chalkline. Snap the line. Build to it.
process Glossary 7 min read

Builders clean: scope, stages, and handover

Builders clean: post-trades scope before PCI. Windows, stickers, grout haze, cabinetry, floors. Three-stage convention, who pays, and PCI impact.

By Dan Waring. Last updated 11 June 2026. Verified 11 June 2026.

Ask Chalkline about this →

TL;DR

The builders clean is the full internal clean scheduled after all trades demobilise and before the PCI. It typically runs $8 to $16 per square metre on residential work. A poor builders clean is one of the fastest ways to inflate the defects list: grout haze, paint drops, stickers, and dirty window tracks are the top complaints at PCI walkthroughs. The cost sits in the builder’s preliminaries; trades who damage previously cleaned areas are typically back-charged.

When you do this

The builders clean sits at a fixed point in the construction programme: after the last finishing trade completes their fit-off and before the client’s PCI walkthrough. The timing matters because:

  • Any trade returning post-clean (e.g. a plumber finishing tapware, an electrician hanging a final fitting) can undo hours of cleaning work.
  • The PCI is a visual inspection. A dirty house makes defects harder to see and inflames disputes about whether a mark is a defect or just construction residue.

Schedule the builders clean only when all trades have genuinely demobilised, not when you hope they will.

The three-clean convention

Most residential builds use a three-stage cleaning sequence. Each stage has a different scope and sits at a different point in the programme.

Stage 1: rough clean (progress clean)

Scheduled during construction, usually after the plastering and tiling trade phases and before painters start. The rough clean is a worksite-readiness task, not a presentation clean.

Typical scope:

  • Sweep and bulk vacuum all floor areas
  • Remove packaging, timber offcuts, and trade debris from inside the building
  • Wipe key surfaces so painters can identify wall colours, not dust
  • Remove floor protection sheets once tilers and plasterers are done

The rough clean does not include grout haze removal, window cleaning, or fixture polish. Those items are not finished at this stage.

Stage 2: builders clean (post-trades clean)

The main clean. Scheduled after all trades have completed final fit-off: painters, electricians, plumbers, cabinetmakers, tilers, and any other finishing trade. This is the stage most builders refer to when they say “builders clean.”

Typical scope:

  • Windows and glazing: all internal glass, shower screens, mirrors, and balustrades inside and out (ground-accessible). Frames, tracks, and seals.
  • Sticker and label removal: glass, tapware, appliances, cabinetry, light fittings. Adhesive residue left behind is a PCI defect.
  • Grout haze: tile surfaces throughout. Grout haze cures hard, especially on rectified porcelain. Once cured, removal is significantly more labour-intensive.
  • Paint spots and overspray: floors, glazing, fittings, and skirting boards.
  • Cabinetry: inside overhead cupboards, drawer boxes, wardrobe interiors, kickboards, and benchtops.
  • Fixtures and fittings: tapware, sinks, toilets, shower bases, baths, and floor wastes.
  • Dust to all surfaces: walls, skirtings, door frames, architraves, and ceiling fixtures.
  • Floors: final vacuum and mop of hard floors. Hard floor protection sheet removal if not done at rough clean stage.

Stage 3: sparkle clean (presentation clean)

Scheduled 24 to 48 hours before handover or PCI. A lighter pass focused on presentation quality.

Typical scope:

  • Re-polish glass, mirrors, chrome tapware, and stainless steel
  • Spot-check high-visibility surfaces for smudges
  • Wipe any surfaces marked during final trade access
  • Touch-up window cleaning where trades have accessed after the builders clean

The sparkle clean is not a substitute for a thorough builders clean. If the builders clean was inadequate, the sparkle clean cannot recover it.

What it excludes

The following items are commonly mistaken for builders clean scope:

  • External windows above reach without access equipment: a standard quote typically covers ground-floor and accessible upper-floor glazing. Glazing requiring a boom lift or scaffolding should be quoted separately.
  • Post-defect rectification cleaning: if trades return after PCI to fix defect items, those trades leave their area clean. Any second builders clean required is a variation, not included in the original preliminaries.
  • Carpet cleaning: steam or dry cleaning is a separate engagement. Confirm in the scope of works.
  • Pressure washing of external hard surfaces: driveways, paths, and facades are generally a separate line item.
  • Hazardous material: if asbestos, lead paint residue, or contaminated material is present, stop work and notify the builder. That is specialist licensed contractor work.

Who pays, and where it sits in the program

The builders clean is a builder’s preliminaries cost. It appears in the contract price as a fixed cost against the trade schedule or the preliminaries section, not as a PC or PS item.

The back-charge convention: if a trade damages or dirties an area after the builders clean is complete (a plumber drains a pipe and leaves grit across the floor, a concretor tracks mud through after the final clean), the standard practice is to back-charge that trade for the cost of re-cleaning their specific area. This requires photographic evidence of the state before and after access. Getting a signed condition-of-access record from trades returning post-clean is worth the five minutes.

Typical pricing: $8 to $16 per square metre on residential work depending on scope, site condition, and region (verified 2026-06-11, site cleaner pricing guide, builderscleaningmelbourne.com.au). The m2 rate is usually quoted on the habitable floor area, not the gross floor area including garage and covered outdoor. Confirm the area basis in the quote.

PCI interaction

A poorly executed builders clean directly inflames the PCI walkthrough. The most common cleaning-related defects raised at PCI:

  • Grout haze on tiles, especially in wet areas
  • Paint drops on timber floors or polished concrete
  • Stickers on glazing, appliances, or tapware
  • Dirty window tracks and frames
  • Dust inside joinery: overhead cabinets, drawer boxes, wardrobe tracks
  • Silicone or adhesive smears on benchtops or glazing

Each of these items generates a defects list entry. The builder must close the list before the final progress claim is paid and the certificate of practical completion issues. A single poor-quality builders clean can add one to two days of rectification labour and delay the final payment. Invest in a thorough builders clean; it is cheaper than the alternative.

Documents needed

  • Scope of works for the builders clean (written brief, not just a verbal instruction): stages, inclusions, exclusions, pricing basis, and the floor area the rate applies to.
  • Condition-of-site record: photograph key surfaces before the clean starts and after completion. This is the evidence base for any back-charge dispute.

Common holds

  • Trades still on site: do not start the builders clean while any trade has outstanding fit-off work. Partial cleans are costly; one trade returning post-clean undoes entire areas.
  • Access issues: the builder must have sole control of the building for the clean. Lock the site.
  • Cured grout haze: if tiling work was finished weeks before the clean, the grout haze may have cured. Alert the builder and quote the additional labour separately rather than absorbing it.

References

See also

Last updated: 2026-06-11. Verified: 2026-06-11. Quarterly review for currency.

Related articles