How Long Does a Deck Extension Take to Build?

Close up of exterior timber decking building a backyard deck with composite deck boards

Building a deck extension can be an exciting and rewarding experience, but it’s also one that requires a good amount of time, effort, and planning.

From selecting the right materials to considering the best time of year for construction to figuring out whether you should do it yourself or hire a professional contractor, there are many factors to consider when taking on this kind of project.

In this article, we’ll discuss all these topics in detail so that you can make the most informed decision possible about your deck extension project.


When it comes to building a deck extension, the type of materials you choose will have a dramatic effect on the amount of time it will take. For example, pre-cut lumber is much easier and faster to work with than large pieces of wood that would need to be cut down.

If you’re planning on using any kind of composite materials, such as plastic or vinyl, you’ll need to add in extra time for installation and repair if needed.

Time of Year:

The best time of year to build a deck extension is usually during the early spring or late fall months when temperatures are more moderate and there’s less chance of rain or snow interfering with your work.

In addition, these times of year generally have lower humidity levels, which can help prevent the warping and shrinking of your materials. It’s also important to consider how long the project will take when deciding on a timeline for construction.

Seasonal Considerations:

If you live in an area that receives heavy snowfall or frequent rain during specific times of the year, you’ll want to pay particular attention to these seasonal changes and adjust your construction timeline accordingly.

For areas with extreme weather conditions, it may be necessary to delay or even suspend deck extension projects during certain months to ensure that your work is completed properly.

Time To Devote:

The amount of time you’re able to devote to the project will also have a direct impact on how long it takes to build your deck extension. If you plan on doing the work yourself, you’ll need to factor in extra time for shopping and purchasing, building, and finishing all the details necessary for a professional-looking result.

DIY vs Professional:

Finally, when it comes to choosing between doing the project yourself or hiring a professional contractor, it’s important to consider how much time you have and whether or not you have the necessary skills and experience to complete the job.

While it may be tempting to save money by tackling this task yourself, remember that using a professional will ensure that your deck extension is built quickly and safely. Additionally, a professional will be able to offer advice and guidance on the best materials and techniques to use for your project.

In conclusion, it’s important to consider all of these factors when determining how long it takes to build a deck extension. With careful planning and research, you can make sure that your project is completed promptly, with the best materials and techniques. Whether you decide to try it yourself or hire a professional contractor, your deck extension will be worth the effort and time in the end!