Ballarat Building
Inspections

Wood rot or termites? Telling timber damage apart on a Ballarat house

Fungal decay is the timber pest most often found on weathered Ballarat homes. How it differs from termite damage and why both belong in the same report.

Ballarat 3350 · 22 April 2026

In short: In a damp, cool climate fungal decay is often the bigger threat to external timber. An AS 4349.3 inspection reports it alongside termites because both are timber pests.

Two kinds of timber pest

The standard for timber pest inspections covers subterranean termites, borers and fungal decay. On older Ballarat houses we record wood rot far more often than termite activity, mostly in places that stay wet.

Where rot starts

Bottom rails of windows, door thresholds, verandah posts, fascias under leaking gutters and weatherboards close to the ground. Paint that has failed lets water into the end grain and the timber softens from the inside.

How it looks different

Decayed timber tends to be soft, crumbly or cracked into small cubes, often with staining. Termite damage usually leaves timber hollowed along the grain with mud packed into the galleries. We probe gently and photograph what we find rather than breaking anything open.

Why damp weather matters here

Long wet winters with fog and frost mean external timber dries slowly. A board that would survive a few dry summers on the coast can rot within a few years here if paint and drainage are neglected.

What the report says

Each finding is located, photographed and described, with a note on whether it looks like maintenance or something bigger. Where rot has reached structural members such as posts or bearers, we flag it as significant.

What it does not do

We do not cut out timber to measure the extent of decay, and we do not price repairs. A carpenter or builder can scope the repair from the report.

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

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FAQ

Questions Ballarat owners ask about this

Is wood rot a structural problem?

It can be when it reaches posts, stumps, bearers or wall frames. In fascias or trims it is usually maintenance.

Can rot attract termites?

Damp, decaying timber is attractive to termites, so we list it as a conducive condition as well.

Should I repaint or replace?

Sound timber can be repainted. Soft, decayed sections generally need replacing first.

Does a building only inspection cover rot?

A building inspection will note obvious decay, but the timber pest inspection looks for it specifically.

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