Termites cause more damage to Australian homes each year than fire, flood, and storms combined, and Perth’s warm climate makes it one of the highest-risk areas in the country. Knowing the signs of termites in Perth homes helps you catch an infestation early, before the damage becomes severe and expensive to repair.
At Bestwest Building, our pest managers carry out timber pest inspections and termite barriers across Perth every week. In this guide, we share what our inspectors actually find on site, including real examples from recent inspections, so you know exactly what to look for in your own home.
In this article:
- Why Perth Homes Are at High Risk
- The Most Common Signs of Termite Activity
- Real Examples From Bestwest Inspections
- What to Do If You Spot Signs of Termites
- Annual Inspections Are Your Best Protection
- Frequently Asked Questions About Termites in Perth Homes
| Signs of Termites at a Glance |
|---|
| • Mud tubes on foundations, walls, or in subfloor areas are a key indicator of termite activity |
| • Hollow-sounding timber when tapped can indicate internal termite damage |
| • Sagging or buckling floors, door frames, or window frames may signal structural timber damage |
| • Discarded wings near doors or windows suggest a recent termite swarm |
| Get a free instant quote at bestwestbuilding.com.au/instant-quote/ |
Why Perth Homes Are at High Risk
Western Australia sits in one of the highest termite risk zones in the country. Perth’s warm, humid conditions through much of the year create ideal conditions for Coptotermes and other destructive termite species.
Most Perth homes built before the mid-2000s were not constructed with modern termite management systems such as physical barriers or treated zones. Even newer homes can be vulnerable if the barrier has not been maintained or if landscaping and drainage changes have created moisture conditions that attract termites.
The Most Common Signs of Termite Activity
Termites often work undetected for months or years before visible signs appear. Knowing what to look for can help you catch an issue before it becomes a major structural problem.
Mud tubes
Termites build mud tubes (also known as leads) to travel between their nest and their food source while staying protected from open air. These tubes are typically found along foundation walls, in subfloor and crawl space areas where accessible, inside wall cavities, and on fence posts or retaining walls.
Mud tubes are one of the most reliable indicators of termite activity. Even if the tubes appear dry or old, they can still indicate a nearby active colony.
Close-up of termite mud tubes on a foundation wall
Hollow or damaged timber
Termites consume timber from the inside out, leaving a thin outer shell that may look normal on the surface. Tapping suspect timber with the handle of a screwdriver can reveal a hollow sound where solid timber should be.
Once termites have eaten through timber, it becomes brittle and can fall apart with very little force. This is particularly concerning when the affected timber is part of the home’s structural framework, such as subfloor bearers, roof framing, or load-bearing walls.
Sagging floors or stiff doors and windows
Termite damage to structural timbers can cause floors to sag, doors and windows to become difficult to open or close, and visible distortion in walls or ceilings. These symptoms are sometimes mistaken for general settling of the home, but they can indicate significant timber damage underneath.
Discarded wings
Reproductive termites (alates) swarm during warmer months, usually after rain. After landing, they shed their wings. Finding small piles of translucent wings near windows, doors, or light sources can indicate a termite colony nearby.
Termite nests in trees or garden areas
Termite nests are not always inside the home. Nests at the base of trees, in garden beds, or in old timber left on the ground can support colonies that forage into nearby structures.
| KEY TAKEAWAY Do not disturb suspected termite activity. Spraying insecticide, pulling apart timber, or removing mud tubes can cause termites to scatter to other parts of the home, making treatment more difficult. |
Real Examples From Bestwest Inspections
These are scenarios our pest managers encounter regularly in Perth. Understanding what they look like in real homes makes it easier to recognise the signs in your own property.
Live termites in a subfloor
During a timber pest inspection, our team found live termites and termite damage on the subfloor bearers of a Perth home. The subfloor was easy to access in this case, with good clearance between the ground and the floor structure, which made it straightforward to assess the full extent of the damage.
Our inspectors documented the activity thoroughly with photographs so the buyers had a clear picture of what they were dealing with. The scenario highlights why full access to the subfloor and crawl space areas where accessible is so important during an inspection. When subfloor access is restricted, termite activity can go undetected for years.
Hidden termite damage in a timber door step
In another inspection, our pest manager identified suspicious timber on the front door step of a property. Nothing was immediately obvious to an untrained eye, but the timber felt soft when tested. When the inspector investigated further, the step began to fall apart, revealing live termites throughout.
This type of damage is often mistaken for general wear and tear or wood rot. The difference matters: wood rot is a fungal issue that can be repaired, while live termite activity requires immediate treatment to prevent the colony from spreading to structural timbers inside the home.
What to Do If You Spot Signs of Termites
If you notice any potential signs of termite activity in your home, the most important thing is to avoid disturbing the area. Do not spray insecticide, pull apart damaged timber, or remove mud tubes. Disturbing the termites can cause them to relocate to other parts of the home, making treatment more difficult.
Contact a licensed pest manager to carry out a thorough timber pest inspection. They will assess the extent of the activity, identify the species, and recommend an appropriate treatment plan.
For ongoing protection, consider a termite barrier treatment. Termite barriers create a treated zone around the perimeter of your home that termites cannot pass through without being affected by the termiticide.
Annual Inspections Are Your Best Protection
The Australian Standard AS3660.2 recommends annual timber pest inspections for all homes in termite-prone areas. Perth falls well within this zone. An annual inspection by a qualified pest manager is the most reliable way to detect termite activity early, before it becomes a major repair bill.
| WHY IT MATTERS Termite damage is not covered by standard home insurance in Western Australia. Regular inspections and preventative barrier treatments are your only financial protection. |
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Frequently Asked Questions About Termites in Perth Homes
How do I know if I have termites or just wood rot?
Wood rot is caused by fungal decay and typically affects timber exposed to ongoing moisture. Termite damage looks similar but is caused by live insects consuming the timber from the inside. A licensed pest manager can tell the difference during a timber pest inspection and recommend the appropriate treatment.
Is termite damage covered by home insurance in WA?
No. Standard home insurance policies in Western Australia do not cover termite damage. This is why regular timber pest inspections and preventative termite barrier treatments are so important for protecting your property.
How often should I get a termite inspection in Perth?
The Australian Standard recommends annual timber pest inspections for homes in termite-prone areas, which includes all of Perth. Annual inspections help detect activity early and are often a condition of termite barrier warranties.
What do termites eat?
Termites feed on cellulose, which is found in timber, paper, cardboard, and some plant materials. In a home, they target structural timbers, timber flooring, door frames, skirting boards, and any timber in contact with or close to the ground such as timber furniture. Termites will only eat dead timber, not living trees, though they may nest in living trees.
