Very small-scale projects involving isolated surface mould in a single area: $350 to $1,500.

Small-scale remediation in one room or affecting drywall up to 10 sq ft: $700 to $3,000.

Moderate-size contamination affecting multiple rooms or structural materials: $2,500 to $7,000.

Attic or large-area remediation with insulation removal and structural treatment: $7,000 to $12,000 or more for widespread contamination.

Key factors include: total area of contamination and spread, location within the building (attics and crawlspaces cost more due to access difficulty), types of materials affected (drywall vs. structural framing vs. insulation), need for containment setup and negative air machines, extent of moisture damage requiring structural drying, and whether independent air clearance testing is included.

Comprehensive professional remediation includes: inspection and moisture source identification, containment setup with polyethylene barriers and negative air pressure, safe removal of contaminated materials, surface treatment with antimicrobial agents, structural drying with dehumidifiers and air movers, HEPA vacuuming, post-remediation cleaning, and optional independent air clearance testing.

Professional mould remediation provides superior safety through proper containment that prevents cross-contamination, correct identification of all affected materials including hidden areas, proper equipment including HEPA filtration and negative air machines, antimicrobial treatment, lower recurrence risk, and documentation for insurance and real estate purposes. DIY attempts often miss hidden contamination and can spread spores throughout a building.

Every mould project requires individualized assessment because variables like square footage, damage level, service requirements, and property layout all influence the final scope and cost. Contact Relief Restorations for a free consultation and transparent written estimate.