Professional Indemnity insurance for builders: Why it matters
Public Liability is usually the first box builders tick, and for good reason. If you’re working on-site and around clients’ biggest assets, it’s important to have protection in place.
But there’s another policy builders are hearing about more and more, and it’s not just a nice-to-have anymore. Professional Indemnity insurance is becoming just as important. And in some states, it’s becoming mandatory.
In this guide, we’ll break down what Professional Indemnity insurance is and what it can help cover. You’ll also get a clear picture of what it doesn’t cover, so you’re not relying on it for the wrong risks.
What is Professional Indemnity insurance?
Professional Indemnity insurance is designed to protect businesses if a third party claims their professional services or advice caused them a loss. For builders, that “professional” part often shows up in the paperwork and decisions that sit around the build.
If a third party alleges they were negligent, didn’t exercise reasonable care and skill, or made an error in the professional side of their role, Professional Indemnity may help protect them. Subject to the policy terms and applicable limits, Professional Indemnity insurance can help cover two big cost areas: compensation businesses may be legally liable to pay, and the defence costs involved in responding to the claim.
What Professional Indemnity does not cover
Professional Indemnity can be a smart safeguard, but it’s not a blanket “everything that goes wrong” policy. The key is knowing where the line is, so you’re not assuming you’re covered for things that sit outside Professional Indemnity
Here are common examples of what Professional Indemnity does not cover:
- Defective workmanship
- Fixing or redoing building work
- Property development activities
- Acting as a building certifier
- Providing design or engineering services
Professional Indemnity is aimed at claims tied to your professional services or advice. It’s not there to pay for poor tradesmanship. Knowing that difference helps you avoid nasty surprises if a dispute pops up.

Where Professional Indemnity is mandatory and what’s coming next
Whether Professional Indemnity is mandatory depends on where you work and what you’re registered to do, but the trend is moving one way: more formal requirements and more situations where you might be asked to show evidence of cover.
In Victoria, Professional Indemnity insurance is already part of the paperwork for certain building practitioner categories. The VBA’s renewal guidance requires practitioners in specified classes to provide proof of Professional Indemnity Insurance as part of the process.
New South Wales is moving in the same direction as well. New legislation will require registered building practitioners to be insured in accordance with the scheme’s requirements. If you fall under the Design and Building Practitioners framework, this is one of those dates worth putting in your calendar now.
Why this matters even if it’s not required for you yet
Even if Professional Indemnity is not a hard requirement for your licence in your state today, the risk it responds to is already part of modern building work.
Projects have become more complex. There are more moving parts, more stakeholders, and more paperwork tied to compliance and decision-making. When something goes wrong, it is rarely one clean, obvious issue. It is usually a chain of small things that stack up.
Supply chains have also become less predictable. Materials may arrive late, and timelines shift. Even when the delay is outside your control, the project still has to absorb the cost somewhere. That is when disputes tend to start.
And once delays snowball, pressure rises fast. Clients want answers. Everyone wants the problem fixed yesterday. In that environment, builders often end up first in line when blame starts getting assigned, because you are the one holding the project together day to day.
Professional Indemnity is one way you can protect yourself from these types of risks. It is less about expecting things to go wrong, and more about having a safety net when they do.
Get covered without the headache
Professional Indemnity is becoming part of the standard toolkit for builders. With requirements expanding and projects getting more complicated, builders are discovering that it’s less about if a dispute or allegation will come up, and more about when.
If the thought of shopping for insurance makes you want to close the tab immediately, you’re not alone. But getting PI in place does not need to turn into a week-long admin mission. That’s where BizCover can help.
With BizCover, you can quote and buy Professional Indemnity cover tailored for builders online in minutes. You can also compare other important policies like Public Liability and Portable Equipment at the same time, so you are not running around to different places to get the basics sorted.
Head to bizcover.com.au to compare quotes and protect your peace of mind today.
This information is general only and does not take into account your objectives, financial situation or needs. It should not be relied upon as advice. As with any insurance, cover will be subject to the terms, conditions and exclusions contained in the policy wording or Product Disclosure Statement (available on our website). Please consider whether the advice is suitable for you before proceeding with any purchase. Target Market Determination document is also available (as applicable). © 2026 BizCover Pty Limited, all rights reserved. ABN 68 127 707 975; AFSL 501769.



