Mould Removal Cost Melbourne: Complete 2026 Price Guide

A comprehensive breakdown of mould removal costs in Melbourne, covering every service type from basic inspection to full commercial remediation. All prices are indicative ranges from qualified specialists — actual costs depend on your specific situation.

Mould Removal Cost by Service Type — Melbourne 2026

Indicative cost ranges for professional mould removal services in Melbourne. All prices are for qualified, IICRC-certified specialists.

Mould Inspection

$200$600

Visual inspection, moisture survey, and report

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Mould Testing (Air/Surface)

$300$800

Laboratory analysis of mould species

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Bathroom Mould Removal

$300$1,500

Tiles, grout, silicone, ceiling

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Ceiling Mould Removal

$500$2,000

Per room, includes containment

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Wall Mould Removal

$400$3,000

Surface and cavity remediation

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Black Mould Removal

$1,500$5,000+

Toxic mould requires specialist protocols

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Subfloor Mould Removal

$1,500$5,000

Joists, bearers, subfloor timbers

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Roof Cavity Mould

$1,000$4,000

Roof timbers and insulation

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HVAC Mould Cleaning

$300$1,500

Ducted system cleaning and sanitisation

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Carpet Mould Removal

$200$1,000

Per room, may require replacement

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Commercial Mould Removal

$2,000$20,000+

Office, retail, warehouse, school

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* All costs are indicative only. Actual pricing depends on area affected, mould severity, accessibility, and whether cause treatment is included. Always obtain written quotes.

6 Factors That Affect Mould Removal Cost

Area Affected

The single biggest cost driver. A small patch in one bathroom costs far less than mould throughout multiple rooms. Specialists typically quote per room or per square metre of affected area.

Mould Type

Toxic black mould (Stachybotrys) requires more extensive containment, PPE, and decontamination protocols than common surface moulds. Laboratory testing ($300-$800) may be needed to identify the species.

Location & Access

Mould on open surfaces is cheaper to remediate than mould inside wall cavities, roof spaces, or subfloors. Confined spaces require additional equipment and safety measures, increasing costs.

Severity & Depth

Surface mould on tiles can be cleaned, but mould that has penetrated into plasterboard, timber, or insulation requires removal and replacement of affected materials, significantly increasing cost.

Cause Treatment

If the moisture source (leak, rising damp, poor ventilation) also needs fixing, this adds to the total project cost. Some specialists offer package pricing for remediation plus cause treatment.

Containment Requirements

Larger jobs require negative air pressure containment to prevent spore spread during remediation. This adds setup time and equipment costs but is essential for protecting the rest of the home.

How to Save on Mould Removal Costs

1

Act Early

Early-stage mould costs a fraction of established growth to remove. A $500 job today could be a $3,000 job in three months. Don't wait.

2

Get 3+ Quotes

Always get at least three written quotes from qualified, IICRC-certified specialists. Compare scope of work, not just price.

3

Fix the Cause

Removing mould without fixing the moisture source means it returns. Spending more upfront on cause treatment saves money long-term.

4

Bundle Services

Many specialists offer better pricing when combining inspection, remediation, and cause treatment in one project.

Mould Removal Cost FAQs

The average Melbourne mould removal job costs between $500 and $3,000 for a typical residential property. Small bathroom jobs start from around $300, while whole-house remediation involving black mould can exceed $5,000. These are indicative ranges — actual costs depend on the area affected, mould type, and severity. Always obtain written quotes from qualified specialists.
The main factors are: area affected (square metreage), type of mould (black mould requires more extensive protocols), location (bathrooms vs wall cavities vs subfloors), severity and depth of penetration, whether the moisture source needs fixing, accessibility of the affected area, and whether materials need replacement (plasterboard, insulation, carpet).
For anything beyond small surface mould (less than 1 square metre on hard surfaces), professional remediation is recommended. Professionals have the equipment, training (IICRC certification), and containment protocols to prevent cross-contamination. Improper DIY removal can spread spores throughout the home, potentially making the problem worse and more expensive to fix.
Some home insurance policies cover mould removal when it results from a sudden, insured event like a burst pipe or storm damage. Gradual mould from condensation, poor ventilation, or neglected maintenance is typically not covered. Check your specific policy and contact your insurer before arranging remediation if you believe an insured event caused the mould.
Get at least three written quotes from qualified specialists. Fix the moisture source yourself if possible (e.g., improve ventilation, fix minor leaks). Act quickly — early-stage mould is far cheaper to remove than established growth. Combine mould removal with cause treatment (e.g., ventilation installation) for package pricing. Some specialists offer free initial assessments.
The costs listed are primarily for mould removal and remediation. Fixing the underlying cause (rising damp treatment, ventilation installation, leak repair, insulation) is typically quoted separately. However, many qualified specialists can address both the mould and the cause, and some offer package pricing when both are done together.

Ready to Get Accurate Pricing?

Online guides provide indicative pricing. For an accurate quote tailored to your situation, we connect you with qualified, IICRC-certified mould removal specialists in Melbourne.

All costs are indicative only and may vary based on mould type, severity, area affected, and property specifics.

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