Construction Insurance for Builders—Backed by 95+ Years on the Tools
Builders, carpenters and tradies deserve insurance advice from people who understand construction. At ABS Insurance Brokers, Glen Sim brings more than 35 years in the building industry and Phil Sim brings more than 60 years. Together, they add over 95 years of practical building knowledge to a specialist insurance team.
That means conversations about contract values, subcontractors, tools, plant, defects, variations, project delays and home building compensation start with real industry understanding—not a generic checklist.
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Tell us what you build, where you work and what risks keep you awake.
Review your construction cover
Get practical help reviewing your current policies or arranging cover for a new project.
The Quick Answer: What Insurance Does a Builder Need?
There is no single policy that suits every construction business. A residential builder, commercial contractor, carpenter, civil contractor and sole-trader tradie can face very different contractual obligations, project limits and exposures.
A well-designed construction insurance program may combine contract works insurance, public liability insurance, tools and equipment cover, plant and machinery, commercial vehicles, professional indemnity, management liability and statutory home building compensation cover where required.
The important question is not simply, “Do I have insurance?” It is, “Does my insurance match the work I actually perform, the contracts I sign and the maximum value exposed at any one time?”
Insurance for Builders, Explained by Builders
Construction has its own language and its own pressures. Glen and Phil understand progress claims, provisional sums, subcontractor coordination, defects liability periods, occupied renovations, site security, practical completion and the commercial cost of downtime. That practical background helps ABS ask sharper questions before policies are placed.
Glen Sim—35+ Years
Glen’s career began in carpentry and developed across building, project delivery, construction consulting and expert building work. His insight helps connect site realities with insurance decisions.
Phil Sim—60+ Years
Phil brings more than six decades of building-industry experience. Few insurance conversations are supported by that depth of firsthand construction knowledge.
For established and master builders, experience matters. The larger and more complex the project, the more important it becomes to test policy limits, exclusions, contract requirements, subcontractor arrangements and the interaction between different policies.

A Construction Insurance Program Built Around Your Work
Contract Works
Protection for insured building works, materials and specified risks during construction. Project values, existing structures, transit, testing and defects-related exclusions need careful review.
Public Liability
Responds to covered claims alleging third-party personal injury or property damage arising from your business activities. Builders and subcontractors generally need their own cover.
Tradies Insurance
A practical package may combine liability, tools, vehicles and other cover for carpenters, electricians, plumbers and trade contractors.
Contract Works and Contract All Risks Insurance
Contract works insurance—sometimes described as construction works or contract all risks insurance—is designed to protect insured works and materials against specified physical loss or damage while a project is underway. Depending on the policy, it may also incorporate public liability cover.
Important issues can include:
- whether cover is arranged annually or for a single project;
- the maximum project value and total values under construction;
- alterations and additions involving an existing structure;
- tools, temporary works, materials in storage and goods in transit;
- cyclone, flood, bushfire or other location-specific exposures;
- testing and commissioning;
- subcontractor-caused damage and contractual liability;
- the construction and defects-liability periods; and
- the difference between defective work itself and resulting insured damage.
A builder who understands the job can help explain the exposure clearly; an insurance broker can then help source and compare appropriate policy options.
Public Liability Insurance for Builders and Subcontractors
A construction site can involve multiple independent businesses working side by side. A head builder’s policy does not automatically protect every subcontractor for claims arising from that subcontractor’s own work. Each contractor should check their contractual responsibilities and insured status.
Public liability insurance may respond to covered legal liability claims involving injury to another person or damage to third-party property. Limits of $5 million, $10 million or $20 million are common in the market, but the right limit depends on contracts, principals, work type and exposure. Higher-risk work, hot works, excavation, demolition, work at height and activity at airports, mines or major sites may require special consideration.
Tools, Plant, Vehicles and the Cost of Downtime
For many builders and tradies, the business cannot operate without tools, plant and vehicles. Theft from a ute, fire in a workshop, damage to hired plant or a vehicle accident can interrupt jobs, delay other trades and affect cash flow.
Tools and Equipment
Check insured values, unattended vehicle conditions, overnight storage, replacement basis and geographic limits.
Plant and Machinery
Owned, hired-in or hired-out plant can require different protection, including damage, theft and liability considerations.
Commercial Vehicles
Utes, vans, trucks and fleets should reflect actual drivers, usage, accessories, tools and business operations.

Home Building Compensation Cover in NSW
For residential building work in NSW valued at more than $20,000 including GST, a principal contractor generally needs Home Building Compensation cover unless an exemption applies. Cover must generally be arranged before work starts or money—including a deposit—is accepted.
This statutory cover is different from contract works and public liability insurance. Builders may also need eligibility approval before project certificates can be issued.
Other Covers Growing Construction Businesses Should Consider
As a building business grows, its risks often extend beyond the construction site:
- Professional indemnity insurance may be relevant when a business provides design, specification, certification, project-management or other professional services.
- Management liability insurance can address certain exposures faced by directors, officers and the company.
- Workers compensation insurance is compulsory for many employers, subject to each jurisdiction’s rules.
- Commercial motor insurance can protect individual business vehicles, while fleet cover may suit multiple vehicles.
- Cyber insurance is increasingly relevant where builders hold contracts, plans, employee information and client payment details online.
ABS can help bring these policies into one coordinated review so gaps and unnecessary overlap are easier to identify.
Watch: Home Warranty and Home Building Compensation Explained
This ABS video provides useful background for builders seeking to understand home warranty and Home Building Compensation requirements. Scheme rules and terminology can change, so obtain advice for your current state, project and circumstances.
How ABS Reviews Insurance for a Building Business
1. Understand the Work
Residential or commercial, new builds or renovations, subcontracting, design involvement, locations and maximum project values.
2. Read the Risk
Contracts, existing structures, tools, vehicles, employees, plant, turnover, claims history and high-risk activities.
3. Build the Program
Compare suitable policy structures, limits, excesses, endorsements and exclusions across the required covers.
4. Explain It Clearly
Translate insurance wording into practical construction scenarios so decision-makers understand the trade-offs.
5. Keep It Current
Review cover as contracts, turnover, project size, activities, staff, tools and plant change.
Frequently Asked Questions About Master Builder and Construction Insurance
Is there one policy called master builder insurance?
Not usually. “Master builder insurance” is commonly used as a search phrase for insurance suited to experienced builders. In practice, cover is assembled from policies such as contract works, public liability, tools, plant, vehicles, professional indemnity, management liability and home building compensation where required.
Do master builders need different insurance from other builders?
The policy types may be similar, but an established builder may have larger projects, more simultaneous work, higher turnover, employees, complex contracts, design exposure and more plant or vehicles. Those differences can materially change the limits, wording and insurer appetite required.
Does public liability cover defective workmanship?
Public liability is not a workmanship guarantee. Policies commonly exclude the cost of correcting defective work itself, although some resulting third-party damage may be considered depending on the facts and wording. Never assume—review the policy and notify circumstances promptly.
Is contract works insurance the same as HBCF insurance?
No. Contract works insurance protects insured construction work against specified physical loss or damage. NSW Home Building Compensation cover is a statutory last-resort safety net for eligible homeowners when specified claim triggers occur.
Can a subcontractor rely on the head builder’s insurance?
Not automatically. A subcontractor should confirm the contract requirements and whether they are actually insured under any principal-arranged policy. Many subcontractors need their own public liability, tools, vehicles, personal accident or other relevant insurance.
Why use ABS for construction insurance?
ABS combines insurance-broking capability with Glen and Phil Sim’s 95+ years of practical building-industry experience. The result is a conversation grounded in how builders and tradies actually work.
Construction Insurance for Builders, by Builders
Your building experience deserves insurance advice that speaks the same language. Whether you are an established master builder, licensed builder, carpenter, subcontractor, developer or trade contractor, ABS Insurance Brokers can help review your exposures and arrange cover suited to your operations.
Call 1300 871 318 or request an insurance review today.
Important information: This article provides general information only and does not consider your objectives, financial situation or needs. Cover is subject to insurer acceptance, policy terms, conditions, limits and exclusions. Statutory requirements differ between states and can change. Obtain current advice and read the relevant policy documents before deciding.






