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Blog
Home > Blog > How To Build A Deck in Australia
05Aug
  • By EVODEK
  • Wed, Aug 5, 2026
  • 7151 Views

How To Build A Deck in Australia

Every homeowner in Australia knows they need a deck in their yard. Not only does a deck make your outdoor space more interesting and provide you with a place to relax and entertain, but it also makes your yard more functional. There is no doubt that a deck is a great investment that will allow you to maximize the use of your home.

Now that you’ve made up your mind to build a deck, you may be wondering how to install one. Keep reading this blog, and we’ll provide you with a complete outline of everything you need to know about building a deck in Australia today.

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Table of Contents

  • Step 1: Getting a License and Council Permit
  • Step 2: Start By Creating a Plan
  • Step 3: Choosing the Right Deck Material
  • Step 4: Make Sure You Have the Right Tools and Supplies
  • Step 5: Measure and Lay Out the Deck
  • Step 6: Place Load-bearing Beams and Support Posts
  • Step 7: Install the Joists
  • Step 8: Laying the Deck Boards
  • Summarize

Step 1: Getting a License and Council Permit

You can save yourself a lot of time and effort in the long run if you do this first. Before you start building your deck, make sure your local government agrees with your plans. Each council has its own set of rules and regulations regarding decks and other home additions. Matters controlled by the council include the types of materials you can use, the distance between buildings on the same site, the strength of the building, and basic building requirements.

When you talk to your local council about deck building, be sure to ask them what special circumstances you qualify for. Many times, you can build a deck project without additional fees or permits as long as certain requirements are met.

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Step 2: Start By Creating a Plan

You need to have a solid plan in place before you start your deck. This is very important for this job as well as any other home improvement job. You can do it yourself, or you can hire a professional deck contractor.

The first thing you need to do is choose the orientation of the deck. After considering what time of day is most useful and whether you want to watch the sunrise or sunset from the east or west, you will be glad you did this. Once you’ve considered all of this, you can decide if you need to build a sturdy roof to shade your home.

Next, take a look at your home’s floor plan and choose the height of the deck you want. Most people choose one of two styles:

  • Build the deck with steps leading to the outside
  • Build the deck low, at the same level as the ground

Knowing what’s under your outdoor deck is a very important step. But people often forget this step when planning. In Australia, there are many types of pipes and wires underneath homes. If you’re thinking of building a deck, it’s a good idea to know what’s underneath.

This can save you a lot of money and hassle. If you cut something by mistake during construction, it could cause a huge mess, take a long time, and even be dangerous for people. Calling the utility company and asking for the following is one way to find out.

Build A Deck in Australia

Step 3: Choosing the Right Deck Material

The next thing to do is to choose the materials that will be used to build your deck. For the most part, there are four main types of materials used. Hardwood, treated pine, composite decking, and modular decking. Each material has its own advantages and disadvantages.

Many people prefer hardwood decks because of their longevity and natural color and finish. Merbau, Jarrah, Spotted Gum, and Blackbutt are all popular hardwoods. Merbau and other hardwoods contain a high amount of natural oils that protect and preserve them. However, you will need to treat and maintain your hardwoods on a regular basis to ensure they last as long as possible.

Treated pine is the least expensive type of wood. This is because it is treated to prevent rotting and discoloration. Treated pine is great because it can be stained or painted to match any style. It is very lightweight and easy to work with, but requires regular maintenance and upkeep work on an annual basis to ensure its longevity.

Composite decking is made from recycled plastic mixed with wood fibers. It is a good alternative to wood because it is better for the environment. It also doesn’t require as much maintenance as wood because it isn’t damaged by the weather like wood.

If you choose composite decking, then the upfront installation costs may be higher. Of course, this low-maintenance decking material will also save a lot of maintenance costs.

Modular decking is usually made of wood, which makes it easier to assemble. The only problem is that it is more expensive than regular wood decking. It also requires regular maintenance and upkeep work.

Step 4: Make Sure You Have the Right Tools and Supplies

Now that you have chosen your materials, you need to make sure that you have all the tools and supplies you need to turn the building materials into a fully functional deck. Here are some of the most important tools you should always have on hand when installing a deck:

  • Shovel
  • Chisel
  • Hand or powered saw
  • Screw Driver
  • Spanners
  • Measuring Tape
  • Chisel
  • Square
  • Builder’s Line
  • Electric Drill and Drill Bits
  • Adjustable Wrench
  • Spirit Level
  • Wooden and Metal Stakes
  • Spray paint
  • Glue
  • Nail Gun
  • Fastener

You can get all of this by simply going to your neighborhood hardware store.

Deck framing

Step 5: Measure and Lay Out the Deck

Now it’s time to measure the deck. First, measure and mark the outer edges of the deck. Be sure to keep the height of the deck and joists in mind when measuring. Be sure to add up your height and the height of the joists. Then, make a mark at each end of the sill. Measure the height from the ground to these marks. You can then pull lines around the outside of the area at this height.

After that, you will need to bolt temporary wood rails to the ground at the edge of the deck area. You can use a level to make sure these rails are straight. Draw a line on the wood to indicate the end of the deck. Use the 3-4-5 rule to make sure the deck is square.

Now, look at your engineering drawings to see how far apart your support posts need to be. Measure and mark these distances from the sill to the deck. Then, mark along the edges. Then, use the rope lines to draw the grid. A support post needs to be placed at each intersection of the rope. Mark them out with spray paint.

Step 6: Place Load-bearing Beams and Support Posts

Installing the support posts and frames requires several steps. First, dig holes for the support posts in the areas painted with spray paint. Make sure you dig to the proper depth. Your plans and permits should tell you how deep you need to dig. Once this is done, have an inspector go over it before putting in the support posts.

After cutting the load-bearing beams to size, use glue and a nail gun to hold them together. Then measure their height. To do this, use a level to measure from the existing wood to the height of the bricks. Now, find out the distance between the level and the bricks.

This will tell you what size of finish you need. You can then mark the closing dimensions on the bracket. Make sure you use a square set of tools to mark the depth and length of the checkout as well. This will give your deck more support than brick.

Next, use a circular saw to cut the supports. Make sure the saw is at the correct depth. After that, you can level and secure the support posts, and then you can drill holes for them. Now, make sure the support columns are secure before pouring the concrete. Once again, follow the steps above to install all other supports and load-bearing beams. The next day, after the concrete has set, you will need to go back and fill the holes with dirt again.

outdoor deck

Step 7: Install the Joists

Now the joists need to be installed. First, measure and mark the boards. Then, cut a slot in the siding. Place the planks and secure the first joist.

Then, run a string through the joists and mark and measure the position of the second joist. First, secure the second joist. Then, secure all the other joists. Once this is done, place the deck between them.

Step 8: Laying the Deck Boards

Now it’s finally time to lay the decking. First, cut the decking material to the right size. Then, align the first boards and secure them in place with clamps and a drill. Now all you have to do is lay the second plank, attach it, and continue laying each plank until your deck is complete!

Summarize

That’s all there is to installing a deck. Now you know how to build a deck in Australia. You should be able to follow this guide step by step. If you need more detailed information, please feel free to contact us. EVODEK has a professional service team. We will be happy to serve you.

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Kelin Content Writer
Kelin is an accomplished writer specializing in outdoor home decor. With a background in landscape architecture and a flair for storytelling, Kelin creates compelling content that inspires homeowners to enhance their outdoor living spaces. His writing covers a range of topics from garden design and furniture placement to the latest trends in outdoor living. Known for his practical advice and innovative ideas.
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