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My Neighbour Has Termites: Should I Be Worried?
If you see a pest control truck roll up next door or your neighbour mentions they’ve got termites, you might wonder ‘should I be worried about termites in my home?’
While you’re right to be concerned, there’s no need to panic straight away. However, the termites next door are certainly your business too. How worried you should be depends on more than just your neighbour’s termite infestation. The type of termite activity, the treatment your neighbours have carried out, how close the buildings are, and the conditions around your own home will all influence the likelihood of termites foraging onto your property. With over 40 years of managing termite infestations across Sydney homes, we know that no two properties present the same level of risk. These are the key factors we assess to determine whether your home is vulnerable to termite attack.
- Subterranean termites forage underground across property boundaries, so fences, roads, and footpaths won’t stop them.
- The colony eating your neighbour’s house may have its nest beneath your property, their property, a nearby reserve or even under your street.
- Your neighbour’s termite treatment doesn’t automatically protect your home. Regardless of the treatment carried out, you should never assume your home is protected from subterranean termites.
- Book your annual termite inspection in. If your neighbour has confirmed active termites, don’t wait until your next inspection is due, arrange it now. If you don’t usually have annual termite inspections, it’s probably a good time to start.
- Semi-detached homes, terraces and townhouses that share structural timbers, walls, common roofs or sub-floors carry a higher risk of termite activity spread than detached homes.
How Termites Travel
Subterranean termites forage through an extensive network of underground tunnels in search of timber to feed on. Property boundaries mean nothing to termites, as their underground gallery systems can and often do extend across multiple properties. Australia is home to more than 350 termite species, but only around 20 pest species are responsible for damaging buildings. These pest species live underground and continuously expand their foraging territory in search of new food sources. Once a timber resource is discovered, workers recruit other termites from the colony, allowing large numbers to exploit the same food source.
The useful way to interpret “my neighbour has termites” is not simply that termites are confined to the house next door. It means there is at least one active termite colony in the area, and it has found a suitable source of timber. That colony could be nesting beneath their house, beneath your property, inside a nearby tree or stump, under the street, or within another suitable nesting site in the surrounding area.
Subterranean termites can forage many tens of metres through their extensive underground tunnels. While no single distance should be considered a maximum, subterranean termites commonly forage around 50 metres from their nests in search of timber. The genus Coptotermes is responsible for more than 80% of termite damage to buildings in Australia. If these termites have an established nest within your local area and it can reach your neighbour’s house, then it can probably reach yours. Not a very comforting thought.
The best response is to book a termite inspection in rather than waiting until the problem becomes severe enough that you see visible termite damage to your property.
The One Question to Ask Your Neighbour
If you’re worried about your neighbour’s termites infesting your home, ask them one simple question:
“Was the colony eliminated, or was the treatment designed to protect the house?”
The answer can provide valuable context about the termite activity next door and how it may influence the risk to your property.
Chemical termite barriers are designed to protect the treated building by creating a treated zone that termites cannot safely cross. While these are highly effective at protecting the structure, they don’t necessarily eliminate the termite colony itself, and the threat to the neighbourhood is unchanged.
Baiting systems work differently. They are designed to target the colony by allowing foraging termites to feed on bait and transfer it throughout the colony. Successful baiting programs usually eliminate the colony, removing the risk posed by that particular colony.
What you want to know is whether the treatment was designed to protect the building or target the termite colony. Our termite barriers and baiting systems page explains the difference. If it sounds like you’ve got your own termite problem, our technician can discuss termite treatment options if the inspection finds active termites, or if you merely would like peace of mind termite protection for your property.
Your Neighbour's Treatment Does Not Protect You
Many people assume that once their neighbour’s termite problem has been treated, the risk has been removed for the whole area. That’s not the case. A termite barrier is designed to protect the building it surrounds; it doesn’t extend to neighbouring properties or provide any protection to your home.
Preventing termites from entering one building doesn’t necessarily eliminate the colony responsible for the attack. If the colony remains active, it will continue to forage through the surrounding area in search of suitable food sources.
This is why discovering termites on a neighbouring property should prompt you to have your own property professionally inspected rather than assuming the problem has been solved.
What Raises Your Risk
Some properties are more vulnerable than others when termite activity has been identified nearby.
Semi-detached homes, terraces and townhouses generally carry a higher risk because they may share structural timbers, subfloors or common walls, allowing termites to move through concealed parts of the building once they gain entry. Timber fences, landscaping sleepers, retaining walls and other timber structures can provide additional food sources or concealed pathways between neighbouring properties.
Likewise, old tree stumps, mature trees, buried timber offcuts and other timber in contact with the soil can provide nesting sites or long-term food sources that support termite activity within the area.
Dampness or high moisture is another major factor that increases termite risk. Leaking taps, blocked drains, poor subfloor ventilation, plumbing leaks, and air conditioner condensate discharged against the slab all create damp conditions that are highly attractive to subterranean termites. Garden beds, mulch, paving and other landscaping that cover weep holes or conceal the slab edge don’t attract termites directly, but they can hide termite activity and reduce the effectiveness of a visual termite inspection.
A property with no termite management system, or one installed so long ago that its condition is unknown, may have little or no effective termite protection. Likewise, a home that hasn’t had a professional termite inspection within the past 12 months may be at greater risk of an undetected infestation.
What to Do Now
- First, book in a termite inspection now rather than waiting for the annual one. You have a genuine reason to assess your property’s risk while termite activity has been confirmed nearby.
- Secondly, ask your neighbour what termite treatment they had. Knowing whether they installed a chemical barrier or undertook a baiting program can provide useful background information for your technician.
- Thirdly, assess your own property for termite risk factors. Check that slab edges and weep holes remain visible, and look for timber in contact with the soil, old tree stumps, landscaping sleepers, leaking taps, poor drainage, and other sources of excess moisture. You’re not trying to diagnose termites, you’re simply trying to identify conditions that make your property more attractive to them.
- Fourthly, don’t disturb any suspected termite activity. Avoid breaking open mud shelter tubes, spraying termites with household insecticides or attempting DIY treatments. This is one of the most common mistakes homeowners make. Our article on how to get rid of termites explains why, but the key point is this: an effective termite treatment begins with an undisturbed infestation.
- Finally, address any termite-conducive conditions regardless of what the inspection finds. Pay particular attention to the recommendations made in your termite inspection report and fix anything identified by the technician. Moisture problems, timber in contact with the soil and concealed slab edges increase your termite risk whether the colony next door reaches your property or not.
What You Can and Cannot Control
In practice, your neighbour may choose not to have termites treated, may not know what treatment was carried out, or may simply prefer not to discuss it. While that can be frustrating, it’s largely outside your control.
What you are able to control is your own property. You can manage the moisture problems, remove the timber in contact with the soil, maintain regular termite inspections and install an appropriate termite management system. These factors have the greatest influence on reducing your property’s termite risk.
Even so, it’s worth having a conversation with your neighbour. Sharing information about termite activity and the treatment carried out can help both households better understand the local risk and may even lead to coordinated inspections, and coordinated inspections can also save you a little money. If questions arise about dividing fences or legal responsibilities, they are best directed to the relevant authority or an independent legal adviser.
How Masters Pest Control Sydney Can Help
A termite inspection replaces uncertainty with evidence. It determines whether there are signs of termite activity on your property, identifies conditions that increase your termite risk, and provides clear recommendations on whether any treatment or ongoing management is required.
Our inspections involve a thorough visual and physical examination of all accessible areas inside, outside, beneath and around your home. Where access is limited or additional investigation is warranted, we use thermal imaging cameras, moisture meters and termite detection equipment to assess concealed areas without causing unnecessary damage. If further investigation is recommended, we’ll explain why before any invasive inspection is undertaken.
All inspections and treatments are carried out by our licensed, full-time Sydney technicians.