The average concrete slab cost in Australia can be anywhere from $75 to $110 per square metre. If your slab is going on a flat block of land with easy access, expect the price to be on the lower end of the scale. Before you build a house, garage or even a shed, you need to have a solid foundation for it.
If you want to know how much do concrete slabs cost, you can expect to pay anywhere between $65 and $110 per square metre, plus labour rates. You can use an online concrete slab cost calculator in Australia for a general indication of local market rates.
Concreting can cost $50 to $150 per square metre, subjective on the levelling required, type of finish used and size of the job. You can expect to pay $200 to $300 per cubic metre.
How much is the cost of concrete per m3? In Australia, the average cost of concrete can vary from $200 to $300 per m3 (cubic metre). However, this could cost as much as $350 for 40 MPa strength, which is commonly used for footings, pathways, securing posts, slabs and other high strength purposes.
The national average cost of a concrete slab is $6.60 per square foot for materials and labor. Most homeowners can expect to pay between $4.34 and $7.73 per square foot for concrete installation.
“Slab” issues that most often arise in disputes between builders and owners relate to the size of cracks that may appear, and the thickness of the concrete slab installed. In Western Australia the most common slab thickness is between 85mm and 100mm.
The average concrete slab cost in Australia can be anywhere from $75 to $110 per square metre. If your slab is going on a flat block of land with easy access, expect the price to be on the lower end of the scale. Before you build a house, garage or even a shed, you need to have a solid foundation for it.
Calculating the volume for concrete requires using three dimensions: length times width (which is area) times the height (thickness) or L x W x H. If you are using feet as your standard unit of measurement, this formula will give you the volume of concrete in cubic feet.
Concrete paving is cheaper than paving slabs
Concrete slabs are the least expensive paving option, but they come with the cost of drying time and cracks or distortions. Paving slabs are also not as flexible as individual pavers, which can be replaced or repaired.
How much does a driveway cost in Australia? The national average cost for a concrete driveway is between $65 and $95 per square metre. For a decorative concrete driveway, you can expect to pay higher rates of up to $200 per square metre, while a plain concrete driveway is the more affordable option.
How Thick Does Concrete Need to Be for a Slab? In general, for residential areas like walkways and patios, 4 inches of concrete is sufficient for a slab. For a deck or deck stair landing, again, around 4 inches of concrete is sufficient.
The average cost of concrete is anywhere from $200 – $300 per m3 (cubic metre), though you could pay as much as $350 for 40 MPa strength. Variations in cost are due to local prices differing slightly, the type of concrete you order, and any additives or admixtures required.
Standard Concrete Slab Thickness In Australia
In Australia, concrete slabs must be fixed in adherence with the Australian Standards AS 2870 and AS 3600. The most common slab thickness in Australia is between 85mm and 100 mm.
You might expect a concrete slab to cost between $75 and $110 per square metre, according to hipages. Trade website ServiceSeeking.com.au, on the other hand, estimates the cost to be anywhere from $50 to $150 per square metre.
One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet. 5-inches thick – covers 65 square feet. 6-inches thick – covers 54 square feet.
Concrete slabs are an essential item to budget for whether you're paving a driveway or preparing for a new home to be built. Depending on how the factors above come into play for your exact project needs, you can expect to pay anywhere from $60-$100 per square metre for plain concrete for a slab.
So, what do Aussies mean when they say: “Let's grab a slab from the bottle-o later.” A “slab” is a quantity or beer, usually a box. You can buy this from a liquor store (Aussies call this a bottle shop, or “bottle-o”).
5 to 6 inches are suggested if the concrete will receive occasional heavy loads like garbage trucks or mortar homes. Minimum Slab Thickness for Residential Building: 4 inches (100mm) approx. Maximum Slab Thickness for Residential Building: 6 inches (150mm) approx.
The Building Code of Australia breaks down the requirements for Class 1a buildings as shown below. For a proposed concrete slab on ground the finished floor level (FFL) is required to be 100mm above the external finished ground level (FGL) for low rainfall intensity areas such as sandy, well-draining soil.
During the slab construction process, the slab will take approximately 7 days to cure, so be patient – you are literally watching concrete dry during this week! Once the slab has had enough time to cure, the plumbing and drains will be connected onsite.
Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks.