How Much Does Timber Decking Cost?

 How Much Does Decking Cost?

Timber decking is a go-to choice for Australians looking to improve the look of their backyard. Constructing a deck is a great way to create an enjoyable outdoor space for your family to enjoy. They can be used on both internal and external regions of balconies and verandas. They are also used for wooden footpaths, ramps, landings, pools, spas and gardens. As the timber is treated it is suitable for dry or wet areas. When integrated with features such as seats, plants and outdoor lighting, the area has portrays a beautiful aesthetic appeal. This cost guide will look at the average price ranges for timber decking in Australia.

Benefits of Timber Decking

Timber decking has proven to be popular as it is easy and practical to use and does not require a lot of maintenance. The climate of Brisbane is ideal for timber decking.

How Much Does Timber Decking Cost

1. Cost effective

There is a range of timbers and other materials to choose from when it comes decking. This means that there is something to suit everyone’s budget. You can go for hardwoods or softwoods depending on your budget and requirements. Keep in mind that cheaper does not always translate to lower quality.

2. Long lasting

Decking can last for a long time with minimal maintenance. All you need to do is sand the timber once of twice every 5 years. This will keep the decking looking as good as new. However, you can simply leave your deck to age gracefully if you are into the weathered look. Due to the wide range of wooden materials it is important to take into consideration things like timber type, finish, color and your lifestyle. Your location is also important as different weather conditions have different effects on timbers.

3. Environmentally friendly

You can purchase this decking guilt-free because the hardwoods used are 100 percent biodegradable. This means that the material is organic and can be easily reused or recycled.

4. Variety

Decking is available in a variety of patterns shapes and sizes no to mention varying shades and hues to compliment other items in your veranda or garden.

5. Strong and Durable

Timber is extremely durable and can withstand heavy loads and environmental changes. This makes it perfect for indoors or outdoors.

6. Aesthetically Pleasing

Decking can look truly beautiful especially as it ages. Wood possesses a rustic look that is hard to match.

Timber Decking Costs

Deck Costs

Hardwood timber is generally stronger and lasts longer with minimal care than softwood timber. This tends to increase its cost. It is naturally resistant to pest damage while still being treatable to increase its lifespan. Softwood needs to be treated to prevent rotting and protect it against pests such as termites.

Timber decks cost approximately $100-$450 or more per sqaure metre depending on factors such as type, availability, aesthetic value, and location. However, treated pine is the least expensive of them all. Composite decks cost between $50 – $150 per square metre, depending on texture, strength, and weight among others. Modular systems are probably the cheapest option and can cost $80 – $180 per square metre.

Treated pine

This is the cheapest option. When choosing treated pine looks for decent quality timber The “H” rating means it is suitable for outdoors.

  • Treated pine decking $100 – $200 per square metre.


Merbau is an extremely durable tannin rich hardwood. Its consistent yellow-brown color makes it easy to work with in terms on cutting and fastening. It is perfect for screening, decking and fencing needs. It requires oiling and staining to maintain color. Sourced from South East Asia.

  • Merbau hardwood decking $150 – $250 per square metre.


A popular choices for Australians available in various hues. It is also very durrable and fire-resistant.

  • Jarrah decks cost $350 – $450 per square metre.


A strong timber native to Australia. Requires sealing to repvent cracking.

  • Blackbutt hardwood decking $300 – $400 per square metre.


Hardwood timber that is extremely dense. Very durable for decking due to it’s strength.

  • Ironbark hardwood decking $300 – $450 per square metre.

Spotted Gum

Also fire resistant, durable and suitable for outdoors.

  • Spotted Gum hardwood decking $300 – $400 per square metre.

To include roofing,  stairs and rails expect to pay $700+ per square metre. Elevated cyclone rated decking costs $800+ per square metre and will require council approval.
$1000+ for elevated cyclone rated decking

Timber Alternatives

There are some alternatives to timber including composite and modular decking. Prices for these are below.

  • Composite decks cost about $80 – $180 per square metre.
  • Modular decking $50 – $150 per square metre.

Things that will affect cost of your deck.

  • The type of timber you choose
  • The size in square metress
  • Materials and accessories – Bearers and joists, posts, nuts and bolts
  • Optional extras liek railings, stairs, balustrades and roofs
  • How and where the deck is to bo built. Things that affect costs include ground contiions, soil and whether you want to deck elevated.
  • Council building permits

Getting Accurate Quotes

Always get atleast 3 quotes so you canc compare prices before making a decision.


Not only are decks visually appealing, but timber has practical advantages over concrete or tiles. While steel, concrete and plastics have their advantages as construction materials, they simply can’t deliver the kind of experience that timber does.

This article was published by Justin Brownless from Pro Decks Brisbane

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