Complete checklist for builder insurance in NZ. Coverage types, coverage limits, contract requirements, and what you need for building consents.
Building in New Zealand requires comprehensive insurance. Most councils won't issue building consents without proof of valid cover, most contracts include insurance requirements, and one incident can expose you to massive liability. This checklist ensures you have the right coverage.
Essential Coverage for Builders
Public Liability Insurance ✓
- ✓[ ] Have current, valid public liability policy
- ✓[ ] Coverage limit minimum NZ$1 million (NZ$2–5 million recommended for commercial work)
- ✓[ ] Policy explicitly covers building work and on-site incidents
- ✓[ ] Policy covers contractual liability if required by contracts
- ✓[ ] Policy covers water damage liability (critical for builders)
- ✓[ ] Policy covers hired contractors and subcontractors (or will you use separate coverage?)
- ✓[ ] Certificate of currency provided to councils and clients before work starts
Tools & Equipment Insurance ✓
- ✓[ ] Have current tools & equipment policy
- ✓[ ] Coverage limit covers total value of tools (list high-value items separately)
- ✓[ ] Policy covers theft from locked vehicles
- ✓[ ] Policy covers on-site theft
- ✓[ ] Policy covers accidental damage
- ✓[ ] Excess level chosen (typical NZ$250–500)
Commercial Vehicle Insurance ✓
- ✓[ ] All work vehicles have commercial vehicle insurance
- ✓[ ] Not personal car insurance (which excludes commercial use)
- ✓[ ] Coverage includes comprehensive or third-party as appropriate
- ✓[ ] All drivers are authorized and their licenses valid
- ✓[ ] Commercial vehicle insurance documents are current
Statutory Liability Insurance ✓
- ✓[ ] Have statutory liability if working with employees
- ✓[ ] Have statutory liability if working on building sites (WorkSafe jurisdiction)
- ✓[ ] Coverage includes WorkSafe fines and penalties
- ✓[ ] Coverage includes legal defence costs
Professional Indemnity Insurance ✓
- ✓[ ] Have PI if offering design-and-build services
- ✓[ ] Have PI if providing specifications or design advice
- ✓[ ] Coverage includes errors and omissions
- ✓[ ] Retroactive cover arranged for past work (claims-made policy)
- ✓[ ] Coverage limit appropriate for project value
Contract Works Insurance ✓
- ✓[ ] Understand client requirements for contract works cover
- ✓[ ] Have contract works insurance arranged before starting work
- ✓[ ] Coverage covers the building under construction
- ✓[ ] Coverage is adequate for construction value
- ✓[ ] Certificate of currency provided to client
Contents & Property Insurance (if applicable) ✓
- ✓[ ] Have contents insurance if operating a workshop or depot
- ✓[ ] Have property insurance if building materials or equipment stored on-site
- ✓[ ] Coverage includes natural disaster protection (earthquake essential in NZ)
Coverage Limit Requirements
Residential Building - [ ] Minimum NZ$1 million public liability - [ ] Most councils accept NZ$1–2 million for residential work - [ ] Small minor renovations: NZ$1 million may suffice - [ ] Larger residential projects: NZ$2 million recommended
Commercial Building - [ ] Minimum NZ$2–5 million public liability - [ ] Most councils require NZ$5 million or higher for commercial projects - [ ] Larger commercial projects: higher limits may be required
Subcontractor Coverage - [ ] Confirm subcontractors have their own public liability insurance - [ ] Obtain certificates of currency from all subcontractors - [ ] Consider extending your policy to cover named subcontractors (if appropriate) - [ ] Never hire unlicensed or uninsured workers
Council and Contract Requirements
Before Building Consent ✓
- ✓[ ] Contact local council to confirm insurance requirements
- ✓[ ] Obtain written confirmation of minimum coverage required
- ✓[ ] Get public liability certificate of currency from your insurer
- ✓[ ] Provide council with proof of insurance before consent issued
- ✓[ ] Keep certificate with consent documents
Contract Requirements ✓
- ✓[ ] Review client contract for insurance requirements
- ✓[ ] Confirm coverage requirements match your policy coverage
- ✓[ ] Obtain any required additional insured endorsements
- ✓[ ] Provide client with certificate of currency
- ✓[ ] Confirm contract works insurance requirements with client
Health and Safety Compliance ✓
- ✓[ ] Understand Health and Safety at Work Act requirements
- ✓[ ] Implement safe work systems for your operations
- ✓[ ] Provide induction and training to all workers
- ✓[ ] Have site safety plan for projects
- ✓[ ] Ensure proper fall protection for height work
- ✓[ ] Ensure proper electrical safety procedures
- ✓[ ] Keep incident records and investigation documentation
- ✓[ ] Document near-misses and corrective actions
Annual Review Checklist ✓
- ✓[ ] Review public liability limits—still adequate?
- ✓[ ] Check all policies are current (haven't lapsed)
- ✓[ ] Update insurer on business changes (employee numbers, turnover, project types)
- ✓[ ] Check if premium increases are justified (shop around every 2 years)
- ✓[ ] Review claims history (can you reduce excess to improve accessibility?)
- ✓[ ] Confirm subcontractors remain insured
- ✓[ ] Update equipment list for tools insurance
- ✓[ ] Review WorkSafe compliance status
Documentation and Records ✓
- ✓[ ] Keep certificates of currency for all policies
- ✓[ ] Keep all policy documents in accessible location
- ✓[ ] Record all claims made (even if declined)
- ✓[ ] Document all incident investigations
- ✓[ ] Keep council approval and consent documents
- ✓[ ] Maintain training records for all workers
- ✓[ ] Keep SafetyDocs or WorkSafe certifications current
Red Flags—Are You Underinsured?
Warning signs you may be underinsured:
- ✓[ ] Public liability limit hasn't increased in 3+ years despite growing business
- ✓[ ] Coverage limit is lower than industry standard for your trade
- ✓[ ] You're taking on commercial projects with only residential coverage
- ✓[ ] Councils have asked for higher coverage limits
- ✓[ ] Clients have requested additional insured endorsements you can't provide
- ✓[ ] You've had claims that exceeded your coverage limit
- ✓[ ] You're unsure what your policy actually covers
Conclusion
Builder insurance in New Zealand isn't optional—it's legally required and essential for business survival. Use this checklist annually to ensure you're fully covered:
- 1.Get comprehensive quotes: Multiple providers offer different terms
- 2.Review coverage annually: Business changes, risks evolve
- 3.Keep documentation current: Certificates of currency, council approvals, contracts
- 4.Understand your coverage: Know what's included and excluded
- 5.Maintain compliance: Health and safety compliance reduces claims and risks
Don't leave your business exposed. Ensure you're fully covered today.
Sources & Further Reading
About the Author
DB
Darin ButlerLinkedIn →
Insurance Specialist & Founder
Darin has spent over 15 years working in commercial and personal insurance sales across New Zealand, Australia, and the UK. He founded Cover4You to help New Zealanders find the right insurance without the runaround. Having personally arranged insurance for hundreds of tradies, builders, and contractors, Darin brings a sharp eye for policy gaps and premium-saving strategies that general comparison sites miss.
