Croydon’s mix of older brick homes, renovated weatherboards and leafy blocks can trap moisture in subfloors, bathrooms and roof spaces—making early mould detection critical before it spreads behind linings.
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We inspect grout lines, silicone junctions, vanity kickboards, shower recess corners, and cabinet undersides for visible mould, water staining and swelling. These are common Croydon hot spots where slow leaks and poor exhaust performance feed recurring growth.
We look for mould on roof timbers, insulation and the underside of roofing around bathroom and laundry exhaust discharge points. Improper venting into the roof space and minor roof leaks can create persistent humidity that’s easy to miss from inside the living areas.
Where accessible, we assess subfloor ventilation, evidence of damp ground conditions, and mould on bearers/joists or the underside of flooring. Homes with restricted airflow or damp soil conditions can develop musty odours and concealed mould that impacts internal air quality.
We check window reveals, sills, and nearby wall linings for mould spotting and paint deterioration consistent with condensation. Bedrooms with wardrobes on external walls and rooms with limited heating/ventilation are assessed for patterns that suggest ongoing moisture build-up.
We identify external factors that can drive mould internally, including blocked gutters, downpipes discharging near the slab, poor surface drainage, and garden levels bridging weep holes. Addressing these contributors is often the difference between a one-off clean and a recurring mould problem.
You receive a structured report that maps affected areas, explains likely moisture sources, and prioritises actions (maintenance, ventilation upgrades, leak investigation, or specialist remediation). The aim is to help you budget and negotiate confidently with evidence, not assumptions.
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Get Mould Presence as part of a comprehensive inspection package
Find answers to the most frequently asked questions about our inspection service.
In Croydon, we often find early mould growth in roof spaces above bathrooms where exhaust fans vent poorly, inside built-in wardrobes on external walls, and under sinks where slow plumbing weeps go unnoticed. Homes with enclosed subfloors can also develop mould on the underside of flooring if ventilation is limited or the ground stays damp. We focus on these typical risk areas during the inspection.
Yes. A mould presence inspection should connect the dots between visible growth and the moisture source. We look for indicators of leaks, condensation patterns, ventilation shortfalls, and external drainage issues that can feed dampness. Your report explains the most likely drivers and what to address first, so you can engage the right trade—plumber, roofer, ventilation specialist, or remediator—with clear direction.
Absolutely. Renovations can improve finishes while leaving moisture pathways in place. Common issues include inadequate exhaust capacity, showers without proper waterproofing details, or leaks at mixer penetrations and vanity plumbing. New cabinetry can also conceal damp wall linings. We check junctions, sealants, and moisture indicators around fittings to help you understand whether it’s surface mould, a ventilation issue, or a hidden leak.
They can. Shared walls can allow moisture transfer if there are leaks, poor flashing, or persistent damp in adjacent wet areas. Units and townhouses also tend to have less cross-ventilation, and internal bathrooms are common. During the inspection we pay close attention to laundries, bathrooms, and any wall sections that present as cooler or persistently marked, which can indicate ongoing moisture conditions.
Start by addressing the moisture source—cleaning alone won’t stop regrowth. If it’s linked to leaks, arrange targeted plumbing or roofing repairs. If condensation is the driver, improve ventilation (correct exhaust discharge, adequate fan capacity, airflow paths) and review heating habits. For larger or recurring mould areas, engage a qualified mould remediation professional. We outline practical next steps and priorities in your report.
Still have questions?
Get in TouchSpeak with ACE Building and Pest Inspections for a mould-focused assessment that targets Croydon’s common moisture traps in subfloors, wet areas and roof spaces. Call 0413 163 187.