For a small patch (under one square foot), you can attempt to clean it yourself. Use a vinegar solution (undiluted white vinegar in a spray bottle) and scrub with a stiff brush. Never mix vinegar and bleach, as it creates toxic gas. Bleach is not recommended on porous surfaces like wood or drywall, as it only removes surface discoloration and doesn’t kill the roots, so the mold will often return.

However, because the mold is inside a wardrobe on an exterior wall, the visible patch is likely just the tip of the iceberg. The moisture is probably wicking into the wall structure itself. DIY cleaning will only address the surface and the root cause—the hidden dampness—will remain.

In this case, a professional inspection is strongly advised. They will use a moisture meter to determine the extent of the water intrusion within the wall cavity. The real fix is identifying and rectifying the source of the condensation, which could require improving wall insulation, addressing AC airflow, or installing a dehumidifier. A proper remediation process also includes containment to prevent spores from spreading to other parts of the house during cleaning. For a villa in Jumeirah with a suspected structural moisture issue, the investment in a professional assessment will save you from recurring problems and potential health concerns.