Earthworks in South Toowoomba

Much of South Toowoomba sits on sloping ground, so yards often tilt toward the house, the street or a neighbour. Earthworks fix that by reshaping the ground itself.

Drainage work moves rain away from walls and footings. Levelling work gives a house pad, shed pad or driveway a flat, firm base. Site preparation strips grass, roots and old fill so the new work sits on solid ground.

A good contractor looks at all three together. A pad cut without a plan for runoff can collect water during heavy rain, and a drain with no level fall behind it will hold water instead of moving it.

Water sitting against a wall or slab is the problem to fix first. It softens the ground, can push damp into the house and keeps washing soil out from under paths and driveways.

The usual fixes are regrading the ground so it falls away from the house, cutting a swale (a shallow, grassed channel that carries water sideways), and laying agricultural pipe or stormwater pipe to a legal discharge point. Which one suits your yard depends on how much water arrives and where it can go. That gets settled on site, once the slope has been seen in rain or with a level in hand.

A driveway that washes out every storm often needs the same thinking. A crossfall (a slight sideways tilt) and a proper drain at the low point keep water off the surface and stop the gravel travelling.

Grading means shaping the ground to a planned level and fall. For a house pad, the builder usually needs a flat, compacted surface at a set height before the slab crew arrives. For a shed pad, the same idea applies on a smaller scale, so the slab or footings do not sit half on fill and half on natural ground.

Compaction matters as much as level. Fill that is not packed down in layers settles over time, and a settling pad cracks slabs. The pad is built up in controlled layers and trimmed back to the marked levels.

On a block that has just been bought, rubble removal comes first. Old slabs, dumped fill and rubbish are removed, and the spoil (the surplus soil and waste) is carted away so the builder has clean ground to work from.

Usually yes, because smaller excavators and skid steers are made for tight suburban access. In South Toowoomba a backyard is often reached by a narrow side path beside the house, and on sloping ground the fall down that gap matters as much as its width.

What decides it is the narrowest point on the way in, the steepness of the side path, overhead wires, and how much room there is to turn. Those get looked at when the job is priced, so the machine chosen fits the site rather than being the biggest one available.

Where a machine genuinely cannot reach, hand work or a small tracked unit can still do the job, though it takes longer and the price reflects that.

A written price sets the agreed scope of the dig. Older blocks often hold rock, old pipes or a buried slab, which is why the contractor walks the site before pricing the dig.

The quote can also state how rock is charged. Civwil's South East Queensland pricing lists a rock excavation surcharge of $69 to $99 per m³ ex GST, as at October 2026.

A rate per cubic metre tells you in advance what each cubic metre of rock will cost, even if nobody knows yet how much is down there. You can look up a contractor's licence on the QBCC register before agreeing to anything.