Last updated: 12 April 2026

Concrete Driveways Adelaide
Installed by Licensed Specialists

Your driveway is the first thing visitors and neighbours see — and one of the hardest-working surfaces on your property. Opal SA Construction (BLD 317725) installs concrete driveways across all Adelaide metro suburbs, from Gawler and Salisbury in the north to Morphett Vale and Christies Beach in the south. Every driveway is poured to 25–32 MPa, reinforced with SL72 or SL82 steel mesh, and finished to your specification.

Standard residential driveways are 100 mm thick over a 100 mm compacted crushed-rock roadbase. Control joints are tooled or saw-cut at 3 m centres to manage cracking. Curing compound is applied the same day so your surface reaches full 28-day design strength regardless of Adelaide's dry summer conditions.

All prices are fully installed and include excavation, compacted roadbase, reinforcement mesh, concrete placement, finishing, control joints, curing compound, and site cleanup. For non-standard sites requiring extra excavation, removal of existing concrete, or heavy compaction work, an additional base preparation charge of $20–$50/m² applies — quoted separately before any work begins.

Driveway Finishes & Indicative Pricing

All prices are fully installed and include excavation, compacted roadbase, reinforcement mesh, concrete placement, finishing, control joints, curing compound, and site cleanup. For non-standard sites requiring extra excavation, removal of existing concrete, or heavy compaction work, an additional base preparation charge of $20–$50/m² applies — quoted separately before any work begins.

Concrete Driveway Finish Options Explained

Choosing the right finish is more than a cosmetic decision — it affects slip resistance, surface temperature in Adelaide's summer heat, maintenance requirements, and long-term durability. Here is what each option delivers:

Exposed Aggregate Concrete

Exposed aggregate is the most popular driveway finish in Adelaide, and for good reason. During the pour, the surface paste is washed back to reveal the natural stone within the concrete mix. The result is a textured, slip-resistant surface that achieves an R10–R12 rating when wet — important in Adelaide where sudden summer storms follow months of dry weather. The aggregate also reflects solar heat more effectively than plain grey, keeping surface temperatures lower underfoot on 40°C days. Exposed aggregate driveways are available in a range of stone colours and sizes, from fine pea gravel to larger river rock blends, allowing you to match or complement your home's exterior palette.

Coloured & Stencilled Concrete

Oxide pigments are integrated directly into the concrete mix before placement, producing a durable colour that goes all the way through the slab — not just a surface coat that can chip or fade. Popular colours for Adelaide homes include charcoal, slate grey, sandstone, and terra cotta. Stencilled patterns can replicate the look of pavers, bluestone, or cobblestone at a fraction of the cost and with none of the long-term maintenance of individual pavers shifting on reactive clay. The surface is sealed after installation to protect colour vibrancy and resist oil staining from vehicles.

Plain Grey Broom Finish

The most cost-effective option, broom finish concrete delivers a clean, neat appearance with a light texture that provides adequate grip underfoot. It suits modern homes with minimalist facades and works particularly well for side access paths, carport floors, and areas that are largely hidden from street view. Despite being the entry-level finish, broom concrete still receives the same sub-base preparation, reinforcement, and mix design as premium options — the only difference is the surface treatment.

Concrete vs Pavers: Which is Right for an Adelaide Driveway?

The most common question we hear from Adelaide homeowners is whether to choose a concrete slab or clay/concrete pavers. Here is an honest comparison:

In Adelaide's reactive clay suburbs — particularly Salisbury, Elizabeth, Para Hills, Modbury, and Morphett Vale — concrete slabs outperform pavers because the reinforced slab accommodates ground movement as a single engineered unit, while individual pavers shift unevenly over time.

How We Handle Adelaide's Reactive Clay Soils

Adelaide's northern suburbs (Salisbury, Elizabeth, Gawler, Para Hills, Angle Vale) and parts of the southern suburbs (Morphett Vale, Hallett Cove, Reynella) are classified as Class M to H2 reactive clay under AS 2870. This means the subsoil expands when wet and contracts when dry — a seasonal cycle that puts significant stress on any structure sitting on it.

Our approach for reactive clay sites includes:

• Deeper excavation to remove reactive topsoil layers
• Thicker compacted DGB20 roadbase (typically 150 mm vs 100 mm standard)
• Upgrade from SL72 to SL82 mesh reinforcement
• Closer control joint spacing (2.5–3 m instead of 3 m) to distribute stress
• Moisture barrier under the slab on AS 2870 classified sites

Key Specifications

• Concrete grade: 25 MPa standard, 32 MPa heavy-vehicle areas
• Slab thickness: 100 mm residential, 125 mm for caravans / heavy loads
• Reinforcement: SL72 mesh standard, SL82 for higher loads — bar-chaired at mid-depth
• Roadbase: 100 mm compacted crushed rock (DGB20)
• Control joints: Tooled or saw-cut at ≤ 3 m centres
• Curing time: Walk on 24–48 h · Drive on 7 days · Full strength 28 days
• Compliance: AS 3600 (Concrete Structures), AS 2870 (clay soil sites)
• Service area: All Adelaide metro — Gawler to Seaford, Port to the Hills

Concrete Driveway Installation Across Adelaide

We install concrete driveways in every Adelaide metro suburb. Select your area for suburb-specific information and pricing:

Don't see your suburb? View our full coverage area or contact us — we service all of Adelaide metro.

Related Services

Useful Guides

• Concrete Driveway Cost Adelaide 2026
• Exposed Aggregate Concrete Adelaide — Complete Guide
• How Thick Should a Concrete Driveway Be in Australia?
• Best Concrete Sealer for Adelaide Driveways
• Concrete Driveways vs Pavers — Adelaide Comparison
• Do You Need Council Approval for a Driveway in Adelaide?