Concrete Slab Costs (m2, House, Shed)

Concrete Slab Foundation for a House

Types of Concrete Slabs | Cost per Square Metre | Concrete Slab House Cost | Shed Concrete Slab Cost | Thickness of Concrete Slab

Have you been wanting renewed or freshly installed concrete slabs, but aren’t sure you have the budget? Here, there are a variation of concrete prices that can work for just about everyone, including you. “Why should I use concrete slabs?” you may ask, well here is why. They are a popular option due to their extensive affordability, accessibility, durability, and protective barrier, that has simple installation.  

Concrete slabs are an effective and inexpensive choice that withstands wear, immense damages and has thermal mass practical for most climates. Concrete slab prices vary between $240 to $329, depending on the density of the slab, type of concrete slab, and labour hours. In Sydney, depending on the thickness of your slab, can start from $90/m for 100mm and progressively increase in price. 

Different types of Concrete Slab Costs

The different types of concrete is one of the most influenced factors that determine the price of concrete slabs. Spray-on concrete is the most affordable type of concrete that costs in a range from $50 to $75 per m2. Plain concrete follows with the prices from $60 to $85 per m2. Reinforced concrete cost ranges between $65 to $90 per m2, while coloured concrete from $75 to $90 per m2. On the top of the list are decorative stencilled and exposed concrete costing from $100 to $150 per m2. No matter what concrete you choose make sure that it fits your budget and your calculations.

What is the cost of a concrete slab per square metre?

The concrete slab cost is determined mainly by the size of the area on which you are going to pour a concrete slab, the thickness of the slab, type of concrete, accessibility of the area. In Australia, the average concrete slab cost per square metre goes in the range from $50 to $150. However, concrete slab prices may vary from one location to another, therefore residents in New South Wales are exposed to the highest rates ($85 per m2) while those living in Western Australia can expect to pay an average cost of $50 per m2 for a concrete slab.

How Much Does A Concrete Slab for A House Cost?

Before starting with your concrete house slab project think about your budget and the amount you are willing to spend on the installation. The cost of a concrete house slab per square metre in Australia ranges from $64 to $108 and most commonly the price depends on the thickness of the concrete slab as well as the location you are living in. For a 100mm thick concrete slab, residents in Perth will pay the most affordable price of $64 per square metre, and those living in Sydney for the same project will pay $90 per square metre.

Cost of A Concrete Slab for a Shed?

The average cost of a concrete slab for a shed is between $65 and $85 per square metre. When it comes to pouring a concrete slab for a shed, it is essential not to make any improvisations with the project, but rather hire professional concreters to do the foundational job for you. A solid base is crucial for the shed to be installed, so avoid any mistakes from assumptions and get shed designs instead. These costs are normally different from concrete driveways as the use case is different for sheds. If you want to know the cost for your shed concrete slab, ask for a quote from at least three different concreters.

What is the thickness of a Concrete Slab?

The standard thickness for a concrete slab (such as burnished slabs) is 10cm or 4 inches. It depends on the purpose of the slab, but the minimum thickness required is 5cm or 2 inches. The thickness of the slab correlates with the strength and durability as well as with the surface on which it is going to be poured.

What is the Cost of Concrete?

The cost of concrete can range from $250 to $333 per cubic metre, depending on the thickness and finish. The cost of concrete varies depending on the type and quality of the product and also the location within Australia you are pouring the Concrete (Specifier Australia states Sydney is more expensive than Adelaide).

For example, a high-quality white finish would cost more than stained cement, which is commonly used for driveways and paths.

How long does Concrete last?

Concrete can last many years or even decades if it’s been made properly with good material and is properly maintained. Concrete can be used to build bridges, roads and house foundations – these are all supposed to last for years or even decades.

As long as the concrete has been correctly mixed, forms have been made well and everything is constructed to handle it with care, it might last a really long time! It depends on if you look after it and what environment it is in.

Concrete can last more than 50 years if properly taken care of and is not exposed to too many harsh environmental conditions like heat and rain.

What is Concrete made of?

Concrete is made up of multiple materials, but the most significant are aggregate, cement and water.

Aggregate is basically just small rocks that you can find in your back garden or at a nearby quarry. Sometimes large stones called boulders may be used instead of small rocks as they add strength to the concrete.

Cement is made up of lime, clay and crushed rock-bound together with heat and pressure. Water is pretty self-explanatory as it’s what keeps everything together!

To Wrap it Up…

Concrete slabs are an accessible, cost effective material, and with the proper maintenance can have longevity for any residency. Now stop asking yourself “why should I choose concrete slabs?”, and think “which type is best for me?”. With all these options, at such an affordable price it is difficult to say no. 

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