Incomplete & Abandoned Building Work Lawyers — All States

Incomplete & Abandoned Work Lawyers — Builder Gone. Project Stalled. Get Legal Help Now.

Q: Can I keep the progress payments I have already paid if the builder abandons the project?

You cannot unilaterally 'keep' progress payments you have already paid — those amounts have been paid under the contract. However, if the cost to complete exceeds the unpaid balance of the contract price, you have a claim against the builder for the difference — this is your primary monetary claim. If the builder has been overpaid (you have paid more than the value of work completed), you have a claim for the overpayment as well. These claims can be pursued through NCAT (NSW) or VCAT (Victoria), or through the courts for larger disputes.

Q: What happens to my building permit if the builder abandons the project?

The building permit in NSW is issued to the owner (not the builder) — so the permit does not lapse simply because the original builder is replaced. However, the replacement builder must be licensed and must be notified to the relevant authority (in NSW, the local council or a private certifier). The replacement builder should inspect the work done to date — to identify any non-compliant work that needs to be rectified before continuing — and should register as the responsible contractor for the remainder of the project. A building lawyer advises on the permit and notification requirements for the replacement builder.

A builder who abandons a project — stops work without justification, refuses to return, or becomes insolvent mid-project — leaves the homeowner facing significant costs. A building lawyer advises on the rights of termination, the cost to complete, the recovery of those costs from the original builder or their insurer, and the transition to a replacement builder — all as quickly as possible to avoid further losses.

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⚠ If your builder has stopped work, act quickly — incomplete buildings are vulnerable to weather damage that may not be covered by insurance. Home warranty insurance must be claimed within the warranty period from completion. Get urgent building law advice.

Abandoned Building Work Law

Termination and cost recovery — the legal framework

When a builder stops work without justification and refuses to return, the owner has the right to terminate the contract — but must follow the correct procedure to preserve their right to recover the cost to complete from the builder. Under the Home Building Act 1989 (NSW), the contract must include provisions for termination — and the owner's right to terminate for abandonment depends on whether the builder has "abandoned or repudiated" the contract under the relevant clause.

Before terminating, the owner should serve a notice to complete on the builder — requiring the builder to return to site and resume work within a specified time (typically 5–10 business days), and warning that failure to do so will result in termination. If the builder does not respond or refuses to return, the owner may terminate by notice in writing and engage a replacement builder to complete the work.

The owner's claim against the defaulting builder is for the cost to complete — the additional cost (over and above the unpaid balance of the contract price) of engaging a replacement builder to complete the work to the required standard. The cost to complete must be quantified by a qualified quantity surveyor or building consultant, and the owner must mitigate their loss by engaging a replacement builder at a reasonable market rate.

If the builder is insolvent, the owner can make a claim against the home warranty insurance (HWI) policy — which provides last-resort cover for the cost to complete where the builder becomes insolvent, dies, or disappears. In NSW, the HWI insurer is icare. The maximum claim in NSW is $340,000. A building lawyer advises on the insured events under the HWI policy and the claim process.

Incomplete Work Matters

Incomplete and abandoned building work we handle

Builder abandonment — mid-project

Builder stops work during construction — advising on the notice procedure, termination rights, and engaging a replacement builder to complete the project.

Cost to complete

Quantifying the additional cost of engaging a replacement builder to complete the work — through a quantity surveyor or building consultant, forming the basis of the claim against the defaulting builder.

Builder insolvency mid-project

Builder enters liquidation or administration during construction — making a home warranty insurance claim for the cost to complete and managing the transition to a replacement builder.

Retaining progress payment overpayments

Recovering progress payment overpayments — where the owner has paid more to the builder than the value of work completed, leaving a shortfall that increases the cost to complete.

Incomplete work disputes at practical completion

Disputes about whether the building is "practically complete" — whether the remaining items of work are minor defects that can be remedied after handover or constitute incomplete work that the builder must complete before the final payment is due.

Transition to replacement builder

Managing the handover of an incomplete building to a replacement builder — preparing the scope of remaining work, reviewing the replacement builder's contract, and managing the interface between the two builders.

Frequently Asked Questions

Incomplete and abandoned building work questions answered

Can I engage another builder while the dispute is ongoing?

Yes — but the process matters. Before engaging a replacement builder, serve a written notice on the original builder requiring them to return within a specified period, then terminate by written notice if they do not return, then document the state of the work before the replacement builder commences. Engaging a replacement builder before properly terminating may allow the original builder to argue you repudiated the contract.

Can I keep the progress payments I have already paid if the builder abandons?

Progress payments already paid cannot be unilaterally recovered — but if the cost to complete exceeds the unpaid balance of the contract price, you have a claim against the builder for the difference. If the builder was overpaid (you paid more than the value of work done), you have a claim for the overpayment. Both claims can be pursued through NCAT, VCAT, or the courts for larger disputes.

What happens to my building permit if the builder abandons?

In NSW, the building permit is issued to the owner — it does not lapse when the builder is replaced. The replacement builder must be licensed and notified to the relevant authority (local council or a private certifier). The replacement builder should inspect the work to date to identify any non-compliant work before continuing.