Sunbury Building
Inspections

Mould and ventilation in a Sunbury rental

Two of the 15 standards that older Sunbury rentals most often fail.

Sunbury 3429 · 13 August 2026

In short: A rental must be free of mould and damp caused by the building, and wet rooms need ventilation. Older bathrooms are where this fails.

What the standards require

No mould or damp caused by the building or its structure, and ventilation in bathrooms, showers, toilets and laundries.

Where we find it

Mould on bathroom ceilings, failed shower sealant and fans that vent into the roof space.

Finding the cause

Moisture readings and a look at the likely source show whether it is a building issue.

Fixing it

Reseal, repair the leak or fix the exhaust, then clean. The report lists each step.

Written by our local inspection team from work carried out in Sunbury. Licensed building practitioners, Building & Plumbing Commission registration CDB-U 53425.

Guides

More rental minimum standards guides for Sunbury

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FAQ

Questions Sunbury owners ask about this

Is tenant-caused mould included?

The standard is about mould and damp caused by the building. The report notes the likely source.

Must every bathroom have an exhaust fan?

It needs ventilation, which can be a window, vent or fan.

Do you test mould?

No. We record visible mould and moisture only.

How quickly can it be fixed?

Most items are small trade jobs.

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