Polished Concrete Floor Cost in Australia 2026

Polished concrete stopped being a warehouse thing about a decade ago. Walk through a new build in Northcote, a knock-down rebuild on the Gold Coast or a converted terrace in Redfern and there's a good chance the ground floor is a ground-back slab with a sealer on it rather than tiles or boards.

The trouble is that "polished concrete" covers about four different jobs at four different price points, and most quotes don't say which one you're getting. A grind and seal on a garage floor and a fully mechanically polished living area both get sold as "polished concrete", but there's often a $100 per square metre gap between them.

In 2026, polished concrete floor cost in Australia runs roughly $60–$180 per square metre installed, depending on the method, the condition of your slab and how much aggregate you want showing. A basic grind and seal sits at the bottom of that band; a full mechanical polish with exposed aggregate sits at the top.

This guide breaks the price down by method, by room size and by the things that quietly blow the budget — then shows you how to get a ballpark before you start ringing concreters. If your job also involves pouring the slab in the first place, you can size that part up in about a minute with Leadkit's free concreting quote calculator.

Last updated: August 2026

Key takeaways

• Polished concrete floor cost in Australia 2026 is $60–$180 per square metre installed, with most residential jobs landing between $90 and $140/m².
• Grind and seal cost is the cheapest route at $60–$100/m² — one to two days on site, a topical sealer, and a finish that needs recoating every five to ten years.
• Honed concrete floor price sits at $75–$110/m² for a matte, slip-resistant finish that suits alfresco areas, pool surrounds and covered patios.
• Mechanically polished concrete costs $100–$180/m², using a multi-step diamond grit progression and a lithium densifier rather than a coating.
• Small jobs carry a minimum charge of roughly $1,500–$2,500 regardless of area — a 15 m² laundry can cost the same as a 25 m² one.
• Polished concrete vs epoxy cost: epoxy is cheaper upfront (from around $30–$60/m²) but typically needs recoating far sooner; polished concrete is priced for a 20–30 year life.
• The single biggest cost variable isn't the finish — it's what's already on and in your slab: tile adhesive, carpet glue, cracks, moisture and how flat the pour was.

This is a price indication only. Your tradie will confirm the final price after assessing the job.

What's in this guide

• How much does a polished concrete floor cost in Australia?
• Grind and seal vs honed vs mechanically polished — what's the difference?
• What does polished concrete cost for a garage, a room or a whole house?
• What drives polished concrete price per square metre up or down?
• Is it cheaper to polish a new slab or an existing floor?
• Polished concrete vs epoxy cost — which wins over ten years?
• What should be in a polished concrete quote?
• Frequently asked questions
• Final tips before you book a concrete polisher

How much does a polished concrete floor cost in Australia?

A polished concrete floor costs $60–$180 per square metre installed in Australia in 2026, with most residential projects landing between $90 and $140/m². The spread comes down to which of the four common methods you're actually buying, not to the postcode.

Here's how the methods price up.

Methodology and where these numbers come from. The slab-pouring side of that last row is anchored to the default rate card inside Leadkit's own concreting quote calculator — Leadkit builds and maintains that tool, so treat it as our data rather than neutral third-party research. The polishing rates are drawn from Australian concrete-polishing price guides current in 2026 and cross-checked across several published suppliers rather than a single one. Every polisher sets their own rates, and rates move with slab condition.

This is a price indication only. Your tradie will confirm the final price after assessing the job.

Rates don't swing dramatically between capital cities the way, say, bathroom labour does — the machinery and consumables cost the same in Perth as they do in Parramatta. What does move the number is travel to site, how far a crew has to cart 400 kg of grinding gear, and how competitive your local market is. Sydney and Gold Coast jobs tend to sit at the upper end of each band; Adelaide and regional work tends to sit lower, but with a bigger travel allowance tacked on.

Grind and seal vs honed vs mechanically polished — what's the difference?

The difference is whether the shine comes from a coating sitting on top of the concrete or from the concrete itself being ground and hardened. That one distinction explains the entire price gap, and it's the question to ask before you compare a single quote.

Grind and seal means the polisher grinds the slab back with coarse diamond tooling to flatten it and open up the surface, then rolls or sprays a topical sealer over the top — usually a polyurethane or an epoxy. The gloss belongs to the sealer, not the slab. It's fast, it's forgiving of a rough pour, and grind and seal cost lands at $60–$100/m² for a basic residential job. The trade-off: the coating wears in traffic lanes and generally needs stripping and recoating every five to ten years.

Honed concrete stops the process partway. The slab is ground to a flat, matte, low-sheen surface — no mirror, no glare — and sealed with a penetrating sealer instead of a film. Honed concrete floor price runs $75–$110/m². Because it isn't slippery when wet, it's the standard choice for alfresco areas, pool surrounds and covered outdoor rooms across Brisbane and the Gold Coast.

Mechanically polished concrete (you'll see it written as MPC) is the real thing. The crew works through a grit progression — a sequence of progressively finer diamond pads, typically starting around 30 or 50 grit and stepping up through 100, 200, 400, 800 and sometimes 1500 or 3000 — with a lithium silicate densifier applied partway through. The densifier is a chemical hardener that reacts with the free lime in the concrete and turns the top few millimetres of the slab into a denser, harder surface. Nothing sits on top. That's why it's priced at $100–$180/m² and why it's sold on a 20–30 year life.

There's one more decision inside a mechanical polish that moves the price: aggregate exposure level. Grind lightly and you get a "cream" or "cream cut" finish — mostly cement paste, minimal stone. Go deeper and you get "salt and pepper", where the sand and fine stone start showing. Go deeper still and you get full aggregate exposure, where the big river stones in the mix are cut through and become the pattern. Each step down costs more grinding time, more tooling and more risk, which is why full exposure sits at the top of the band.

Not sure which finish suits your space? Send your floor details through the flooring enquiry form — it's a job-details form rather than an instant pricing tool, so a flooring specialist reviews what you've described and comes back to you directly.

What does polished concrete cost for a garage, a room or a whole house?

A single garage at around 20 m² typically costs $1,600–$2,600 to polish, while a 150 m² ground floor lands somewhere between $12,000 and $22,500. Bigger areas earn better per-square-metre rates, because setup, mobilisation and edge detailing get spread over more floor.

This is a price indication only. Your tradie will confirm the final price after assessing the job.

Two things to note about small jobs. First, most concrete polishers apply a minimum job charge — commonly $1,500 to $2,500 — because a crew, a grinder, a vacuum and a day of travel cost the same whether the floor is 12 m² or 30 m². Leadkit's concreting quote calculator ships with a $1,500 minimum job fee as its default, and the slab calculator with $2,500, for exactly that reason. If you're polishing one small room, expect the effective per-m² rate to look ugly.

Second, tiny rooms are all edges. Edge and corner work is done by hand with a smaller machine and takes disproportionate time, so a long thin hallway costs more per square metre than a square living room of the same area.

What drives polished concrete price per square metre up or down?

What's already on and in your slab moves the price more than the finish you choose. A polisher can quote a floor sight-unseen, but the honest ones don't — because the slab underneath decides half the labour.

These are the allowances that commonly get added. Treat them as planning ranges, not a price list.

A few of these deserve unpacking.

Slab flatness is the sleeper cost. If the original pour has high spots, the grinder has to take the whole floor down to the level of the lowest usable point. On a badly finished slab that can double the grinding passes. This is also why a floor that was poured with polishing in mind is cheaper to polish than one that wasn't.

Moisture vapour transmission (MVT) is the technical term for water moving up through the slab from the ground below. It matters because a topical sealer can bubble, cloud or lift if it's applied over a slab that's still gassing off. If there's no vapour barrier under the slab, or the pour is recent, expect a moisture test and possibly a barrier coat before anything else happens.

Old floor coverings are their own job. Lifting tiles and grinding off the adhesive bed is often quoted as a separate line — and if you're comparing your options at that point, it's worth pricing the alternative: our floor tiling cost per square metre guide covers what re-tiling the same area would set you back.

Want a ballpark on the concreting side before you call anyone? Browse the concreting calculators and get an indicative figure in under a minute — no signup, and the number is a guide, not a quote.

Is it cheaper to polish a new slab or an existing floor?

Polishing an existing slab is cheaper as a standalone job, but polishing a new slab you were pouring anyway is the cheapest way to end up with a polished floor. The reason is that you're not paying twice for preparation.

Here's the arithmetic on a new pour, using the default rate card that sits inside Leadkit's own concreting quote calculator. For a standard 100 mm residential floor slab with steel mesh and typical excavation, the defaults are a $90/m² base rate for plain concrete, $5/m² for SL72 or SL82 steel mesh (the welded reinforcing sheet that stops the slab cracking apart as it shrinks), and $25/m² for standard dig-out and compaction. That's about $120/m² before anything decorative happens. Add a mechanical polish at $100–$150/m² and you're at roughly $220–$270/m² all up.

Two more defaults in that calculator worth knowing: thickness costs about $5/m² for every extra 10 mm over 100 mm, and if the truck can't reach the pour, a concrete pump surcharge of around $600 applies as a flat fee. On a 40 m² floor that pump is $15/m² on its own.

We build and maintain the rate cards behind those calculators, so we can tell you exactly what's inside one: a base per-m² rate, a thickness step, a reinforcement rate, an excavation rate, a pump surcharge and a minimum job fee. Polishing sits on top of all of it — and it's the line homeowners most often forget to ask about when they're comparing slab quotes.

Roughly one in three of the 90 quote calculators in Leadkit's library prices work by the square metre, and concreting is one of them. That's not an accident: m² pricing is how the trade actually thinks, which is why arguing about the rate rather than the total is the more useful conversation to have with your concreter.

If you're at the slab stage, size it up with the concrete slab cost calculator before you commit to a finish. Tell your concreter at the quoting stage that the slab will be polished — it changes how they place the mesh, where they put the saw cuts, and how carefully they trowel the surface. Retrofitting that decision after the pour costs real money.

This is a price indication only. Your tradie will confirm the final price after assessing the job.

Polished concrete vs epoxy cost — which wins over ten years?

Epoxy is cheaper to install and polished concrete is cheaper to own. On polished concrete vs epoxy cost, a standard epoxy floor coating starts around $30–$60/m² for a plain residential garage, against $100–$180/m² for a mechanical polish — but the comparison changes once you put a decade on the clock.

Epoxy is a coating. It sits on the slab as a film, it can be tinted any colour you like, it's genuinely excellent in a garage or a workshop where you're dealing with oil and chemicals, and it can be installed fast. What it does over time is chalk under UV, scratch under grit, and eventually peel or delaminate where moisture gets underneath. In a residential garage you'd typically be looking at a recoat somewhere in the five to ten year range.

Mechanically polished concrete has nothing to peel, because there's no film — the hardness is in the slab. Properly installed and maintained, polished concrete floors are commonly quoted at 20–30 years, and in a home they'll often outlast the reason you renovated in the first place. Maintenance is a neutral-pH mop and an occasional re-buff.

The honest verdict:

• Garage, shed or workshop with chemical spills: epoxy usually wins on cost and on chemical resistance.
• Living areas, kitchens, retail or anywhere it'll be looked at: mechanically polished concrete wins on longevity and on look.
• Rental, flip or short holding period: grind and seal splits the difference at $60–$100/m².

Worth comparing against the other flooring options while you're at it — our timber flooring cost guide covers where boards land per square metre in 2026, which is the comparison most people are actually running in their head.

What should be in a polished concrete quote?

A proper polished concrete quote names the method, the grit progression, the aggregate exposure level, the sealer product and what happens if the slab isn't what everyone assumed. If a quote just says "supply and polish 85 m² — $9,000", you can't compare it to anything.

Ask for these in writing:

1. The method, spelled out — grind and seal, honed, or mechanically polished. Not just "polished".
2. Aggregate exposure level — cream, salt-and-pepper, or full exposure, ideally with a sample panel done on your actual slab.
3. The grit progression and how many passes. More steps means more labour and a better result.
4. The densifier and sealer products by name, and the expected maintenance cycle.
5. A variation clause stating what happens if the slab needs extra grinding, crack repair or moisture treatment — and at what rate.
6. Dust control — see below.
7. Payment terms, GST and a start window.

On dust: grinding concrete generates respirable crystalline silica, and this is the part of the job with genuine health consequences rather than just cosmetic ones. Safe Work Australia sets the workplace exposure standard for respirable crystalline silica at 0.05 mg/m³ averaged over an eight-hour shift, and controls including on-tool extraction and H-class vacuums are the standard way of meeting it. A polisher who turns up with an M-class shop vac and no plan is telling you something about how they run every other part of the job too.

On contracts and licensing: in NSW, residential building work above $5,000 including GST requires a written contract, and licensing requirements are set out by NSW Fair Trading — check the equivalent body in your state, such as the VBA in Victoria or the QBCC in Queensland. Ask for the licence number and check it. The Housing Industry Association and Master Builders Australia both publish member directories if you want a starting shortlist.

On timing your build: construction input costs have been the story of the last few years, and the Australian Bureau of Statistics publishes the producer price indexes that track exactly that. Worth a glance if you're deciding whether to do the floor now or in six months.

Frequently asked questions

Q: How much does polished concrete cost per square metre in Australia?

A: Polished concrete costs $60–$180 per square metre installed in Australia in 2026. A basic grind and seal is $60–$100/m², honed concrete is $75–$110/m², and full mechanical polishing runs $100–$180/m² depending on how much aggregate you want exposed. Most residential jobs land between $90 and $140/m². Larger floors earn better rates because setup and travel get spread further, and jobs under about 25 m² usually attract a minimum charge of $1,500–$2,500. If you're pouring the slab too, price that half of the job separately — the slab and the polish are two different trades with two different rates.

Q: Is grind and seal cheaper than polished concrete?

A: Yes — grind and seal cost is typically 30–45% lower than a full mechanical polish. You're looking at $60–$100/m² against $100–$180/m². The saving comes from labour: a grind and seal is one to two days on site with fewer grinding passes and a sealer rolled on top, while a mechanical polish is three to five days working through a full diamond grit progression. The trade-off is lifespan. The sealer on a grind and seal wears in traffic lanes and generally needs stripping and recoating every five to ten years, whereas a mechanical polish is priced on a 20–30 year life with no recoating.

Q: How much does it cost to polish a garage floor?

A: A single garage of around 20 m² costs roughly $1,600–$2,600 to polish, and a double garage of about 40 m² costs $3,200–$5,200, depending on whether you go grind and seal or mechanically polished. Garages are the one space where it's genuinely worth considering epoxy instead — a standard epoxy coating starts around $30–$60/m² and handles oil and chemical spills better than a polished surface does. If the slab has been sitting under a car for twenty years, budget for oil-stain treatment before anything else happens.

Q: Is polished concrete cheaper than tiles or timber?

A: It's usually comparable upfront and cheaper over time. Polished concrete at $100–$140/m² sits in similar territory to mid-range tiles installed and slightly below engineered timber, but it doesn't have grout to reseal, boards to re-coat or a subfloor to build. The catch is that polished concrete only makes sense where a slab already exists or is being poured — you can't retrofit it onto a suspended timber floor. Price the tiling alternative per square metre before you decide — installed tile plus adhesive and grout usually lands closer to polished concrete than people expect.

Q: How long does a polished concrete floor last?

A: A mechanically polished concrete floor commonly lasts 20–30 years or the life of the building, because the hardness is chemically built into the slab by the densifier rather than sitting on top as a coating. Grind and seal is a different story — the topical sealer is a consumable and typically needs stripping and recoating every five to ten years depending on traffic. Either way, maintenance is straightforward: sweep or dust-mop regularly so grit doesn't act like sandpaper underfoot, and mop with a neutral-pH cleaner rather than anything acidic.

Q: Can you polish an existing concrete slab that's under carpet or tiles?

A: Usually yes, but the price depends entirely on what comes off and what's underneath. Lifting tiles and grinding off the adhesive bed adds roughly $15–$40/m² before the polishing starts, and carpet glue can be worse than tile adhesive. Once it's exposed you may find patched service trenches, colour variation between pours, or cracks that need epoxy filling at $15–$40 per lineal metre. Always get the polisher to lift a small test section first. A slab that looked promising under the carpet can turn out to be three different concretes stitched together.

Q: How long does the job take, and do we need to move out?

A: A grind and seal on a typical room takes one to two days; a full mechanical polish takes three to five days, and longer for large or complex floors. The space needs to be empty and sealed off from the rest of the house, because even with H-class extraction and on-tool dust control there's fine dust in the air. Sealers and densifiers also need cure time before furniture goes back — usually 24 to 72 hours depending on the product. Most families stay put and shut the doors, but if the polished area is the kitchen you'll want a plan.

Q: Does a polished concrete floor need sealing or re-polishing later?

A: Mechanically polished floors don't need re-sealing, but they do benefit from a re-burnish with a fine pad and a guard coat every few years in high-traffic areas — think a few hundred dollars rather than a re-do. Grind and seal floors do need genuine maintenance: the topical sealer wears through in traffic lanes and needs stripping and recoating on a five to ten year cycle, which costs a meaningful fraction of the original job. Factor that into the comparison before you choose the cheaper option. If you're still at the slab stage, our concrete slab cost per square metre guide covers the pour itself.

Final tips before you book a concrete polisher

Get three quotes, and make sure all three are quoting the same method. This is the whole ballgame. A $7,000 grind and seal and an $11,000 mechanical polish on the same 85 m² floor aren't competing quotes — they're two different products, and the cheap one isn't a bargain if you wanted the expensive one.

A short checklist to run before you sign anything:

• Ask for a sample panel on your actual slab. A square metre ground back tells you more about what your floor will look like than any photo gallery. Every slab has a different mix and different aggregate.
• Get the aggregate exposure level in writing. "Salt and pepper" means different things to different polishers, and it's the number one source of disappointment on finished jobs.
• Have the moisture question answered before, not after. If your slab is recent or there's no vapour barrier underneath, a moisture test costs very little and prevents a sealer failure that costs a lot.
• Check the licence and the insurance with your state regulator before work starts.
• Ask what happens to your skirtings and cabinetry. Edge grinding runs right up against them, and someone needs to have decided who's responsible for the damage.
• Tell your concreter early if a new slab is going to be polished. Saw-cut placement, mesh depth and trowel finish all change, and it costs nothing to plan for at the pour.

Polished concrete floor cost in Australia comes down to two decisions: which method you're buying, and what condition your slab is in. Get clear on both and the quotes suddenly become comparable.

Want a ballpark before you start ringing around? Browse Leadkit's free quote calculators — they take about a minute, there's no signup, and you'll walk into the conversation knowing roughly what the numbers should look like. Results are an indication only; your tradie will confirm the final price after assessing the job.