Signs of Termites: Key Indicators in Your Home to Spot

Key signs indicating a termite infestation in your home include the presence of mud tubes on walls or piers, timber that produces a hollow sound when tapped, doors and windows that unexpectedly stick, paint that appears bubbled, discarded wings, and distinct clicking or rustling noises originating from within the walls.

These indicators can often be overlooked. Termites consume timber from the inside, which means that a skirting board or door frame may look undamaged while being structurally compromised internally. Here’s what to observe and listen for.

How Can You Effectively Detect Signs of Termite Infestation in Your Home?

Termites often remain hidden, leaving behind subtle signs of their presence. One single indicator does not confirm an infestation. For instance, doors may stick in humid weather, and bubbling paint might simply point to moisture issues. The City of Gold Coast’s termite guide cautions that termites can cause severe damage before detection, making regular inspections essential for the early identification of activity. If you notice any of these signs, avoid disturbing them and seek a professional assessment.

Read: Discovering Flying Termites: What Do They Really Indicate?

Eight Essential Signs of Termites to Observe and Listen For

#1 How to Identify Termite Mud Tubes on Walls, Piers, and Stumps

Mud tubes, also known as shelter tubes, are slender channels of dried mud created by termites. They consist of a mixture of soil, timber particles, and saliva, enabling termites to navigate between their nest and food source while shielded from air and light.

Look for these tubes climbing up external walls, foundations, brickwork, piers, stumps, and fence posts, as well as crossing concrete paths. Many people mistakenly interpret them as dirt splashed by rain. Victoria’s Department of Health points out that when metal ant caps are installed on subfloor stumps, termites often construct visible mud tubes over the cap, making the tops of the stumps key areas for inspection. If you come across a mud tube, do not break or remove it.

#2 How to Listen for Termite Clicking or Rustling Sounds in Your Walls

Termites can be quite noisy. The City of Gold Coast highlights that clicking or rustling sounds within walls or timber often signify termite activity.

Certain termite species communicate through vibrations. Research from the University of Technology Sydney in 2018, based on studies by Sebastian Oberst, shows that Coptotermes acinaciformis, a significant pest, uses vibrations to assess food sources, monitor competitors and predators, and alert their colony. A 2017 study by Joseph Lai, Sebastian Oberst, and Theodore Evans further notes that soldier termites emit vibratory alarm signals to warn worker termites. This research relates to vibrations transmitted through timber, though it does not specify which vibrations may be audible through walls.

If you think you’ve heard clicking or rustling within a wall, take note of the location and avoid disturbing it. Termites are sometimes silent, which is why our termite inspections incorporate audible testing using a donga tool, along with thermal and moisture imaging, and Termatrac radar to detect activity beneath surfaces.

#3 How to Observe Timber That Feels Hollow or Soft

Skirting boards, door frames, and floorboards that sound hollow when tapped are common indicators of termite presence. The Gold Coast guide emphasises timber that appears soft or shows signs of damage.

#4 Recognising Sticky Doors and Windows as Possible Signs of Termites

Doors and windows that suddenly become difficult to open or close may indicate a termite problem. Moisture can also cause frames to swell, leading one to believe the issue is due to rain. Termites eat away at the internal structure of door frames and window sills, potentially causing distortion as they hollow out the frame. If you notice multiple doors or windows sticking in your home, it’s prudent to get them inspected.

#5 How to Identify Bubbling Paint as a Potential Sign of Termite Activity

Bubbling or peeling paint that resembles water damage is among the common signs of termite presence according to the Gold Coast council. Termites require moisture in addition to timber. The Australian Museum clarifies that subterranean termites typically become problematic in structures with a consistent water source, such as leaking pipes or roofs.

#6 How to Spot Termite Holes in Ceilings or Walls

Termites can create small openings in plaster, gyprock, or paint as they consume timber. This results in tiny holes, often accompanied by fine, sandy debris. If you notice holes in a ceiling or wall without an obvious cause, treat them seriously, as they may indicate prolonged termite activity within the structure.

#7 Recognising Discarded Termite Wings Near Windows, Doors, or Lights

Flying termites typically leave their nests in warm, humid conditions to establish new colonies, shedding their wings upon landing, as noted by the Australian Museum. According to Victoria’s Department of Health, discarded wings are a reliable indicator of termite presence.

A swarm near your property does not necessarily mean your home is infested, as they can come from nests in gardens, neighbouring yards, or nearby trees. Nevertheless, it serves as a valid reason to arrange for an inspection to determine the location of the colony.

#8 How to Observe Live Termites in Timber or Mud Tubes

Occasionally, you may spot termites themselves within timber, walls, furniture, or broken mud tubes. The Australian Museum describes termites as having pale brown to white bodies with darker heads, bead-like antennae, and a lack of a narrow waist, distinguishing them from ants. Soldier termites have larger, darker heads, and Victoria’s Department of Health notes that Coptotermes soldiers release a white, rubbery, glue-like substance when disturbed. If you encounter live termites, do not disturb them.

Read: Why Winter is the Optimal Time for a Termite Inspection

What Does Typical Termite Damage Look Like?

Termite damage is often hidden behind apparently normal surfaces. Since termites consume timber from the inside out, a wall that looks intact may actually be hollow behind the paint.

Termite damage can resemble wood rot, making it difficult to distinguish between the two. A timber pest inspection conducted in accordance with the Australian Standard AS 4349.3 covers subterranean and dampwood termites, borers, and wood decay fungi (rot), providing clarity on the specific issue at hand. Our pre-purchase termite inspection page details the components of this standard.

Where Should You Inspect for Signs of Termites in a Sydney Home?

Our termite protection guide identifies much of Sydney, including the Hills District, North Shore, Western Sydney, and coastal suburbs, as high-risk areas for termite activity. Key areas to inspect include:

• The roof void and associated roof timbers.
• The subfloor, particularly around stumps and piers.
• Skirting boards, architraves, and door and window frames, especially in moisture-prone areas like bathrooms and laundries.
• Timber fences, retaining walls, and tree stumps.
• Garden beds and mulch adjacent to the home, particularly where they touch the slab edge.
• Wooden furniture and stored timber.

Gum trees located near the house should also be included in your inspection. Victoria’s Department of Health notes that Coptotermes termites prefer nesting in trees, particularly eucalypts, as well as in stumps, beneath concrete floors, and within wall cavities.

What Steps Should You Take If You Discover Signs of Termites?

Avoid disturbing the area. Do not spray, break the mud tubes, or seal openings from which flying termites emerge. Disturbing an active termite lead can cause the termites to relocate, making them even more difficult to locate and treat.

Take a photograph, note the location of the sign, and contact us at 0410 244 244. Share what you observed and where, and we will arrange a termite inspection. If termites are confirmed, our termite treatment page outlines the methods we employ to eradicate the colony and protect your home.

How Does So Pest Off Detect Hidden Termites?

Since termites operate within timber, a So Pest Off termite inspection utilises a combination of four detection methods:

• A visual assessment to identify signs of termite activity and damage.
• Audible testing with a donga tool to locate hollow spots in timber.
• Thermal and moisture imaging. A thermal imaging camera detects temperature variations created by an active nest or moisture pocket behind a surface, while a moisture meter verifies if a wall is retaining unwarranted water.
• Termatrac radar, which detects live termite movement behind plasterboard, timber, brick, and masonry without the need for drilling.

Termatrac, designed in Australia, incorporates radar, thermal, moisture, and temperature sensors. When termites are present in a home, our technician uses Termatrac termite tracking to trace them through walls and frames to their entry points and nest locations, eliminating the need to dismantle walls, skirting, and floorboards to locate them. This method is also beneficial when live termites are found during renovations, allowing us to assess the extent of activity within the walls before additional work is carried out.

The radar detects movement, requiring a quiet and empty environment during tracking. It does not identify previous damage where termites have vacated, which is why tracking is conducted following a comprehensive inspection rather than as a substitute for it.

You will receive a written report complete with photographs, detailing what was inspected, findings, inaccessible areas, and our recommendations. We advise scheduling a termite inspection annually for homes in Sydney, with increased frequency if termites have been previously identified or if the property contains significant timber and moisture.

Final Thoughts on Recognising Signs of Termites

Noticing mud tubes, hearing clicking or rustling in walls, detecting hollow timber, experiencing sticky doors, observing bubbling paint, discovering tiny holes, finding discarded wings, and spotting live termites are all compelling reasons to arrange a termite inspection. Termites can cause considerable damage before they are detected; therefore, it is essential to leave any signs undisturbed and have them professionally assessed.

Contact So Pest Off at 0410 244 244 or schedule a termite inspection. We service the Hills District, Northern Beaches, and Greater Sydney.

Frequently Asked Questions About Signs of Termites

Is It Possible to Hear Termites Within the Walls?

Occasionally. Clicking or rustling noises within walls or timber are commonly cited as indicators of termite activity by the City of Gold Coast. The absence of sound does not guarantee that the house is free from termites, making listening an inadequate substitute for a thorough termite inspection.

What Do Termite Mud Tubes Look Like?

They appear as thin trails of dried mud ascending walls, foundations, piers, stumps, or fence posts, made up of soil, timber particles, and termite saliva. Do not disturb them; instead, arrange for an inspection.

Do Termites Produce Droppings?

Some species do. The City of Gold Coast notes that small, pellet-like droppings, known as frass, often indicate the presence of drywood termites. The WoodSolutions durability guide reports that drywood termites are primarily found in Cooktown, Queensland, and further north, while subterranean termites are the main concern in Sydney, emerging from the soil.

How Can I Differentiate Between Termites and Ants?

Termites lack a narrow waist, have bead-like antennae, and possess pale brown to white bodies, according to the Australian Museum. Although often referred to as white ants, they belong to a distinct insect classification separate from true ants.

How Frequently Should I Schedule a Termite Inspection in Sydney?

We recommend conducting a termite inspection annually for homes in Sydney. Increased frequency is advisable if termites have been previously identified or if the property has significant timber and moisture.

So Pest Off is a family-owned pest control and termite management business situated in Sydney’s Hills District, licensed by the NSW EPA (Pesticide Licences 5103392 and 5201158) and accredited with Termidor, Trelona, and Termatrac.