Adelaide · Gawler
Licensed concrete specialists serving Gawler and surrounding suburbs. BLD 317725 · Free on-site quote within 48 hours.
Gawler is South Australia's oldest provincial town, sitting approximately 40 kilometres north of Adelaide's CBD at the junction of the North and South Para Rivers. It's a suburb of contrasts — heritage bluestone cottages alongside newly built residential estates, and long-established farming blocks converting into residential subdivisions. For homeowners and developers in Gawler, that mix of old and new creates a wide range of concreting needs, from driveways for character homes on narrow street frontages to large slabs for modern double-garage builds on generous new-estate lots.
Soil conditions in Gawler are predominantly expansive clay — the same reactive red-brown clay found across most of Adelaide's northern plains. This is a critical factor in concrete design. Without a properly compacted roadbase layer and correctly spaced control joints, clay soil movement driven by seasonal wet/dry cycles will crack even well-poured concrete within a few years. Our crews compact a minimum 100mm roadbase before any pour in Gawler and specify control joints no further than 3 metres apart for driveways and slabs, reducing the risk of reflective cracking as the subgrade moves beneath.
Drainage is a secondary concern in many Gawler streets, particularly on flatter blocks near the Para Riverlands. We grade all flatwork away from structures at a minimum 1.5% fall, and on lower-lying sites we recommend channel drains at the base of driveways to intercept run-off before it sits against footings. Exposed aggregate is a popular choice for pool surrounds and alfresco areas in Gawler's newer estates — the textured surface provides slip resistance during Adelaide's hot summers and hides surface dust well between cleanings.
Gawler sits within the Gawler Council area. Driveway crossovers from the kerb to the property boundary are technically council infrastructure, and any modification — widening, replacing, or raising — requires a council permit and must meet the approved crossing specifications. We handle this application process on your behalf as part of the full-driveway package, which includes the new crossing, driveway apron, and all concrete to your garage or carport.
Common projects we complete in Gawler include: new concrete driveways on subdivided lots in the Gawler East and Evanston growth areas; full driveway replacements on the older streets near the town centre; exposed aggregate pool surrounds for homes in Gawler Belt; and concrete slabs for sheds and garages across rural-residential blocks in the surrounding Gawler River and Reid Park area. Every project starts with a free on-site measure, a written itemised quote within 48 hours, and a clear project timeline. Call Javed on 0466 801 058 to arrange yours.
| Finish | Price (installed) |
|---|---|
| Plain grey broom | $75–$95 / m² |
| Coloured / oxide concrete | $95–$120 / m² |
| Exposed aggregate | $140–$200 / m² |
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.

Imagine stepping outside and diving into water that’s the perfect shade of blue, framed by a deck that feels like a mini holiday. That’s what we do. Opal SA Construction is a family-run team that turns Adelaide backyards into concrete swimming pool oases, shapes that hug your lawn, colours that match your roof and surrounds that stay cool under bare feet. One call, one crew, one fixed price, backed by a lifetime promise.
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Plain Grey Pool Shells
Classic, budget-friendly and built to last. Smooth finish, steel-reinforced walls—perfect for the traditional rectangular plunge.
Exposed Aggregate Pool Surrounds
Tiny river stones and quartz revealed for a slip safe, designer finish. Looks stunning against water and hides splash marks.
Coloured Concrete Pools & Coping
Charcoal, sandstone, smoke or custom hues mixed through the shell and coping. No fading, no patchy look, even after 40 °C summers.
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Installation
We design, excavate, plumb, steel fix and pour in one tidy timeline. Council setbacks, fencing rules and storm-water drains? Sorted. You just pick the tile colour and watch the concrete set.
Maintenance
Annual water balance check, acid wash and reseal every three years keeps the surface smooth and algae free.
Repair
Spider cracks, coping chips or faded seal? We diamond cut, patch and reseal with matching concrete so the fix disappears and warranty stays safe.
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Local know how: We live here, so we know Adelaide’s clay, slope and council quirks.
Premium SA concrete: 32 MPa mix, built for heat, chemicals and soil shift.
Fixed-price quotes: No surprise “extras” when the bill arrives.
Lifetime workmanship warranty: If the shell cracks, we’re back with a pump and a grin.
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Turn your pool into the summer hangout spot. We pour cool, non-slip edges in sandstone, charcoal or quartz finishes that match your backyard style. Engineered to cope with long, hot Port Adelaide summers and big family splash sessions.
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Unbeatable Strength: Engineered shell handles soil movement and water pressure for decades.
Custom Shapes & Colours: Kidney, lap pool, infinity edge or plunge—your call, our concrete.
Slip-Free Surrounds: Textured or honed finishes keep kids and grandparents safe.
Low Upkeep: Sweep, hose, reseal—simple.
Added Home Value: A stylish pool can boost resale value and weekend brunches
Call Javed on 0466 801 058 or fill in the form. Written quote within 48 hours.
We proudly provide our services in the following areas:
Licensed concrete contractors serving Gawler and surrounding Adelaide suburbs. BLD 317725 · fully insured · free on-site quote within 48 hours.