Black mold in villa: DIY or professional removal cost?« Back to Previous Page

For a spreading patch behind a wardrobe in a villa, professional assessment is strongly recommended. The location suggests a hidden moisture source, like a small leak in the plumbing or AC condensation drain line, or interstitial condensation within the wall cavity. Simply cleaning the surface without identifying and rectifying the root cause guarantees it will return.

DIY bleach cleaning is a temporary fix and often ineffective on porous surfaces like drywall or plaster, as it only lightens the mould on the surface without killing the roots. It can also aggravate the problem by adding moisture. For a small, surface-level patch caused by ambient humidity, a vinegar or hydrogen peroxide solution can be used with proper ventilation. However, your description of it "spreading" indicates a more serious, active issue.

In Dubai's climate, year-round AC use creates significant condensation, and high external humidity can lead to dampness in walls, especially in corners with poor air circulation. A professional inspection will use moisture meters and thermal imaging to locate the exact moisture source. Remediation involves isolating the area, removing contaminated porous materials like drywall, HEPA vacuuming, and antimicrobial treatment. The final cost is entirely dependent on the extent of the damage and the repairs needed, so an on-site assessment is the only way to get an accurate scope and quotation.