Preston’s mix of older weatherboard homes, updated brick veneers and busy households can hide moisture issues in bathrooms, laundries and subfloors—exactly where mould often starts and spreads.
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We check ceilings, cornices, grout lines, shower screens, vanity kickboards and skirting junctions for mould growth, bubbling paint and moisture-related damage. These areas are high-risk in Preston homes due to daily humidity and ageing seals, and they often mask slow leaks behind tiles and cabinetry.
We assess cupboards near sinks, dishwashers and fridges, plus pantry corners where airflow is limited. Small plumbing drips and poor exhaust extraction can create persistent damp patches that support mould, even when surfaces look clean after routine wiping.
For older Preston properties with raised floors, we look for damp soil, restricted ventilation, fungal growth on bearers/joists and signs of long-term humidity. Subfloor moisture can drive mouldy odours into living areas and contribute to timber deterioration.
We check typical condensation points such as bedroom windows, external corners, wardrobes on cold walls, and rooms with closed doors. We also assess bathroom/laundry exhaust fan ducting and termination, because fans that vent into roof spaces can worsen mould risk.
We look for mould on roof timbers, water staining, insulation dampness and inadequate airflow. Roof leaks, blocked gutters and poorly vented bathrooms can deposit moisture above ceilings, allowing mould to form out of sight before it becomes visible indoors.
We record likely moisture sources such as plumbing penetrations, failed sealants, drainage fall issues and splashback zones, and we support findings with photos. The report prioritises areas that are actively wet versus areas with historical staining, helping you plan remediation in the right order.
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Find answers to the most frequently asked questions about our inspection service.
In Preston, we often find mould in bathrooms around ceilings and grout lines, inside vanity cabinets, behind washing machines, and in wardrobes on external walls where condensation forms. Older raised-floor homes can also develop mould and musty odours from damp subfloors, particularly if vents are blocked or the ground stays moist. The inspection focuses on these high-risk zones and traces likely moisture pathways.
Yes. We look at the pattern, location and surface condition to differentiate mould growth from general grime or old water marks. Mould often presents as clustered spotting with a musty odour and may return quickly after cleaning if moisture persists. Water staining tends to show tide marks or discolouration without active growth. Our report explains what we observed and what to investigate next.
We assess whether ventilation is likely to be removing moisture effectively by checking fan operation, visible ducting where accessible, and whether air is being discharged outside rather than into roof spaces. We also look at condensation indicators around windows and corners. If ventilation performance appears inadequate, we recommend practical upgrades or further checks by the appropriate trade to reduce mould recurrence.
Attached homes in Preston can have limited cross-ventilation, cooler wall surfaces and shared boundaries that trap humidity, especially in bathrooms and laundry cupboards with minimal airflow. Mould may also be concealed behind built-in robes or along skirting lines on external corners. We focus on ventilation, condensation points and any signs of moisture tracking from balconies, wet areas, or poorly sealed penetrations.
The first step is to address the moisture source—such as a plumbing leak, failed shower seals, inadequate exhaust extraction, or subfloor dampness—because cleaning alone won’t stop regrowth. Our report will prioritise the most likely drivers and areas needing further investigation. Once moisture is controlled, appropriate remediation can be arranged to clean affected surfaces and repair damaged finishes safely.
Still have questions?
Get in TouchACE Building and Pest Inspections focuses on where mould starts in Preston homes—wet areas, ventilation weak points and subfloor moisture—so you can act on the cause, not just the symptoms. Call 0413 163 187.