and minimal upkeep, exploring composite decking cost Australia and comparing options today is the first step toward a stunning, durable deck.
