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Building & Pest Inspections: What should actually worry you?

If you’re buying a property in Australia, a building and pest inspection is one of the most important steps before signing on the dotted line.

But when the report arrives, it can feel overwhelming. Pages of notes, photos, and technical terms often make it sound like the house is about to fall down when in reality, most issues are fairly common.

So how do you know what’s normal, and what should genuinely raise a red flag? Here’s how to read between the lines…

First: Expect some imperfections

No property is perfect, especially if it’s not brand new.

Building inspectors are trained to document everything they see, even minor maintenance issues. That might include chipped paint, loose door handles, small cracks in plaster, or worn seals around windows.

While the list can look alarming, these types of issues are usually part of normal wear and tear. In many cases, they’re inexpensive fixes and shouldn’t derail your purchase.

The key is to focus on the bigger structural or safety concerns.

Structural movement or major cracking

One of the things inspectors pay close attention to is structural movement.

Small hairline cracks in walls are very common in Australian homes, particularly in areas with reactive clay soils. These often appear as homes settle over time.

What can be concerning is large, stepped, or widening cracks, particularly around windows, doors, or brickwork. These may indicate ongoing foundation movement or structural stress.

If the report flags this type of cracking, it doesn’t automatically mean you should walk away. But it may be worth seeking a structural engineer’s opinion before proceeding.

Termite activity

Australia has some of the most termite-active environments in the world, so pest inspections are taken seriously.

There’s a big difference between:

  • Past termite activity that has already been treated
  • Active termites currently in the structure
  • Conditions that attract termites (like untreated timber or poor drainage)

Active termites are obviously the biggest concern, as they can cause significant structural damage if left untreated.

However, many reports simply note “conducive conditions”, including things like timber touching the ground, garden beds against external walls, or high moisture areas. These are common and can usually be resolved with simple maintenance.

Moisture and drainage problems

Water is one of the biggest long-term threats to a property.

Signs of ongoing moisture, such as damp subfloors, poor drainage, leaking roofs, or rising damp, deserve careful attention. Over time, excess moisture can lead to timber rot, mould growth, and structural deterioration.

In many cases, the solution may be relatively simple (fixing gutters, improving ventilation, or redirecting drainage), but it’s worth understanding the scope of the issue before you buy.

Roof and subfloor issues

Inspectors will also check areas that buyers often overlook, including the roof space and subfloor.

Things that may require attention include:

  • Sagging roof framing
  • Damaged or rusted roofing materials
  • Poor ventilation in roof cavities
  • Subfloor timber decay or inadequate support

Again, not every issue here is catastrophic. Many older homes simply require periodic maintenance. But anything that affects structural support should be reviewed carefully.

Cosmetic vs structural

Perhaps the most helpful way to approach a building and pest report is to separate cosmetic issues from structural or safety concerns.

Cosmetic items include:

  • Paint and finishes
  • Minor plaster cracks
  • Worn fittings or fixtures

More serious items include:

  • Structural movement
  • Active termites
  • Significant moisture damage
  • Roof or foundation problems

If you’re unsure, talk through the report with your inspector or real estate professional. They can often explain which items are common and which may require further investigation.

The bottom line

A building and pest inspection isn’t designed to scare buyers. It’s there to give you a clear picture of the property’s condition.

Most reports contain a mix of small maintenance items and a few areas worth monitoring. The key is understanding which issues are normal and which could lead to expensive repairs down the track.

With the right advice and a calm approach, a building and pest report becomes less about finding problems, and more about buying your next home with confidence.

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