Concrete Slab Removal

Concrete Slab Removal in Mandurah

Concrete doesn't rot, burn or blow away — it sits there until someone breaks it out. Then the ground underneath gets its second chance.

Concrete outlives everything around it

The shed rusted away in 2005; its pad is still there. So is the cracked driveway from the previous owner, the path to a clothesline that's gone, and the odd mystery slab in the back corner. On Mandurah blocks being cleared for a rebuild, subdivision or a new shed, the concrete is often the last stubborn thing between "nearly done" and a genuinely clean block.

Slab removal is exactly what it sounds like: break it, load it, cart it, and leave the ground level.

How a slab comes out

  1. Check what it is. Thickness, reinforcement, and what's underneath. Driveways at 100 mm with mesh are quick; old house slabs with footings and edge beams are a heavier dig. Anything with services still live underneath — water, power to a shed — gets located and dealt with first.
  2. Break it. An excavator with a hydraulic hammer does the bulk of it. Where the slab butts a wall, fence or slab that's staying, the edge is saw-cut first so the break stops where the scope says it stops.
  3. Load and sort. Concrete out, steel mesh and rebar separated for scrap. Keeping the loads clean is what keeps the tip fees down.
  4. Recycle. Clean concrete goes to crushing yards and comes back into the world as road base — cheaper to tip and better all round than landfill.
  5. Level the base. The exposed ground is graded and left ready: compacted for a new slab, or simply levelled if it's going back to lawn.

Mandurah's sandy ground is kind to this work — slabs tend to lift cleanly rather than clinging to clay — but the same sand means edges undermine easily, so breaking near retained paving or footings is done with some patience.

The jobs this usually belongs to

Rarely is a slab the whole story. Driveway out for a new crossover and double garage. Shed pad out after a shed or garage demolition, so the corner of the block is actually reusable. Old pool surrounds and bond beams out as part of a pool removal. House slab and footings out as the final stage of a knockdown. Pricing the concrete into the bigger job means one machine mobilisation — almost always cheaper than a separate visit later.

One flag for older blocks: sheet flooring or packing under old slabs and pads, and the fragments that turn up in fill, can be asbestos-era material. If anything suspect shows up, that part of the job stops for testing — licensed removal is a separate stage, covered on our asbestos removal page.

Priced by the break, not the guess

Concrete removal quotes turn on thickness, reinforcement, access for the machine and trucks, and cartage distance. Get it fixed, in writing, with tip fees included — typical Mandurah ranges are on the costs page.

Call (08) 9516 2266 with the rough dimensions and what's going in its place, and we'll connect you with contractors who'll quote the removal and leave the ground ready for it.

More services

Explore our other services

House Demolition

Full knockdown of an existing house down to a cleared, level block, ready for your new build.

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Partial Demolition & Strip Outs

Partial demolition and internal strip outs for renovations, extensions and rooms taken back to the frame.

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Pool Removal

In-ground pool removal and backfill, with the site left compacted and ready to landscape or build over.

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Site Clearing

Clearing of vegetation, sheds, fencing and old structures to leave a clean, buildable block.

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Shed & Garage Demolition

Take-down and removal of sheds, garages and outbuildings, including the concrete pad underneath.

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Asbestos Removal

We connect you with licensed asbestos removalists for safe testing and removal — this is a licensed job, not a DIY one, so we don't provide how-to advice.

Learn more →
FAQs

Frequently asked questions

How thick is a typical residential slab, and does it matter?

Driveways and paths around Mandurah are usually 100 mm of concrete, often with mesh; house slabs run 100 mm and thicker, with footings and edge beams that go deeper again. Thickness and reinforcement drive the price more than area does — a mesh-reinforced driveway breaks and loads much faster than an old house slab with substantial footings. A contractor will usually break a test corner or check an exposed edge before locking in a quote.

Where does the broken concrete go?

Clean concrete — free of general rubbish and asbestos — goes to crushing and recycling yards, where it becomes road base and fill, and it's cheaper to tip there than to landfill. Concrete mixed with soil, timber and rubbish costs more to dispose of, which is a good reason to keep demolition waste sorted as it comes up. Either way, cartage and tip fees should be inside the written quote, not added afterwards.

Can a new slab go where the old one was?

Yes, and it's the most common reason for the job — but the new slab is only as good as the ground under it. Once the old concrete and any soft or contaminated material under it is out, the base gets levelled and compacted to suit what's coming: sand pad for a shed, engineered base for a garage or granny flat. Tell the contractor what's being built so the ground is finished to that standard, not just tidied.

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