Leaky showers why don't they get disclosed?
- Alex Willis
- Aug 15
- 2 min read

Unveiling the Hidden Cost of Shower Leaks: Real-World Damage During Home Inspections
During our recent home inspections across Auckland, we frequently uncover the silent threat lurking beneath seemingly innocent showers—a hidden leak. Over time, minor grout crack or deteriorating sealant lets moisture seep through, wreaking havoc on the subfloor and often going unnoticed until it's too late.
What’s at risk? Leaking showers aren't just about a puddle on the bathroom floor. Water travels under flooring and wall linings into the subfloor, leading to wood rot, warped boards, and structural compromise. Mold and mildew quickly colonise damp spaces, compromising indoor air quality and posing health risks.
Why detection matters: Left unchecked, these leaks escalate—eventually affecting ceilings below, surrounding carpets, and even jeopardising insurance cover. Many insurers may decline claims for gradual damage deemed preventable.
Our inspection approach:
Visual checks: scanning for cracked grout or old sealant, stained walls, or uneven flooring.
Moisture meters and spray tests: tools that expose hidden dampness and point straight to the leak source.
Structural assessments: identifying soft spots, warping, or bouncy floorboards that signal deeper issues.
The benefit of early action: Promptly addressing shower leaks can save homeowners thousands—avoiding subfloor replacement, mold remediation, and full-scale bathroom renovation. In many cases, resealing or regrouting can fix the problem but even if the shower needs replacing it is cheaper to do at the start of a leak rather than waiting for the extra damage that comes with leaving an issue.
Conclusion/call to action: Next time your shower
looks suspect—or if your floor “feels off”—don’t delay. Reach out to BookABuilder. We’ll help you uncover, diagnose, and resolve leaks efficiently, safeguarding your home and peace of mind.























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