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What is builders’ insurance?
Builders’ insurance (the many types of cover available to registered building practitioners) helps cover the cost of common risks, such as negligence claims, property damage, lost tools, and more.
Mistakes and accidents happen even to the best builders, but even a small error could create expensive bills for your business. That’s why many registered building practitioners choose business insurance to help them manage indemnity claims, on-site injuries, replacing damaged tools, and other unplanned bills.

Why do builders need insurance?
Registered building practitioners may need insurance to comply with state or territory law, meet their contractual obligations, and cover unplanned bills when facing a claim.
Meet state/territory legal requirements
Enter a jobsite
Lease a workshop
Work as a contractor or sub-contractor
Who needs builders’ insurance?
Business insurance is considered essential for many types of builders, including residential builders, construction project management, property developers, and many more, like
Builders
Home Renovations or Alterations
Residential Building Construction
Construction Project Management
Commercial Building
Property Developers
House Construction (New Dwellings)
Duplex House Construction
Industrial Building Construction
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What types of insurance do builders need?
We offer a range of policies designed to cover your business, tools, and stock. Build an insurance package that suits your needs and buy in minutes
Popular cover types for builders:
Builders could also consider:
How much does builders’ insurance cost?
The average cost of business insurance for builders is $132 per month* with BizCover. However, the cost of your builders’ insurance will depend on different factors, such as the services you provide and the size of contracts you take on.
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Factors influencing cost
Risks of the industry
Cover level amount
Annual turnover
Number of employees
Claims history
*Customer Average Monthly Payment Report is based on 1 July 2023 to 30 June 2024 and presented as a guide only. It may not reflect pricing for your particular business, as individual criteria will apply.
Get cover that works with the risks of your business
Select different cover amounts for each policy listed below.
This is the most you will be paid out if you need to make a claim.
Unsure how much to choose? Think about:
Underinsurance
We know it’s tempting to select a lower level of cover to reduce premiums, but this can leave businesses shocked and insufficiently covered when making a claim.
Ways underinsurance catches business owners out:
Inflation
With inflation, the cost of living and doing business increases. Remember to cover your owned buildings, tools, and other business assets for the rising costs of replacing or covering them, not what you paid for them – you may be surprised at the difference.
Not covering the full cost of your risks
If you select cover levels for less than the value you may be found liable – left out of pocket when it comes to claims time. It’s important to review your risks and determine how much you will need to cover any claim that may come your way.

Factors influencing cost
Risk of the industry
Cover level amount
Annual turnover
Number of employees
Claims history
*Customer Average Monthly Payment Report is based on 1 July 2023 to 30 June 2024 and presented as a guide only. It may not reflect pricing for your particular business, as individual criteria will apply.
Get cover that works with the risks of your business
Select different cover amounts for each policy listed below.
This is the most you will be paid out if you need to make a claim.
Unsure how much to choose? Think about:
Statutory professional requirements
Cover required by contracts
Number of employees being covered
Your contract value
Worst case scenario claim size
Underinsurance
We know it’s tempting to select a lower level of cover to reduce premiums, but this can leave businesses shocked and insufficiently covered when making a claim.
Ways underinsurance catches business owners out:
Inflation
With inflation, the cost of living and doing business increases. Remember to cover your owned buildings, tools, and other business assets for the rising costs of replacing or covering them, not what you paid for them – you may be surprised at the difference.
Not covering the full cost of your risks
If you select cover levels for less than the value you may be found liable – left out of pocket when it comes to claims time. It’s important to review your risks and determine how much you will need to cover any claim that may come your way.
How it works – buying online
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See how much others have saved by purchasing a policy through BizCover
^ Savings made from January 2024 to April 2025. This information is provided as a guide only and may not reflect pricing for your particular business, as individual underwriting criteria will apply.
Frequently asked questions
As of 1 July 2026, registered building practitioners in NSW are required to have Professional Indemnity insurance to work in the state, under the Design and Building Practitioner Act 2020.
Under the act, registered building practitioners will need a Professional Indemnity policy to undertake “building work”, such as new construction; alterations or additions to existing buildings; and the repair, renovation or protective treatment of a building.
Builders from other states and territories may also need a Professional Indemnity policy if they are working on projects in NSW. Check with your professional association or the Building Commission NSW to understand if a policy is required for your business.
Builders may need Public Liability insurance to enter jobsites or to work as a contractor or subcontractor for another business. A Public Liability policy may also be required to lease commercial office, workshop, or warehouse space.
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