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Deep Cleaning

Deep Cleaning near you

A deep clean is the visit that reaches everything a standing round never touches: inside the oven and the rangehood, behind and under appliances, the tracks of sliding doors and flyscreens, skirtings, door frames, light fittings, the inside of cupboards, and the soap scum and mineral scale that have bonded to a shower screen over years. It is booked before a party, after an illness, at the start of a tenancy, before a sale, or simply because the house has drifted.

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The thing people underestimate is what a deep clean actually involves chemically. Ordinary weekly cleaning is mostly detergent and water. A deep clean brings caustic oven products, acid-based scale and grout treatments, solvent-based adhesive removers and concentrated sanitisers into a house that has children, pets and an unventilated bathroom in it. When that work is done by a business, those products are workplace hazardous chemicals and they carry obligations. SafeWork NSW requires that hazardous chemicals are always properly labelled, even after they have been transferred from the original container, that a current safety data sheet is obtained before any hazardous chemical is used, and that a register of chemicals used, stored and handled is kept with the current safety data sheet for each one.

That matters to a householder for a blunt reason. The safest deep clean is the one where the person doing it can tell you what is in the bottle.

What a deep clean reaches that a weekly round does not

  • Oven interior, racks, trays and the door glass, plus the cooktop drip trays and the rangehood filters.
  • Behind and underneath the fridge, the washing machine and the dishwasher, where dust, grease and water marks collect out of sight.
  • Shower screens and tiles down to the scale and soap scum, and the silicone junctions where mould has taken hold.
  • Sliding door and window tracks, flyscreens and security screens, which in Australian houses fill with grit and insect debris.
  • Skirtings, architraves, door frames, switch plates and the tops of doors.
  • Inside cupboards, drawers, the pantry and the linen press, which is time-consuming rather than difficult.
  • Light fittings, ceiling vents and exhaust fan covers, where these are safely reachable.
  • Walls where marks have accumulated, keeping in mind that paint finish decides how much can be done without damage.

The chemicals a deep clean brings into your house

SafeWork NSW describes the GHS as a single internationally agreed system of chemical classification and hazard communication through labelling and safety data, and notes that a new system of chemical classification and hazard communication came into effect in NSW in 2017. That is why the label on a commercial cleaning concentrate looks nothing like the label on a supermarket spray: the pictograms, signal words and hazard statements are a regulated language, not marketing.

The duties that come with those products are practical and they are easy to check. SafeWork NSW says to make sure hazardous chemicals are always properly labelled, even after they have been transferred from the original container; to get a current safety data sheet before you use any hazardous chemical, and to make that information available to workers and emergency personnel on request; and to keep a register listing the hazardous chemicals used, stored and handled at the workplace, including the current safety data sheet for each chemical, accessible to everyone affected.

So the simplest question you can ask a deep cleaning business is the one that reveals the most: what are you using in the oven and the shower, and can I see the safety data sheet? A business that can answer without hesitating is a business that has thought about your bathroom having no window. A cleaner working from three unlabelled spray bottles decanted from a drum has already failed the labelling rule.

Keeping a household safe while strong products are in use

  • Ask which rooms will have strong products in them and keep children and pets out of those rooms while the work is done and while surfaces dry.
  • Open windows and run the exhaust fan in bathrooms and kitchens, because these are the two rooms with the strongest products and the worst ventilation.
  • Never let products be combined or topped up into each other's containers; healthdirect's advice for households is to label all cleaning products and keep them in their original containers.
  • Keep cleaning products, medicines and other dangerous substances in childproof locked cupboards well above floor level, which healthdirect recommends at 1.5 metres above the ground.
  • Tell the cleaner about asthma, allergies or chemical sensitivity in the household before the visit, not when someone starts wheezing.
  • Flag any surface with a finish warranty, including engineered stone, natural stone, polished timber and powder-coated aluminium, so an acid or caustic product is not used on it.
  • Have a plan for pets: a closed door is usually enough, but birds are far more sensitive to airborne irritants than dogs and cats.

How a deep clean is sequenced

  • A walk-through first, so the scope is agreed room by room and the surfaces needing special handling are identified before anything is sprayed.
  • Dry work before wet work: dusting, cobwebbing and vacuuming come first so that loosened dust is not turned into a smear later.
  • Products that need dwell time go on early, particularly oven and shower treatments, then the cleaner moves on and returns.
  • Top down within each room, so that anything dislodged from a high surface lands on a floor that has not been done yet.
  • Wet areas are usually done last or as a dedicated block, because they need the most time and the strongest products.
  • Floors are the final pass in every room, mopped or vacuumed after every other surface has been finished.
  • A final walk-through with you, which is the point at which a missed cupboard costs nothing and the day after it costs another visit.

If someone is exposed to a cleaning product

Australia has a single national number for this. healthdirect advises calling the Poisons Information Line on 13 11 26 at any time. Keep it somewhere findable before you need it, and have the product container or its label with you when you call, because the first question will be what the product was.

For a chemical on the skin, healthdirect's advice is not to touch the chemical or the exposed area yourself, to use protective clothing such as gloves and goggles, to wash the substance off immediately, to remove any affected clothes and to flood the skin with cool running water. For an inhaled poison, move the person to fresh air and loosen tightened clothing. If the person is unconscious, having difficulty breathing or having a seizure, that is an ambulance call, not a poisons line call.

The same logic applies to your house rather than a person. If a bathroom or laundry has an overwhelming smell during a clean, get everyone out and ventilate it rather than investigating. A deep clean is not worth an emergency department visit, and no reputable cleaning business will be offended by being asked to stop and open a window.

Deep clean, spring clean, bond clean and post-construction clean

  • A deep clean is scope-driven: it covers everything a regular round excludes, on a house that is otherwise lived in and functioning.
  • A spring clean is the same work rebranded around a season, and in Australia it lands more usefully in early spring before the pollen and in autumn before the house closes up for winter.
  • An end of lease clean is standard-driven: it is measured against a condition report and a legal test of reasonable cleanliness, so it includes things a deep clean would not bother with and excludes things it would.
  • A post-construction clean is hazard-driven, because the dust is building dust rather than household dust and may include asbestos-contaminated dust in an older home.
  • A move-in clean is a handover clean on an empty house, done before furniture arrives, which makes it faster and more thorough than the same work done later.
  • A deep clean does not fix mould that keeps coming back, because recurring mould is a moisture problem in the building rather than a cleaning problem.

What a deep clean is actually priced on

  • Hours, almost entirely, because a deep clean is time rather than materials and the quote is an estimate of how many hours the house will take.
  • How long it has been since the last one, since the first deep clean on a house that has never had one is a different job from an annual repeat.
  • The oven, which on its own can take a substantial share of the visit if it has never been properly cleaned.
  • The number of wet areas and the state of the shower screens and grout.
  • Whether the house is occupied and furnished, because moving and replacing contents is unpaid time unless it is in the scope.
  • Window and track work, which is often quoted separately because it needs different equipment.
  • Access and storeys, since an upper level with no lift changes how equipment and water are moved.
  • Whether you want carpets or upholstery done at the same time, which are separate specialist services rather than part of the deep clean.

Deep Cleaning: frequently asked questions

How often does a house actually need a deep clean?

There is no rule and no Australian standard that sets one. What drives it is the gap between what your standing round covers and what accumulates. A house with a weekly clean, a well-used oven and a humid bathroom typically wants a deep clean once or twice a year; a house with no regular cleaning at all is effectively booking a deep clean every time. The practical trigger is when the excluded items start being visible from the doorway: the oven glass, the rangehood, the shower screen and the door tracks.

Can I ask for products that are gentler on the household?

Yes, and say so at the quoting stage because it changes the time estimate. Milder products almost always need longer dwell time and more mechanical work, so a low-irritant deep clean is a longer deep clean rather than a cheaper one. Be specific about why: asthma in the house, a baby, a bird, a cat that licks floors, or a stone benchtop with a warranty are all reasons a professional will work with, whereas a vague request to use nothing harsh usually gets interpreted loosely.

Why does my bathroom look worse a week after a deep clean?

Because the clean removed a surface layer and revealed what is underneath, or because the underlying problem is moisture rather than dirt. Mould that returns within days in the same place is being fed by water, and no product fixes that. The usual culprits in Australian bathrooms are an exhaust fan that vents into the roof space instead of outside, a fan that is never run long enough after a shower, or a failed waterproofing or silicone junction letting water sit in the wall.

Is it safe to be home during a deep clean?

Usually yes, with sensible room-by-room separation. Keep out of the room being worked on, keep children and pets well clear of anywhere an oven or shower product is dwelling, and keep the house ventilated. If anyone in the household has asthma or a chemical sensitivity, it is genuinely better to be out for the wet-area and oven stages. Ask the cleaner to tell you when those stages start rather than guessing.

What should a deep cleaning business be able to tell me about its products?

At minimum, what each product is for and whether a safety data sheet exists for it. SafeWork NSW requires a business to get a current safety data sheet before using any hazardous chemical, to keep a register of the chemicals it uses with those sheets in it, and to keep chemicals properly labelled even after they have been transferred out of the original container. A business that can produce a sheet on request is meeting an ordinary obligation, not doing you a favour.

Will a deep clean get my oven back to new?

Often close, sometimes not. Baked-on carbon on the base and on the inner door glass can usually be removed with time and the right product. What does not come back is damage: pitted or discoloured enamel, a scratched glass door, or a self-cleaning liner that has been scoured. A good operator will tell you before starting which marks are dirt and which are permanent, and that conversation is worth having in front of the oven rather than over the phone.

Sources

  1. SafeWork NSW — Hazardous chemicals
  2. SafeWork NSW — Hazardous chemicals: general requirements
  3. healthdirect — Poisoning

Written by the LokalMatch editorial team. Last reviewed 22 September 2026. How we write and check our guides

What affects the cost of deep cleaning

Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:

  • Size of the home and number of bathrooms
  • Type of clean: regular, deep, move-in or move-out
  • Current condition and how long since the last clean
  • How often you book
  • Extras like inside the oven, fridge, cabinets or windows
  • Pets, stairs and access

How to compare cleaners before you hire

  • Ask exactly what's included in a standard clean, a deep clean and a move-out clean, since each company defines them differently.
  • Check whether the company carries liability insurance and whether cleaners are employees or contractors.
  • Ask whether they bring their own supplies and equipment, and whether they can use products you prefer.
  • For recurring service, ask whether the same cleaner or team will usually come.
  • For specialty work like carpet, upholstery or pressure washing, choose someone with the right equipment for that job.

Questions to ask cleaners before you hire

  • What exactly is included in the clean you're quoting?
  • Do you bring your own supplies and equipment?
  • Are you insured if something is damaged or someone is hurt?
  • Will the same person or team come each time?
  • How do you handle keys, alarm codes and access to my home?
  • What happens if I'm not happy with part of the clean?

Deep cleaning permits and local rules

Some deep cleaning work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.

Permits and licensing

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