Quick answer
A final clean on a standard three-bedroom house typically takes 8 to 14 man-hours — roughly one day for a two-person crew. A small apartment runs about four to eight hours; a mid-size office a full day or more; a large commercial floor two to three days with a bigger team. The number that matters isn’t “days” though — it’s man-hours, because crew size is what turns 16 hours of work into two days or half a day.
“How long will you be on site?” is usually the second question a builder asks, right after price. It’s also the one most quotes answer badly because “a day” means nothing without knowing how many people are in the van.
Why “how long” is the wrong question
A builders clean is measured in man-hours — the total labour the job requires. Elapsed time is just man-hours divided by crew size.
Take a three-bedroom house at 12 man-hours. That’s a day and a half for one cleaner, one day for two, or half a day for three. Same job, same quality, three different answers to “how long does it take?”
This matters for two reasons. First, if you’re working back from a handover date, you need to know whether the crew can physically finish in the window you’ve left them. Second, when you compare two quotes that both say “one day,” one might be sending two people and the other four — and that difference shows up in the finish, not the invoice.
So the question to ask is: how many man-hours, and how many crew?
Typical durations
These are the ranges commonly published across Australian industry guides. Treat them as planning figures rather than a quote — site condition moves them significantly.
| Project | Typical duration |
|---|---|
| Small apartment or unit | ~4 – 8 hours |
| Standard three-bedroom house | ~8 – 14 man-hours (about a day for two cleaners) |
| Larger home, around 185 m² | ~16 – 20 man-hours |
| Mid-size office or fit-out | A full day or more |
| Large commercial floor, around 900 m² | 2 – 3 days with a larger crew |
| Multi-storey or staged commercial | Multiple visits across several days |
Note these are for the detailed final clean. A rough clean earlier in the build is quicker; a touch-up after defect work is quicker still. If you need all three, budget time for all three.
How long each stage takes
Rough clean
The quickest of the three, because it’s about clearing rather than detailing — debris out, heavy dust down, floors swept and vacuumed. On a typical house it’s often a few hours. Its real value is time saved later: a site that’s been rough-cleaned takes noticeably less time to finish.
Final clean
The longest by a wide margin, and where all the durations in the table above apply. Glass, tracks, joinery interiors, fixtures, skirting boards and multiple dust passes are what consume the hours.
Touch-up clean
Usually one to three hours on a house — spot-cleaning, glass and floors after defect work. Short, but skip it and settled dust from the punch-list trades is what your client sees at walkthrough.
For when each of these should sit in your programme, see the building handover cleaning schedule.
What makes a clean take longer
Two sites of identical floor area can differ by a full day. The usual culprits:
- Glass. The single biggest time sink. A floor-to-ceiling glazed apartment can take twice as long as the same area with standard windows — and paint overspray or silicone on the glass adds hours again.
- Debris left behind. If the crew is bagging offcuts and packaging before they can start cleaning, you’re paying labour rates for rubbish removal.
- Ceiling height. Vaulted and double-height spaces add access equipment and slow every pass, without adding a square metre to the plan.
- Delicate finishes. Stone, raw timber and tinted glass have to be worked slowly with specific products.
- Trades still on site. The worst one. Blocked rooms mean waiting, and re-contaminated rooms mean cleaning twice.
- No power or water. No vacuums, no hot water, no lighting in internal rooms — straight downtime.
These same factors drive the price, which we break down in what a builders clean costs in Australia.
Why compressing it backfires
The temptation, when a programme slips, is to squeeze the clean into the morning of handover. It rarely works, for a reason that’s physical rather than commercial: dust keeps settling.
Fine particles stay airborne for hours after any disturbance. Clean a room while the last trade is still drilling next door and you’ll be cleaning it again. Professional crews plan several dust passes across two to three days for exactly this reason — not to pad the invoice, but because a single pass genuinely doesn’t hold.
Adding crew helps up to a point, then stops. Six people in a three-bedroom house get in each other’s way, and you can’t parallelise a top-down sequence indefinitely — the ceilings have to be done before the floors, whoever’s doing them.
A rushed clean typically reappears as defect-list items, which is the pattern behind most post-construction cleaning delays.
How to shorten it legitimately
You can genuinely cut the hours — just not by rushing the crew:
- Make debris removal each trade’s own job in their subcontract. Biggest single saving available.
- Book a rough clean mid-build. It costs a few hours and saves more than that later.
- Give the crew a clear site. One empty day beats two days working around trades.
- Have power and water connected before they arrive.
- Leave the air conditioning off until the final clean is finished, or vent dust recoats everything and you start over.
- Use a checklist so nothing is missed and re-done — ours is here.
Frequently Asked Questions
A standard three-bedroom house is typically 8 to 14 man-hours — about one day for a two-person crew. A larger home around 185 m² runs closer to 16 to 20 man-hours.
A mid-size office is usually a full day or more. A large floor around 900 m² typically takes two to three days with a bigger crew, and multi-storey projects are often cleaned in stages across several visits.
On a house with an adequate crew, yes. But compressing a detailed clean into the morning of handover rarely works, because dust keeps settling for hours after any disturbance — so a single pass doesn’t hold.
Glass, by a wide margin. Windows, frames and tracks are the slowest part of any final clean, and paint overspray or silicone on the glass adds hours again.
Make debris removal each trade’s responsibility, book a rough clean mid-build, give the crew a clear site with power and water connected, and leave the air conditioning off until the final clean is done.
Get a duration and a price for your site
Send your floor plans, a few site photos and your handover date to final@spruces.co, or call 1300 940 202. You’ll get back a fixed price with the man-hours and crew size stated, so you can plan your programme around it. No site visit needed.
