Bluestone, concrete pavers, tile and natural stone. The joints matter as much as the faces, and blasting them out is how pavers start to move.

Paving goes off from the joints outward. Growth starts in the sand between the units, spreads across the faces, and by the time the whole area reads as green the roots have been in the joints for two or three seasons.
That is why the joints decide the job. Clean the faces and leave the joints and it is back by the next wet winter; empty the joints to get it all and the pavers lose their lock and start rocking under foot.
Paving cleaning starts at $220 including GST, which is also the minimum call-out. What moves it from there is the size of the area and what it is made of.


| What goes wrong | What causes it | What it costs | How to prevent it |
|---|---|---|---|
| Pavers rocking and edges lifting | Joint sand blasted out and never topped back up | Lifting and relaying the affected areaNo published figureTrade experience, no published figure | Surface cleaner held flat, then the joints re-sanded |
| Bluestone left with wand marks | Concrete pressure used on a softer natural stone | Permanent. The marks are in the face of the stoneNo published figureTrade experience, no published figure | Lower pressure on natural stone, product does the work |
| Travertine or limestone etched | An acidic product chosen for concrete used on soft stone | Permanent. A dull patch that later cleaning cannot liftNo published figureTrade experience, no published figure | Match the product to the stone, never to the job before |
| Grout washed out from between tiles | A jet aimed into the grout line rather than across it | Regrouting an area that only needed cleaningNo published figureTrade experience, no published figure | Work across the joints, not into them |
| Coloured pavers gone patchy | Pressure on a surface finish that carries the colour | The whole area recoated to get an even look backNo published figureTrade experience, no published figure | Treat a finished paver as coated, not as concrete |
| Growth back by the next winter | Faces cleaned while the joints were left alone | The same job again, a season laterNo published figureTrade experience, no published figure | Clear the joints as part of the clean, not after it |
Sources
No published dollar figure exists for any of these on a Melbourne paved area, so none is quoted. Every row is trade experience and says so in the row.

Patio cleaning starts at the border rather than in the middle. Growth arrives from the garden bed, from the lawn edge and from the gap along the wall, and an area cleaned inside its own perimeter is being cleaned from the wrong direction.
So the run covers the paved area, the steps, the edge where it meets planting and the threshold where it meets the house. On a courtyard that boundary is most of the perimeter, which is why a small area is rarely as quick as its square metres suggest. Joints are topped back up as part of that rather than charged after it.
Sealing is not part of the job and is not something we take on. It is a separate trade with its own products and its own warranty, and it wants a surface that has been dry for days rather than hours. Cleaned first, sealed later, by somebody who does that for a living.
Three other things sit outside it:
If the wash uncovers a paver that has lost its bed, or grout that has already failed, you get a photograph and a plain description. It was under the growth before we arrived.
Paved areas are priced by size and by what they are made of. Concrete and standard pavers are the quickest; bluestone, tile and soft natural stone take longer because the method is gentler.
from — faces, edges and joints
from — faces, edges and joints
from — softer stone, slower method
All prices include GST, and $220 is the minimum call-out as well as the smallest job. Joints are cleared and topped back up as part of the work rather than charged as an extra.
Concrete pavers cleaning is the straightforward end of this work. The units are dense, the colour is usually through the body rather than on the surface, and they take a real working pressure without complaint.
The exception is coloured or through-coloured concrete with a surface finish on it. That finish is the look, and it strips as easily as stencilled concrete on a driveway does.
Cleaning outdoor pavers made of natural stone is a different conversation. Bluestone, sandstone, limestone and travertine are all softer than concrete and all more absorbent, and the ones with a honed or sawn face show every mark the machine leaves.
Travertine and limestone are the two that punish acid. A product chosen for concrete will etch them, and the etch is a dull patch that no later cleaning removes.
So a single price for every paved surface is a warning rather than a convenience. Anyone quoting the same rate for bluestone and concrete has decided in advance to treat them the same way.
And if what you actually want done is the driveway rather than the paving around the house, that is a different job on its own page. Same machine, different surface, different price.


Concrete cleaned on Hotham Street, St Kilda East, in the first week of July. Mid-winter is when concrete looks worst here: it never gets a chance to dry out.
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A tiled backyard on Victoria Avenue, Ripponlea, on a gloss finish rather than a matte one. Two and a half hours, one technician.
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A whole backyard cleaned on St Helen's Road, Hawthorn East, in September, at the end of the winter growing season when paving looks worst.
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A paved area on Fuller Road, Ripponlea, green across the whole surface. Dense matte tile, most likely porcelain, laid tight with narrow joints that had filled with growth.
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Tiled paving on Were Street, Brighton, cleaned in July 2025. The tile itself was in good order — it was the grout lines between them doing all the damage to how it looked.
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A body corporate block on Ruskin Street, Elwood, kept on a standing cleaning arrangement rather than booked when someone complains. Driveway, rear patio and the paths between them, all of it in a single day.
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Usually noticed in the first properly wet month. The surface has not got dirtier, it has got damper, and the film that was always there is now holding water.
Outdoor living is what the listing photographs sell, and a green patio makes a good house look neglected in the one shot buyers look at longest.
Three or four years of growth in the joints, and the owner stopped seeing it. This is the one where the joints decide whether the result lasts.
Foot traffic all day, a duty of care about what people walk on, and work that has to happen outside opening hours.
Not if the joints are handled properly. Movement comes from sand blasted out and never replaced, which is why the joints are cleared with a flat surface cleaner and topped back up rather than excavated.
Yes, and it takes a lower pressure than concrete. Bluestone is softer than it looks and shows wand marks, so on natural stone the product does the work and the water only rinses.
The tile is rarely the problem, the grout is. Grout is porous and holds growth, and it comes clean at a pressure that has to be kept well away from the tile face.
No. Sealing is a separate trade with its own products and warranty, and it needs a properly dry surface. We clean it and leave it ready for whoever does that work.
Years if the growth was removed rather than rinsed off, and one season if only the faces were done. Shade is the other half of the answer: an area under a pergola loads faster than one in the open.
It is often the best time. Growth is at its darkest so you can see the whole problem, and it is soft and actively growing, which means it releases with less product and less time.
Beds against the paving are wet down before anything goes on and rinsed afterwards. Established planting is harder to replace than paving is to clean.
Yes, and they are quoted on the schedule as much as the area. Work happens outside trading hours, and a forecourt done regularly costs less per visit than one left for years and rescued.
Pavement cleaning services for a commercial frontage are a different job to a back patio, and the difference is not the surface. It is who is walking on it and when.
A shopfront pavement or a strata forecourt carries foot traffic all day, which means the work happens early, late or on a Sunday, and the area has to be usable again immediately rather than by tomorrow.
It also carries a duty of care. A slippery entrance is a liability on a commercial site in a way it is not on a private patio, and that is usually the reason a schedule exists rather than a single booking.
What lands on a commercial pavement is different too. Food grease, drink spill and chewing gum near an entrance behave nothing like garden growth, and gum in particular needs its own method rather than more pressure.
These jobs get quoted on the schedule as much as on the area, because the same forecourt cleaned four times a year costs less per visit than the same forecourt left for three years and then rescued.
Pressure washing patios is usually thought of as spring work, booked when the outdoor furniture comes back out. That is the busiest time of the year for it and it is not the best one.
Winter is when the problem is visible. Growth is at its darkest, the surface is damp so the slippery patches are obvious, and the areas that stay wet longest are showing you exactly where the shade sits.
Winter is also when the growth is easiest to kill. It is soft and actively growing rather than dried on, so it releases with less product and less time than the same growth baked hard through February.
The catch is drying. A patio cleaned in July stays wet longer, and if a sealer is going on afterwards, that has to wait for a genuinely dry run of days rather than a dry afternoon.
So the sensible pattern is to clean when it looks worst and seal, if you are sealing at all, when it dries fastest. Doing both in the same week in spring is the most common way sealer ends up trapped over damp stone.
About the expert
Ihor Sydorenko
Founder & Lead Rope Access Technician (IRATA Level 3) — WaterCrew Cleaning
Ihor has worked on ropes since 2013, starting on high-rise facades in Kyiv, where he founded and still runs the rope-access company Альпіністи Київ. He holds IRATA Level 3 — the highest grade in the international rope-access system, covering work supervision, safety planning and rescue.