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.

Moroccan inspired outdoor setting

Outdoor Living Bring the magic of Morocco to your backyard Let the colour, texture and style of Morocco inspire you to create a garden oasis that is full of lush and luxurious treasures.

pallet coffee table

Outdoor Living Five D.I.Y. ideas to update your outdoors Autumn is a great time of the year to tick off a few D.I.Y. projects from your to-do list. Here are a few good ideas to get you started.

Close up of a vertical garden setting

Outdoor Living How to create a balcony garden Want to create a garden, herb garden or veggie garden on your balcony? Follow our steps to choose the best plants for your balcony and add some greenery to your home.

Protect your pillows and cushions 02:10

Outdoor Living How to protect outdoor furniture The winter rain and summer sun can take its toll on your outdoor furniture. But there are some simple things you can do to keep it looking good and last longer.

small backyard

Outdoor Living How to decorate a small backyard Small backyards can be great to entertain in, especially as the weather gets warmer and the days get longer. Check out these great ways to make your outdoors the place to be this party season.

outdoor table with drink coolers 04:48

Outdoor Living D.I.Y. outdoor table with built-in drinks cooler Learn how easy it is to make an outdoor table with a built-in drinks cooler that can become the focal point for all your get-togethers. Learn more here.

playground

Outdoor Living Create your own playground at home With a bit of imagination and some D.I.Y., you can set up a whole world of fun and adventure for the kids in your own backyard. Whatever size space you have, check out these great ideas that will get the kids outdoors and active.

outdoor setting

Outdoor Living How to choose the perfect outdoor setting The right furniture can transform any outdoor space to a more liveable area, but how do you choose. Find out with this guide from Bunnings Warehouse.

low water garden

Planning & Projects How to create a low-water garden ‘Dry’ or ‘low-water’ gardening is a real art and, when done right, will provide you with an inviting landscape that uses very little water.

Finished artificial green garden wall behind garden bench 02:05

Planning & Projects How to create a green wall using artificial hedge Green walls are all the rage at the moment, but buying and maintaining one can be costly. Why not have a go at creating your own using pieces of artificial hedge – it looks great and will last the distance. Here’s how.

reducing water

How To Save Water How to reduce water usage Whether indoor or outdoor, there are lots of ways to be smart about water usage. And there are some simple actions that can make a big difference to your water bill.

doorbell 02:04

Doors How to install a ring doorbell The Ring video doorbell is a wireless doorbell which allows you to see who is at your front door. Find out how to install the Ring video doorbell yourself.

a tree lit up with solar lights around it 01:46

Garden Lighting How to install solar lights in your garden Solar lights are a great way to illuminate your pathways and highlight your garden beds at night. Install them yourself with these easy steps.

how to organise your pantry 02:52

Shelving & Storage How to organise your pantry Create an organisational system in your pantry with these handy storage hints. Trust us – its life changing!

front door 01:31

How To Paint How to paint your front door Make an entrance every darn day of the week by painting your front door a bold, enticing colour!

how to hang pictures

Walls The best way to hang pictures on a wall Learn the tricks to hanging your wall decor so it looks good – and doesn’t damage the plasterboard. Create an effortless-looking display by taking the time to consider spacing, proportion, frame styles and colour palettes.

Health & Safety

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 that 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.

Grave health hazards are linked to asbestos, which may be in homes built up to 1990. Health hazards may result from exposure to lead-based paints in older materials and copper chromium arsenic (CCA) treated timber. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page. You can also use a simple test kit from Bunnings to indicate the presence of lead-based paint.
Top of the content