Builder Won’t Pay? The Exact Steps to Recover Your Money

You’ve done the work. Your invoice is now weeks overdue. The builder isn’t returning calls, and you’re starting to wonder if you’ll ever see that money. If you’re a tradie or subcontractor in Australia, you’ve got legal tools specifically designed for this situation — and they work faster than you might think.

The good news: you don’t need to wait months for court or hire an expensive lawyer. Australia’s Security of Payment legislation gives you a direct path to recovery. The process is designed to be quick, affordable, and within reach of small operators. Here’s exactly how to use it.

Understand What You’re Actually Entitled To

First up: not all money disputes fall under Security of Payment protection. These laws apply specifically to construction work or goods and services supplied to construction projects. If you’ve supplied materials, labour, or services on a building or construction contract, you’re covered.

The Acts vary by state:

• NSW: Security of Payment Act 1999
• Queensland: Building Industry Fairness (Security of Payment) Act 2017
• Victoria: Security of Payment Act 2002
• Western Australia: Construction Contracts Act 2004
• South Australia: Construction Contracts Act 2003
• Tasmania: Security of Payment Act 2009
• ACT: Security of Payment Act 2009
• NT: Security of Payment Act 2009

Each state’s legislation works slightly differently, but the core principle is the same: they stop head contractors and builders from holding onto money indefinitely. They force a response and create a pathway to resolution much faster than traditional debt recovery.

Follow the Statutory Notice Requirement

Before you can lodge a formal payment claim, most states require you to give the builder written notice that payment is due. This isn’t a suggestion — it’s a legal requirement under the SOP Acts.

Here’s what you need to do:

1. Send a written notice (email is fine) to the builder stating the amount owed, the work performed, and the invoice date.
2. Give them a reasonable timeframe to pay — typically 5–7 business days is standard.
3. Keep evidence that you sent it. Screenshot the email, print the receipt, or use registered post.
4. When the deadline passes unpaid, you’ve now satisfied the notice requirement and can proceed to a formal claim.

Don’t skip this step. It’s quick, it’s documented, and it creates a clear record that you’ve given the builder a fair chance to do the right thing.

Lodge a Payment Claim Under the SOP Act

Once the notice period has expired without payment, you can file a payment claim under your state’s Security of Payment legislation. This is the formal mechanism that forces the builder to respond within a strict timeframe.

When you lodge a payment claim, the builder (called the “respondent”) has a set number of business days to respond — usually 10 business days under most state Acts. They must either:

• Pay the amount in full, or
• Issue a payment schedule explaining what they will pay and when, or
• Issue a payment dispute notice setting out their reasons for not paying.

If they do nothing — or if they issue a payment schedule and then breach it — you can move to the next step without waiting for court.

The payment claim needs to include basic information: what work you did, when you did it, how much you’re claiming, and your supporting documents (invoices, timesheets, photos, delivery dockets). Most claims are straightforward one-page documents with attachments.

Fast-Track Adjudication: The Real Leverage

This is where the SOP Acts become genuinely powerful. If the builder doesn’t pay or issues a payment schedule they can’t stick to, you can apply for fast-track adjudication. This is a rapid, independent assessment of your claim — not a court case.

An adjudicator is appointed to review the claim and the builder’s response. They make a decision, usually within 10–15 business days. The adjudicator’s decision is binding and enforceable immediately — you don’t have to wait for a court case that could drag on for years.

Many debtors choose to pay or settle rather than face fast-track adjudication. Why? Because the adjudicator’s decision is backed by law, and if the builder ignores it, you can enforce it through the courts with minimal additional cost.

The whole process — from payment claim to adjudication decision — can happen in 4–6 weeks. That’s the point. These laws exist because construction can’t operate if money gets stuck.

Keep Your Evidence Together

Whether you’re going for payment or adjudication, your documentation matters. Have ready:

• A copy of the contract or purchase order
• Your invoice, dated and itemised
• Proof the invoice was delivered
• Proof of the work (photos, timesheets, delivery dockets)
• Email correspondence showing the builder understood what was being supplied
• Your statutory notice and proof of delivery

You don’t need a lawyer to gather this. You just need to keep what you’ve already got in your files.

Don’t Delay — Act Now

The longer you wait, the harder it gets. Builders sometimes move money around, go insolvent, or claim they never received your invoice. The SOP Acts give you a defined, statutory process — use it while the debt is still fresh and the builder is still operating.

If you’re owed money on a construction contract in Australia, the Security of Payment Act in your state is your tool. It’s cheaper than a lawyer, faster than court, and designed for exactly your situation.

Start with that written notice. Then, if payment doesn’t arrive, formalise your claim. The law is on your side.

Owed money? You can start your Letter of Demand here — see the whole letter free, then a flat $69 to issue it. PayClaim is not a law firm; payment outcomes are not guaranteed.