Render, brick, metal cladding and precast washed at low pressure, by rope access or boom lift. Two technicians minimum, from $1,320 per building.

Facade cleaning is priced by the building, not by the square metre. A wash starts at $1,320 with two technicians on site, and the figure moves with height, access and what the walls are made of.
Building washing here covers render, texture coat, painted cladding, face brick, precast concrete and metal sheeting, on offices, apartment blocks, hotels and strata-managed buildings. Low pressure and a cleaning solution do the work. We clean the surface. We do not paint it, patch it or re-coat it.
Below three storeys a building can usually be reached from the ground. Above that it is a boom lift or rope access, and that one decision, more than the size of the wall, is what sets the price.

Nothing closes. Offices trade, guests check in, residents come and go, and the wash works around all of it. A building wash is planned around the building's day rather than around the crew's.
Where a strata is a row of single-storey villa units rather than a building, the work and the pricing sit on house washing instead.

Render cleaning is the most common request on this page and the least forgiving job on it. Acrylic render is a thin coloured coat over a soft base. Pressure that a concrete driveway would shrug off cuts a line straight through it, and that line never blends back in. Render comes clean with solution, contact time and a rinse, and with nothing else.
Where a building has a glass and aluminium curtain wall, the glazing is done in the same visit, and that side of the work is high-rise window cleaning. Tagging is different again: a different product and a different method, quoted on its own as graffiti removal.
Most of the facade damage we get asked to look at was done by a cleaner rather than by weather. The same six failures come up, and every one of them costs more to put right than the wash cost in the first place.
None of that is exotic. It is what happens when a method built for driveways gets pointed at a wall, and it is the reason a facade quote reads differently from a concrete quote.
A facade cleaning quote carries one fixed number and that is the minimum. Everything above it is quoted after somebody has looked at the building, because two buildings of the same size can sit thousands apart once the access is worked out.
from — two technicians, one day, an elevation within reach from the ground
The minimum includes GST, the cleaning solution, ground protection and the crew. Boom lift hire, traffic management and any permit for a footpath closure are quoted as separate lines, so you can see what is access and what is washing.
Seven things move a facade quote, and square metres is not the first of them. Two buildings with identical wall area can sit thousands apart once you work out how a technician gets to the wall.
The quote lists these separately rather than folding them into one rate, so a committee comparing two prices can see where the difference actually sits.

There are three ways to reach a wall, and the building picks which one, not the crew and not the budget. Getting that decision right before the quote is written is most of the job.
Whichever one it is, a ground zone goes in underneath before the first drop of water. Cones, signage, and a spotter wherever the public keeps walking past.

The first day starts before any water. We walk the elevations, note what is loose or already damaged, bag or tape whatever cannot get wet, and confirm the access plan with whoever manages the building.
Then the wash. Solution goes on from the bottom up, so nothing runs down a dry wall and streaks. It sits while it works. It comes off from the top down at low pressure. Windows and sills take the run-off, so glazing is cleaned after the walls and never before them.
On a tower the work runs elevation by elevation and band by band, which is why a large building is measured in weeks. Three towers on Gladstone Street in South Melbourne took a crew of four around three weeks between them.
Each face is finished before the crew moves to the next one, so a building is never left half-washed over a weekend with the line showing from the street.
Dried ivy stripped off the walls of a house on Lodge Street, St Kilda West, in January. Pulling the growth down is the quick part — what it leaves behind is the job.
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Common walls, shared cost, and a photo record for the file. Usually scheduled rather than reactive, because on a shared building nobody owns the decision until the complaints start.
The wall is the first thing a customer reads about the tenant. These jobs are often out of hours, because the entrance cannot be wet at nine in the morning.
Occupied the whole time, so the work is planned around guest windows and balconies rather than around the crew. Rope access usually, lifts rarely.
New render and new cladding come out of a site covered in construction film. It has to be off before the keys change hands, and the deadline is somebody else's settlement date.
A committee does not buy the way an owner does. The quote goes to a meeting, sits beside two others, and has to be readable next to both of them.
So the scope is written to be read: which elevations, which surfaces, what access, how many days, and what is excluded. Certificates of currency go out with it rather than after it. If the building needs a notice to residents about closed windows and wet paths, we write that too and the committee sends it.
Wall cleaning services on a strata building are also the easiest thing in this trade to under-scope. A quote that covers the street elevation and quietly leaves the laneway out will always look cheaper on the page. Ours names every face, including the ones nobody photographs. Wall cleaning services written that way take longer to put together and are a great deal harder to argue with afterwards.
Cleaning render is a chemistry job with a time limit, not a pressure job. The solution does the lifting, the wall holds it long enough for that to happen, and the rinse is soft enough to take off the growth and leave the coat.
It is a fair question to put to any render cleaner before they start: what pressure, and why that pressure. An answer that opens with a number rather than with the condition of the coat is the wrong answer.
Two things go wrong. The wall dries before the solution has done anything, which happens on a hot north face and is handled by working in sections and at the right end of the day. Or the solution is left too long on a coat that is already chalking, and the colour comes away with the dirt.
So an old wall gets a patch tried somewhere the street cannot see it, and we say up front when a wall is past washing and into repainting. We do not paint or patch render, so there is nothing in it for us to pretend otherwise. Cleaning render on a mid-rise is the same judgement call as on a house, made off a rope instead of a ladder.
Most buildings get washed when somebody complains. A tenant sends a photo, an agent gets a call, the committee moves. By then the growth has had a full season and the wash takes longer than it needed to.
On a cycle it is a smaller job every time. A building washing schedule set once and repeated costs less per visit than the same building cleaned reactively, because the crew is taking off a film rather than a colony.
How often depends on the aspect more than on the calendar. A south elevation that never sees sun, a wall under trees, or a building near the bay where salt sits on everything will all come due sooner than a dry north face two suburbs inland.
There is no building washing rule we can hand you from a desk. Ask at the end of a job and we will tell you what the wall looked like underneath and what that means for timing.
Because a facade takes two technicians and a day whatever its size. Nobody works at height alone, and the second person is on the ground managing the zone underneath. A half-day rate on a building does not exist.
On precast concrete and hard paving, sometimes. On render, texture coat, brick and cladding, no. The solution does the work and the rinse only carries it away.
Sound paint is fine. Paint that is already chalking or lifting will show it, which is why an old coat gets a test patch first and why we say so before starting rather than afterwards.
Yes, and on retail and hotel frontages it is usually the only way. It is quoted at a different rate and it needs the building to arrange access.
We assume one. If the building has no usable outlet we bring water, and it appears on the quote as its own line rather than inside the rate.
They take the run-off from the walls, so glazing is cleaned after the facade rather than before it, in the same visit. On a fully glazed tower that part is quoted as high-rise window cleaning.
Yes, and the certificates of currency go out with every facade cleaning quote rather than being produced later. Rope access work is done by technicians trained for it, not by whoever is free that week.
A building wash on a low-rise in reach from the ground is a day. A mid-rise on a lift is several. A tower on ropes runs into weeks: three towers in South Melbourne took a crew of four around three weeks.
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.