Exposed Aggregate Cost per m²: What You Need to Know

How much does exposed aggregate concrete cost? On average, exposed aggregate concrete costs between $120 and $200 per square metre in Australia. However, prices can vary depending on factors like location, project size, design complexity, and the type of materials used. You may find additional costs come into play for extra work required, such as site preparation, excavation, reinforcement, sealing, and decorative finishes.

In this guide, we’ll break down everything you need to know about exposed aggregate concrete cost, including:

• What is exposed aggregate concrete?

• Exposed aggregate cost per m2 and per m3

• Key factors affecting exposed aggregate pricing

• The benefits of a modern exposed aggregate concrete driveway

• How to get concreting quotes, and more.

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How much does exposed aggregate concrete cost?

The cost of exposed aggregate concrete typically ranges from $120 to $200 per square metre. This price covers the material but does not include labour, which generally costs $70 to $85 per hour for a concreter, depending on your location in Australia.

Concrete suppliers usually charge for exposed aggregate by the cubic metre (m³), with prices ranging from $240 to $380 per m³, depending on the concrete’s strength and mix.

While exposed aggregate concrete is more expensive than standard or reinforced concrete, it offers excellent durability, slip resistance, and aesthetic appeal. Whether you’re considering an exposed aggregate driveway, patio, or pool surround, this premium finish is often a worthwhile investment.

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What is exposed aggregate concrete?

Exposed aggregate concrete, also known as pebblecrete, is a decorative concrete finish created by removing the top layer of cement to reveal the embedded stones, pebbles, or other aggregates beneath. This process results in a textured, slip-resistant, and visually appealing surface.

This versatile material is commonly used for driveways, pathways, patios, pool decks, and other decorative outdoor features. Not only does it enhance aesthetic appeal, but it also offers high durability, making it suitable for areas exposed to heavy foot traffic and vehicle loads.

Read more: How much does a concrete driveway cost?

What affects exposed aggregate cost?

Several factors influence the cost of exposed aggregate concrete, with pricing varying based on materials, labour, and site conditions. Key cost factors include:

• Project size – Larger areas require more materials and labour, increasing the overall cost.

• Aggregate type – The type, size, and quality of stones or pebbles used in the mix can impact pricing, with premium or rare aggregates costing more.

• Design complexity – Intricate patterns, custom colours, or unique finishes require additional time and expertise, leading to higher labour costs.

• Site preparation – Costs can rise if the project requires excavation, removal of old concrete, grading, or other prep work.

• Accessibility – Hard-to-reach sites or locations needing specialised equipment can add to transportation and labour expenses.

• Labour and installation – Rates vary between concreters and regions, with highly skilled contractors often charging more for premium-quality work.

• Additional treatments – Sealing, colouring, and decorative enhancements can increase costs but also improve durability and aesthetics.

• Local market conditions – Prices fluctuate based on regional material costs, contractor demand, and supplier competition.

For an accurate exposed aggregate cost estimate, it’s best to consult local concrete contractors who can assess your specific project and location.

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What are the benefits of exposed aggregate concrete?

Exposed aggregate concrete combines style, durability, and low maintenance, making it an excellent choice for elevating outdoor spaces and landscaping with both practicality and visual appeal. Key benefits include:

• Enhanced traction – The textured surface provides superior slip resistance, making it ideal for high-traffic areas, pool surrounds, and driveways.

• Exceptional durability – This concrete finish is built to last, withstanding heavy foot traffic, vehicle loads, and harsh weather conditions.

• Low maintenance – Exposed aggregate requires minimal upkeep, needing only occasional cleaning and resealing to maintain its appearance and functionality.

• Stain and weather resistance – When properly sealed, exposed aggregate is highly resistant to stains, moisture, and UV damage, ensuring it remains in great condition over time.

• Customisation options – You can tailor your exposed aggregate surface with a variety of colours, sizes, and aggregate types, offering endless design possibilities to match your outdoor space.

A modern exposed aggregate concrete driveway or outdoor space offers both style and functionality, making it a smart choice for any property.

How is exposed aggregate concrete installed?

The installation of exposed aggregate concrete is a multi-step process that requires careful attention to detail to achieve the desired finish. Here’s a general overview of the installation process:

1. Preparation and Pouring

The first step involves preparing the site, including grading the area and setting up forms to contain the concrete. Once ready, the concrete mixture is poured over the surface and levelled to the desired thickness.

2. Partial Setting

After the concrete is poured, it is left to partially set, allowing it to harden just enough to support the removal of the top layer.

3. Exposing the Aggregate

Once the concrete has set, the contractor uses a specialised technique to wash away the top layer, revealing the aggregate beneath. This can be done using a water wash or abrasive techniques to expose the stones, pebbles, or other materials embedded in the concrete.

4. Washing and Sealing

After the aggregate is exposed, the surface is thoroughly washed to remove any remaining slurry and dust. The final step is to apply a high-quality sealer to protect the concrete from damage, staining, and weathering, while enhancing the appearance of the exposed aggregate. This sealing process also improves the durability of the surface, making it more resistant to wear and tear over time.

How do I maintain exposed aggregate concrete?

Exposed aggregate concrete is known for its hard-wearing and low-maintenance requirements, but regular care is necessary to keep it looking its best.

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Can exposed concrete aggregate be repaired if it gets damaged?

Yes, exposed aggregate concrete can often be repaired if it becomes damaged. A professional concrete contractor can address minor issues, such as small cracks or chips, by using patching materials specifically designed for exposed aggregate surfaces. These repairs are typically straightforward and restore the surface’s appearance.

However, if the damage is more extensive or involves structural issues, such as large cracks or settling, more significant repairs may be required. In some cases, this could involve resurfacing the entire area or, in extreme cases, replacement. It’s important to consult with a qualified contractor to assess the damage and recommend the best solution.

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How to get concreting quotes

When looking for concreting services, whether it’s for an exposed aggregate driveway, pool surrounds, or any other project, it’s important to hire a licensed and insured concreter to ensure the job is completed professionally and safely. Follow these steps to get accurate and competitive quotes:

• Research Local Contractors: Start by searching online directories such as Yellow Pages for qualified exposed aggregate concreters in your area. Look for contractors who have experience with the specific type of project you’re planning.
• Check Reviews and References: Read customer reviews and ask for references to ensure the contractor has a good reputation for quality work and reliability.
• Request Multiple Quotes: Contact at least three contractors to request quotes. This helps you compare pricing and services, ensuring you’re getting a fair estimate.
• Provide Clear Project Details: Clearly communicate the specifics of your project, including:
  — Type of job (e.g., driveway, pool deck, patio)
  — Desired finish (e.g., modern exposed aggregate or other concrete types)
  — Size of the area to be worked on
  — Any special requirements (e.g., site preparation, reinforcement, sealing)
• Review the Quotes: Compare the quotes you receive, looking for detailed breakdowns of costs, including materials, labour, and any additional services. Ensure the quotes are for similar work and materials to make a fair comparison.
• Consider Experience and Reputation: Don’t just choose the cheapest option—take the contractor’s experience, quality of work, and customer feedback into account.

By following these steps, you’ll secure a fair and accurate quote, ensuring your concreting project meets both your quality and budget expectations.

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*All costs and prices quoted were sourced at the time this cost guide was written and should only be used as an estimate.