The Cost Of Decking In South Africa

If you’re planning to build a storey building in South Africa, decking is one of the most crucial stages to consider. While decking itself may seem straightforward, estimating the cost can be a significant challenge for builders and property developers. In this comprehensive guide, we’ll dive deep into the factors that influence decking costs in South Africa and provide you with an accurate estimate to help you budget effectively.

Understanding the Decking Process

Decking is an essential part of constructing storey buildings, including duplexes and other multi-level structures. It involves creating a stable platform that supports the weight of the upper floors and distributes it evenly across the foundation. The decking process typically includes:

  1. Installing steel reinforcement bars (rebar) in a grid pattern
  2. Placing formwork to contain the concrete
  3. Pouring and leveling the concrete slab
  4. Allowing the concrete to cure and gain strength

A well-executed decking process ensures the structural integrity and longevity of your building.

The Cost Of Decking In South Africa

Average Cost of Decking in South Africa

Based on recent industry reports and expert insights, the cost of decking a house with a floor area of up to 100 square meters in South Africa ranges from R$27,000 to R$54,000. However, this is a rough estimate, as several critical factors can significantly impact the final cost.

Key Factors Affecting Decking Costs

To accurately estimate your decking expenses, consider the following factors:

1. Building Size

The size of your storey building directly influences the cost of decking. A larger floor area requires more materials, labor, and time, resulting in higher costs. For example, decking a simple duplex will be more affordable than decking a sprawling mansion.

2. Type of Storey Building

Different types of storey buildings have varying decking requirements. A semi-high rise or high-rise building may require multiple layers of decking, unlike other structures. The more complex the building, the higher the decking costs due to increased material and labor needs.

3. Material Prices

Fluctuations in the prices of essential decking materials, such as steel reinforcement bars (rebar) and cement, can significantly impact your budget. Although the building material market has gained some consistency in recent years, it’s crucial to stay updated on current prices to make accurate cost estimates.

4. Construction Timeline

The time of year you begin construction can also affect decking costs. In South Africa, prices tend to be lower during certain months, such as March and April. Conversely, costs may increase during festive periods and towards the end of the year due to higher demand for materials and labor.

5. Location

Decking costs vary depending on the location of your building project. Major cities like Johannesburg and Pretoria often have higher material and labor costs compared to less developed towns. Consider the specific pricing trends in your area when estimating decking expenses.

6. Workforce

The choice between individual contractors and corporate building development companies can also impact your decking budget. While individual contractors may offer lower rates, they may not always guarantee the same level of quality as established companies. Corporate entities often come with higher costs but deliver professional, top-notch decking services.

Optimizing Your Decking Budget

To get the most value for your money when decking your storey building, consider the following tips:

  1. Plan ahead: Start planning your decking project well in advance to secure the best prices on materials and labor. This also allows you to make informed decisions based on market trends.
  2. Compare quotes: Obtain multiple quotes from reputable contractors or building development companies to ensure you’re getting a fair price for quality work.
  3. Prioritize quality: While it may be tempting to cut costs by opting for cheaper materials or less experienced contractors, remember that quality decking is essential for the safety and longevity of your building. Invest in high-quality materials and skilled professionals to avoid costly repairs down the line.
  4. Consider the long-term: When budgeting for decking, think beyond the initial construction costs. Factor in potential maintenance expenses and the overall lifespan of the materials used. Investing in durable, low-maintenance options may save you money in the long run.


Estimating the cost of decking for your storey building in South Africa requires careful consideration of various factors, including building size, type, material prices, construction timeline, location, and workforce. By understanding these elements and following the tips provided in this guide, you can create an accurate budget and ensure a successful decking project.

Remember, while it’s essential to manage costs, prioritizing quality and safety should always be the top concern when it comes to decking. Investing in a well-executed decking process will provide a strong foundation for your storey building, ensuring its structural integrity and longevity for years to come.

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