How to build a deck

A deck is the perfect way to extend your living area to the outdoors and improve the value of your home. Find out how you can build your own deck that you will enjoy for years to come.

Step 1: Make a Plan

Before you reach for a hammer there’s a few things you need to consider before building your new deck. Seeking council approval, checking for underground cables and pipes and deciding on the overall design of your deck are just some of the things you need to do before you start building. 

Watch Planning to Build a Deck

Person cutting a check-out in the wall plate to build a deck

Step 2: Measure and Set Out Your Deck

With the planning phase complete, it’s time to set out your deck. This phase is crucial – get your measurements wrong and your deck could end in disaster. Find out how to measure and mark out the height of your deck and ensure that it’s square. 

Watch How To Set Out a Deck

Stumps and bearers installed for building deck

Step 3: Install the Stumps and Bearers

The building phase begins as we show you how to build a strong foundation for your new deck, starting with the stumps and bearers. 

Watch How To Install Bearers and Stumps for a Deck

Person using chisel to make joists for deck

Step 4: Install the Joists

With the stumps and bearers in place, the next step in building your deck is to install the joists; these are the beams that will support the decking boards. 

Watch How To Install Joists for a Deck

“Person securing decking with a fastener”

Step 5: Lay the Decking

Your deck’s frame is now complete, which means it’s time for the final step – laying the decking boards. 

Watch How To Lay Decking

“deck with lighting”

More Ideas to Make Your Outdoors Great

Building a deck is the first step in creating a fantastic outdoor space for your home, find out what else you can do to create the perfect entertaining area. Or if you’ve only got a small space to work with, check out these great ideas for small spaces.

D.I.Y. slatted shelf unit 03:23

Living Room How to build a D.I.Y. slatted shelving unit This slatted shelving unit is easy to make, can be painted to match your décor and is a handy place to put items on display.

Finished bedhead attached to bed 03:09

Bedroom How to make a modern timber bedhead How to make a modern timber bedhead.

DIY firewood rack 02:30

Living Room How to make a D.I.Y. copper firewood rack Keep your firewood handy with this stylish copper storage rack. It’s easy to build and portable, making it easier to take outside and re-stack with wood.

modern living room makeover 01:29

Living Room How to give your living room a modern D.I.Y. makeover There are a few simple ways to freshen up a tired living room and make it a real feature in your home. You can create more space by knocking out a wall and updating the furnishings to fit. By adding floating cabinetry and open shelves, you’ll have m...

How to make a play table for kids 02:32

Bedroom How to make a play table for kids This toy table gives kids a place to play with their toys and it includes a handy space for storage tubs underneath.

wooden puzzle stool 03:23

Bedroom D.I.Y. kids wooden puzzle stool Create a fun play area for your kids with these wooden puzzle stools. All you need is some basic materials and a bit of know-how. Discover how with Bunnings.

modern laundry makeover 01:04

Laundry How to give your laundry a modern D.I.Y. makeover By giving your tired, old laundry a modern makeover you can make it a place you enjoy using. In this D.I.Y. renovation, we’ve created extra storage space with new cabinets, the tapware adds a stylish touch, while the external door will make this a m...

bookshelf storage 02:32

Shelving & Storage How to make a D.I.Y. kids wooden bookshelf This kids wooden bookshelf and storage unit lets you put your child’s favourite books or toys on display.

Please make sure you use all equipment appropriately and safely when following the advice in these D.I.Y. videos. You need to be familiar with how to use equipment safely and follow the instructions which came with the equipment. If you are unsure, you may feel it is safest to consult an expert, such as the manufacturer or an expert Bunnings team member.

Top of the content