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Our Approach & Pricing

Transparent Pricing for a Permanent Solution

At AAA Mould Removal, we believe in providing honest, accurate quotes tailored to your specific situation. Every mould problem is unique, and offering a one-size-fits-all price would be a disservice to our clients. Our pricing is a direct reflection of the comprehensive, permanent solution we provide.

These prices are indicative examples only and do not constitute a formal quote. The final cost for any project depends on a range of factors identified during a professional on-site inspection. The only way to receive an accurate, fixed price is to book an assessment with one of our certified technicians.

What Factors Influence the Cost?

  • ✅ Size of the Affected Area: The total square meterage that requires treatment.

  • ✅ Level of Contamination: Whether it's light surface mould or a deeply embedded infestation.

  • ✅ Location & Accessibility: A ceiling is different from a hard-to-access sub-floor or roof cavity.

  • ✅ Containment & Safety Requirements: The level of work needed to seal off the area and protect your home.

  • ✅ Underlying Structural Issues: Whether repairs are needed to fix the moisture source. Our company is a licenced builder company.

Ballpark Pricing Examples #3

Significant Mould from a Roof Leak

  • Scenario: A slow roof leak has allowed water to seep into the ceiling cavity of a main living room. This has caused extensive mould growth on the ceiling plasterboard, in the insulation, and down the top of two internal walls. The job requires removing and replacing insulation and parts of the ceiling.

  • Typical Price Range: $2,500 - $5,500+

Click here to see one of our previous project that falls into this $2500 to $5500+ price range

What's Included In Your Quote? The AAA Value.

  • ✅ A comprehensive inspection by a Licensed Builder & IICRC Certified Technician.

  • ✅ A scientific, multi-step remediation process (HEPA vacuuming, removal, decontamination).

  • ✅ The personal oversight of our founder, Michael Nguyen, on every project.

  • ✅ The use of safe, non-toxic, professional-grade treatments.

  • ✅ A detailed report on the cause and work completed.

  • ✅ Our iron-clad 12-Month Guarantee for your peace of mind.

Ballpark Pricing Examples #4

Extensive Sub-floor Mould Remediation

  • Poor ventilation and a damp sub-floor environment have led to widespread mould growth on the timber bearers, joists, and underside of the flooring. The work requires difficult access into a confined crawl space and extensive HEPA vacuuming and physical treatment of a large structural area.

  • Typical Price Range: $4,000 - $10,000+

Click here to see one of our previous project that falls into this $2500 to $5500+ price range

Ballpark Pricing Examples #1

Small, Contained Surface Mould

  • Scenario: A 1-2 sqm patch of surface mould in a well-ventilated bathroom.

  • Typical Price Range: $350 - $650

Click here to see one of our previous project that falls into this $350 to $650 price range

Ballpark Pricing Examples #2

Moderate Mould Infestation

  • Scenario: A larger mould issue on a bedroom wall caused by a minor window leak.

  • Typical Price Range: $800 - $2,000

Click here to see one of our previous project that falls into this $800 to $2000 price range

Price Details on Our Previous Projects

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Emergency Water Damage & Mould Remediation in Vaucluse

A sudden and severe pipe burst caused significant water damage across two rooms in this beautiful Vaucluse home. With carpets saturated and water wicking up the walls, the conditions were perfect for rapid, aggressive mould growth. The homeowners were faced with a hazardous environment and compromised structures that required immediate, expert intervention.

Our Solution: Our team was deployed for an emergency response. Following a thorough assessment, we implemented a full-scale remediation and drying plan, adhering strictly to the global IICRC S520 standard for professional mould remediation.

  1. Initial Mitigation: The non-salvageable, water-damaged carpets were removed. To eliminate all moisture and hidden mould, the affected plasterboard was professionally cut and removed to a height of 600mm from the floor up.

  2. Containment: We established full critical containment barriers around both rooms, completely sealing them off to prevent any cross-contamination of mould spores to the rest of the pristine property.

  3. Drying & Dehumidification: An intensive structural drying process began, utilising an extensive setup of specialised equipment. This included four HEPA air scrubbers to constantly purify the air, three commercial-grade dehumidifiers to extract moisture, six high-velocity air movers to accelerate evaporation, and an advanced Drymatic heat drying system to ensure even the deepest moisture was removed. This intensive drying phase ran for 6 days.

  4. Mould Remediation: Following the structural drying, our technicians spent 6 days meticulously HEPA vacuuming all surfaces and treating the area with our professional-grade, non-toxic biocide.

The Outcome: After 12 days of intensive work, the property was passed a Post-Remediation Verification (PRV), confirming it was returned to a safe and healthy state. The two rooms were left completely dry, sanitized, and structurally sound, ready for the restoration phase. The homeowners could proceed with repairs, confident that the underlying mould and moisture issue had been permanently and professionally resolved.

Project Details and Cost

  • Location: Vaucluse, NSW

  • Issue: Severe mould growth following a burst water pipe.

  • Duration: 12 Days (6 days mould remediation, 6 days structural drying)

  • Project Cost: Approximately $8,000

This comprehensive project cost included:

  • All specialist labour and project management.

  • Full Personal Protective Equipment (PPE) for all technicians.

  • All professional-grade, non-toxic chemical treatments.

  • Rental and continuous operation of all drying equipment (3 dehumidifiers, 6 fans, 1 Drymatic system).

  • Rental and continuous operation of four HEPA air scrubbers.

  • Complete containment setup and all required materials.

  • Safe and lawful disposal of all contaminated materials.

  • All project consumables.

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Complex Structural Mould Remediation in Terry Hills

A persistent, slow water leak from a faulty sliding door flashing on the top floor of this Terry Hills home had gone unnoticed for some time. The water tracked down through the structure, causing extensive and hidden mould growth to emerge on the ceiling and walls of the ground floor below. The homeowners were concerned about the visible mould and the potential for much greater contamination within the floor cavity.

Our Solution: This project required a more "surgical" approach to trace and eliminate the mould at its source. Our team developed a comprehensive remediation plan that followed strict IICRC S520 standards to ensure the complete removal of all mould and moisture.

  1. Containment & Deconstruction: A full containment barrier with negative air pressure was established on the ground floor to isolate the work area. To access the hidden mould, our technicians carefully stripped out the affected ceiling and then fully removed the upstairs sliding door. This allowed us to cut out the damaged yellow tongue flooring beneath it.

  2. In-Depth Cavity Remediation: With the floor cavity exposed, we were able to conduct a thorough cleaning and remediation between the floor joists—a critical step to remove the primary mould colony. This was achieved through a combination of a specialised chemical wash to treat the contaminated timber structures and a flash drying technique to rapidly remove all residual moisture.

  3. Final Decontamination: Once the structural remediation was complete, the entire contained area on the ground floor was meticulously HEPA vacuumed and treated with our professional-grade, non-toxic biocide to ensure no spores remained.

The Outcome: The project successfully eliminated both the visible mould on the ground floor and the hidden contamination within the building's structure. The source of the problem was fully exposed, cleaned, and dried, allowing for confident repairs. The home was returned to a safe, healthy state, free from the risks of hidden mould.

Project Details and Cost

  • Location: Terry Hills, NSW

  • Issue: Hidden mould growth caused by a leaking sliding door flashing on an upper level.

  • Duration: 10 Days

  • Project Cost: Approximately $7,500

This comprehensive project cost included:

  • All specialist labour and project management.

  • Full Personal Protective Equipment (PPE) for all technicians.

  • All professional-grade, non-toxic chemical treatments.

  • Rental and continuous operation of all drying and air scrubbing equipment.

  • Complete containment setup and all required materials.

  • Safe and lawful disposal of all contaminated materials.

  • All project consumables.

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Preventative "Condition 2" Mould Cleaning in a Bedroom

The Problem: Following a minor, resolved water leak, the homeowner was concerned about the potential for mould spores settling in their bedroom, even though there was no visible mould growth. Air quality tests had indicated elevated spore counts, creating what is known in the industry as a "Condition 2" environment: contaminated with mould spores, but without active colonization. The goal was preventative cleaning to restore a healthy indoor environment.

Our Solution: Even for a non-visible contamination, we applied the same high standards as a full-scale remediation, following the IICRC S520 protocol for a "Condition 2" clean.

  1. Containment & Air Purification: The bedroom was fully isolated from the rest of the house with a containment barrier. A HEPA air scrubber was set up immediately to begin capturing airborne particulates and purifying the air.

  2. The "HEPA Sandwich" Method: Our technicians performed a meticulous, three-stage cleaning process on all surfaces within the room (walls, ceiling, floor, and fixtures).

    • Step 1: A thorough initial HEPA vacuuming to capture any settled, loose spores.

    • Step 2: A detailed damp-wiping of all surfaces with a professional-grade cleaning solution.

    • Step 3: A final, post-cleaning HEPA vacuuming to remove any remaining microscopic particles. This "vac-wipe-vac" technique is the industry best practice for ensuring a comprehensive decontamination.

The Outcome: The project was completed in just four hours, leaving the room meticulously clean and returning the indoor air quality to a normal, healthy state. The homeowner gained complete peace of mind, knowing their bedroom was professionally decontaminated and safe from the threat of future mould growth stemming from the previous incident.

Project Details And Cost

  • Location: Rose Bay, Sydney NSW

  • Issue: Preventative "Condition 2" decontamination of a bedroom after a water leak.

  • Duration: 4 Hours

  • Project Cost: Approximately $400

This efficient project cost included:

  • All specialist labour for the detailed cleaning.

  • Full Personal Protective Equipment (PPE) for the technician.

  • Rental and operation of a HEPA air scrubber.

  • All professional cleaning solutions and consumables.

  • Containment setup and materials.

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Emergency Carpet Water Extraction

The Problem: We received an urgent call from a homeowner after a washing machine supply pipe burst, flooding their laundry and adjacent carpeted areas with water. When dealing with water saturation, time is critical. Every hour that passes increases the risk of permanent damage to the carpet, underlay, and sub-floor, creating a prime breeding ground for a serious mould infestation.

Our Solution: Recognizing the emergency, our rapid response team was on-site within two hours of the initial call. Our goal was immediate water removal to mitigate damage and prevent mould growth.

  1. High-Powered Water Extraction: We immediately deployed our commercial-grade, high-volume water extraction equipment. This process is far more powerful than conventional vacuums and is designed to pull the maximum amount of water from the carpet fibres, underlay, and sub-floor.

  2. Initial Drying & Air Purification: Once the standing water was extracted, we strategically placed high-velocity air movers to begin rapidly evaporating the remaining moisture from the carpet. A HEPA air scrubber was also set up to begin filtering the air, which helps prevent mould spores from settling and germinating in the damp environment.

The Outcome: Our swift action successfully removed the bulk of the water, preventing long-term saturation damage and stopping a potential mould outbreak before it could begin. The homeowner avoided the costly and disruptive process of full mould remediation and carpet replacement. This project highlights the critical importance of a fast, professional response to any water intrusion event.

Project Details And Cost

  • Location: Lane Cover, Sydney, NSW

  • Issue: Emergency water extraction from carpet after a washing machine pipe burst.

  • Response Time: On-site within 2 hours.

  • Duration: 4 Hours

  • Project Cost: Approximately $600

This emergency response project included:

  • Urgent call-out and on-site attendance.

  • All specialist labour for the extraction process.

  • Use of commercial-grade water extraction machinery.

  • Deployment and operation of high-velocity air movers and a HEPA air scrubber.

  • Professional advice to the homeowner on the next steps for complete drying.

Frequent Ask Question

1. How do you determine the price for mould removal?​


Our pricing is based on a detailed on-site assessment, as every situation is unique. We don't use generic square-metre rates because they can be misleading. Instead, we provide a custom quote based on key factors: the total area affected, the severity of the contamination, the accessibility of the space (e.g., a sub-floor vs. a wall), and the specific containment procedures required to keep your home safe during the process. We offer a obligation free mould inspection which will also provide you a free quote on remediation cost.

2. Is your on-site inspection and quote free of charge?

Yes. We offer a complimentary, no-obligation on-site inspection and quote for homeowners in our Sydney service areas. Our founder and lead technician, Michael, will personally assess your situation, identify the likely moisture source, and answer your questions. You will then receive a detailed, written quote outlining the scope of work and the fixed price, with no hidden fees.

3. Why might a quote from you be more than a handyman's?

Our quote reflects the cost of a permanent, guaranteed solution, which is very different from a temporary fix. You are investing in a comprehensive service led by a Licensed Builder and IICRC Certified Technician. The price includes our scientific, multi-step process, full safety containment, non-toxic treatments, a 12-month guarantee, and the peace of mind that the underlying problem is being addressed, not just the visible stain.

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