
Thinking about building a beautiful hardwood deck in your backyard? You are probably asking the big question first. How much will it cost? The hardwood deck installation cost can be anywhere between $320 and $600 per square metre.
This cost normally includes materials and labor, but it may vary depending on timber, deck sizes, etc. Hardwood timber decking is the preferred option because it is attractive, long-lasting, and performs well in adverse weather.
Before planning out your outdoor space, it is very important to learn what affects the prices of these decking options and how you can budget effectively.
This blog explains the timber decking cost and factors affecting the prices. Let’s dive deeper into it.
The average hardwood timber decking cost in Australia ranges from $320 and $600 per square metre installed. The final price depends on timber choice, deck height, and design details.
Let’s look at the cost of decking in more detail in the tables given below.
The type of hardwood you choose plays a major role in the total cost of decking per sqm. Premium hardwoods cost more but offer better durability and a richer finish. Here are the prices.
|
Timber Type |
Average Cost (AUD) |
Cost Unit |
|
Treated Pine |
$200–$350 |
per square metre installed |
|
Merbau |
$320 – $450 |
per square metre installed |
|
Spotted Gum |
$350–$500 |
per square metre installed |
|
Blackbutt |
$400–$550 |
per square metre installed |
|
Jarrah |
$450 – $600 |
per square metre installed |
Some property owners planning larger projects, such as offices or hospitality venues, may also explore commercial decking solutions for higher foot traffic durability.
Labor charges differ based on the hardwood decking complexity and access to the site. Detailed decks require more time and a skilled deck specialist. Let’s understand the prices.
|
Service Type |
Average Cost (AUD) |
Cost Unit |
|
Basic deck installation |
$150–$250 |
per square metre |
|
Elevated deck installation |
$200–$300 |
per square metre |
|
Custom design work |
$250–$350 |
per square metre |
|
Deck repairs or extensions |
$80–$150 |
per hour |
In certain modern designs, homeowners may even combine timber framing with aluminium decking components for structural support and a contemporary finish.
Extra features and modular decking can increase your total budget. These additions improve function and appearance but add to the overall cost.
|
Add-On Feature |
Average Cost (AUD) |
Cost Unit |
|
Stairs |
$300–$800 |
per set |
|
Railings or balustrades |
$150–$400 |
per metre |
|
Built-in seating |
$800–$2,000 |
per project |
|
Deck staining or sealing |
$20–$40 |
per square metre |
In Western Australia, many homeowners compare timber with modwood decking Perth options when looking for durable and low-maintenance outdoor solutions.
Also Read: How Long Does Treated Pine Decking Last?
Now that you know the average price range, let us look at what truly shapes your final bill. Several factors affect the cost of building a deck. These factors are mentioned below:
The type of decking materials you choose has a strong impact on cost. Usually, premium timbers are more expensive than treated pine. They last longer and resist pests and weather better. However, they also require careful installation.
Higher-grade timber usually has fewer knots and a smoother finish. That improves the final look but raises material costs. On the other hand, budget-friendly timber can reduce upfront expenses but may need more maintenance over time. Your choice should balance appearance, durability, and budget.
The size of your deck directly affects the total price. A small platform deck costs less than a large one. As the size increases, material and labor costs also increase. Design complexity also matters.
Simple rectangular decks are quicker to build. Curved edges, multiple levels, and built-in features require more planning and time. Elevated decks need strong support posts and framing, which adds to the expense. If your design includes stairs or custom railings, the labor cost rises further. Keeping the design simple can help manage your budget.
Site conditions play a major role in installation costs. A flat backyard with clear access is easier to work on. Sloped land requires extra preparation and structural support. If the ground needs leveling or soil treatment, the cost increases.
Limited access can also slow down the project. Underground services like pipes or cables may require careful planning. These site challenges affect both time and equipment needs. When the site is prepared properly and when you find trusted decking experts near you, you can reduce unexpected expenses in the long term.
Finishing touches add both beauty and protection to your deck. Staining, sealing, and oiling help protect hardwood from moisture and sun damage. These treatments come with extra costs.
Over time, hardwood decks need regular maintenance to keep their color and strength. If you plan to add lighting or built-in seating, this will also increase your initial investment. While these features improve comfort and style, they should be included in your budget planning.
Also Read: Timber vs Aluminum Pergolas: Which One’s Better for Aussie Homes?
The construction of a hardwood deck is a considerable investment. Finding the right professional for the task is crucial. By utilizing the services provided by Trusted Tradie Network, you will be able to locate qualified and verified decking specialists in Australia.
Each tradie is listed with details of the services they offer for decking Australia. This helps you choose a tradie best suited to your needs. The platform reduces the stress, and endless listings are avoided, as you can find reliable tradies quickly.
A proficient deck builder is well-equipped to provide effective framing, safe construction practices, and durability. With expert guidance, decking timber can become a strong and stylish extension of your home.
Also Read: Backyard Landscaping Ideas for Small Aussie Yards
A hardwood timber deck provides added value, luxury, and beauty to any home. However, the cost of installation depends on the type of material you choose, the size of the deck, and the condition of the site. Hardwood, although costly, lasts for a long period and resists harsh weather conditions.
While many homeowners prefer natural timber, others consider composite decking as a practical alternative because it requires less ongoing maintenance. It is wise to compare hardwood vs composite decking cost carefully before making a final choice.
With appropriate planning and professional deck building, your hardwood deck can become a long-lasting outdoor living space for relaxing and entertaining.
Hardwood decking in Australia usually costs between $320 and $600 per square metre installed. The final price depends on timber type, deck size, design features, and site conditions.
Yes, in most Australian states, decking contractors must be licensed for structural work. Licensing rules vary by state, so always check local regulations before hiring a builder.
Timber type, deck size, height, design complexity, and site access all affect the total cost. Premium hardwoods and custom features increase both material and labor expenses.
Yes, location can affect pricing. Labor rates, material supply, and transport costs vary between cities and regional areas, which can change the overall deck installation cost.
Get multiple detailed quotes from licensed professionals. Share clear plans, measurements, and site details. Ask what is included in materials, labor, and finishing to avoid surprise costs later.