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Decker’s Deck – Cost of Building Deck

Decks provide the perfect place for outdoor entertaining and by adding decking it’s one of the most cost effective ways to increase your outdoor entertainment area and add value to your home.Installing a deck requires some careful planning and you should take advantage of using a deck calculator so you have a good estimate of what the cost of building your deck could be.

Things to Remember:

Your deck should be constructed according to all relevant building codes in your city and is the responsibility of the home owner to apply and get the required building permits.

Checklist on the Cost of Building Deck

  • Size in square feet
  • Type of Lumbar Soft, Hardwood or Composite Decking
  • Hardware joists, screws and nails
  • Railing

Checklist on the Cost of Building Deck

  • Stairs
  • Site conditions, is your backyard level, do you need to remove soil
  • Deck Elevation
  • Permits required from your local city’s building authority


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Selecting Decking Material

One of the most important decisions that will need to be made is: choice of materials and the color of your deck. You’ll have material options to choose between; soft, hardwood and composite decking. If you’re having difficulties deciding what is the best option for your deck is, Decker’s Deck Toronto can help choose what’s right for you.


The three most popular types of materials used are:

  • Pressure Treated Woods, which are the cheapest option.
  • Hardwood Lumber, which is more expensive than Pressure Treated wood, with a variety of woods to choose from.
  • Composite Decking, which is a mixture of timber fiber and plastics.


After selecting the type of decking material you’d like to use, you’ll need to know; how many decking boards and what size. These factors will determine how many boards you’ll need for your decking:

The size of your deck will be in either:

  • Total square footage
  • Length x Width in feet and inches

Board Size

  • Lumber: 12 foot 2 x 4, 8 foot 2 x 6
  • Composite: 1 inch x 5 inches, 1 inch x 6 inches

Angle of Decking

  • Horizontal (straight across look)
  • Diagonal (slanted look)

Now you are ready to start estimating the amounts of material we need for our deck.

Deck Cost Calculator Canada

Costs can vary due to a number of factors so you will need to bare that in mind when calculating the cost per square foot. You may not be able to get the decking material quantities you need exactly correct, but using the above formula will help you get a good estimate of what you will require.

To get more accurate dimensions, it’s best to use a deck calculator before you start your project to get an idea of the cost of building a deck and the options available to you. The team at Decker’s Deck Toronto can provide you with competitive quotations for the cost of building your deck. Your deck should be constructed according to all relevant building codes in your city and is the responsibility of the home owner to apply and get the required building permits.

You could face legal action and costly delays if you don’t have the required permits before starting construction on your deck.Please check with your local city’s building authority for the correct deck permit codes.

Call the Decker’s Deck Toronto team to get a free estimate on the cost per square foot to build your deck.


CALL NOW: 1-647-561-8996

Estimating Lumber

  • A small deck (100 square feet) will typically be approximately 10 x 10 feet; for example, will determine how much lumber you will require.
  • You need to reference with your deck plans and count all the pieces.
  • You will need to know the width of the decking boards you be using and the width of your desired spacing. These measurements will allow you to calculate your deck requirements.
  • Don’t forget to factor in wastage. Add 15% for to your floor decking to allow for wastage.
  • Decking lengths come in even 2 foot intervals. Double check as stock can come slightly larger than indicated.
  • Stairs and Railing can often be overlooked when ordering material. Refer to your plans to determine how many you need.

Things to Remember:

When you decide to construct your decking you’ll want to be sure that you buy enough lumber at the beginning, as batches have specific color variations. To keep the same look consistent for your deck, it’s better to buy all of your lumber in one batch. Material costs can vary from city to city; and may be slightly more or less cost per square foot depending where you reside.

Estimating Composite Boards

  • Composite boards are measured by their thickness and width. 1 inch x 5 inches; and 1 inch x 6 inches.
  • Composite deck packs come with pack of 10 or 56 boards.
  • Use the correct board size measurements when calculating to determine the right amount of composite boards you will require, add 15% for wastage.
  • Remember to account for your gaping between composite deck boards.
  • Joist for framing should be 2 inches x 8 inches or larger.

Estimate Railing and Post Quantities

Remember to consult with your city’s local building to determine the railing requirements and materials to meet safety codes.

  • Measure the length of your deck. This will determine how much lumber you will require for your rail.
  • The height of your railing should be at least 3 feet, depending on how high your deck sits off the ground.
  • Railing post width will be determined by your city’s local building code. Generally a minimum of three posts for every 12 inches of railing.
  • When estimating your railing and post materials take into account spacing, length and post thickness.

Estimating Hardware

You’ll require fasteners and connector use to secure your deck together and they must withstand years of exposure to the elements.

  • You’ll need approximately 350 screws per 100 square feet of decking.
  • Hidden clips you’ll need approximately 175 pieces per 100 square feet of decking.
  • Triple Zinc or Stainless steel hardware is the best choice.

Estimating Labor Cost to Build a Deck

  • Labor for building your deck can make up the bulk of the cost. The cost per square foot can be between $8 up to $22 dollars.
  • The size of your deck, materials selected, backyard conditions and any extra options can influence the cost per square foot.

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Our team will be in touch as soon as possible to discuss your needs.

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