Canterbury’s older period homes, shaded blocks and underfloor spaces can hold moisture longer, making hidden mould more likely in subfloors, bathrooms and built-in joinery.
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We inspect ceilings, cornices, window reveals, skirtings, behind furniture positions where possible, and common growth points in bedrooms and living areas. This helps distinguish isolated surface mould from patterns that suggest persistent moisture or condensation.
We assess grout and silicone junctions, shower recess corners, vanity kickboards, exhaust fan performance and signs of leaks around tapware and cabinetry. Wet-area failures often feed mould inside cupboards and adjacent plaster, especially after cosmetic renovations.
For homes with suspended floors, we check for damp soil, poor cross-ventilation, water staining on bearers/joists and mould on timbers or stored items. Canterbury’s shaded yards can reduce evaporation under the house, increasing mould risk and musty odours indoors.
We look for roof leaks, damp insulation, mould on truss timbers and condensation issues from bathroom exhausts venting into the roof space. These conditions can spread mould spores and cause recurring ceiling staining.
We use moisture assessment techniques on plaster, skirtings, window surrounds and cabinetry near reported odours or staining. This helps confirm whether mould is likely being driven by an active moisture issue versus past moisture that has since dried.
Your report documents where mould is present or suspected, what conditions are supporting it (leaks, condensation, ventilation shortfalls), and practical next steps. We explain which trades may be needed, and when specialist mould remediation is warranted.
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Find answers to the most frequently asked questions about our inspection service.
In Canterbury, mould often comes from condensation rather than a clear plumbing leak. Shaded elevations, cooler bedrooms and improved draught sealing can increase humidity indoors, especially if exhaust fans are weak or not used. Condensation tends to form on window reveals, external-wall corners and inside wardrobes. Our inspection looks for these patterns and the building conditions that allow moisture to linger.
Yes, where access is available. Many Canterbury homes with suspended floors have subfloor voids that can stay damp due to limited ventilation, stored materials or poor drainage around the perimeter. We inspect for mould growth on timbers, damp soil, ventilation shortfalls and signs of water entry. If access is restricted, we document limitations and recommend practical ways to improve access or investigate further.
Surface mould can appear from brief humidity spikes and may clean off, but recurring growth often indicates ongoing moisture. Hidden mould is more likely when there are persistent moisture sources such as leaking showers, damp subfloors or condensation behind furniture on external walls. We assess surrounding materials and moisture indicators to judge whether the issue is superficial or likely connected to concealed dampness requiring repairs.
They can be, particularly if waterproofing details, ventilation or drainage weren’t improved during the renovation. Mould may develop behind vanity kickboards, at shower junctions, around window frames in wet areas, or in adjacent rooms where moisture migrates. Our inspection looks for early warning signs like persistent grout darkening, swollen cabinetry edges, musty odours and localised moisture patterns that suggest water is getting where it shouldn’t.
ACE Building and Pest Inspections focuses on inspection and reporting. If mould is identified, we outline the likely cause, affected areas, and the most sensible next steps, which may include rectifying moisture sources, improving ventilation, and engaging a qualified mould remediation provider where needed. This separation helps keep the findings objective and gives you clear guidance for obtaining accurate repair and remediation quotes.
Still have questions?
Get in TouchSpeak with ACE Building and Pest Inspections for a focused mould assessment that traces likely moisture sources and delivers clear, practical recommendations. Call 0413 163 187.