Unpaid Subcontractor Invoice NSW: Recovery Guide for Tradies

# Unpaid Subcontractor Invoice: Step-by-Step Recovery Process for NSW Tradies

You finished the job. You sent the invoice. The head contractor read your messages. They just will not pay.

This happens to NSW subcontractors every week — sparkies, plumbers, concreters, carpenters, all owed thousands for work already done. You have clear legal options, and the process is faster than you think.

Why subcontractors get stiffed

Head contractors delay payment for three main reasons:

• Cash flow problems — they have not been paid by the builder or developer yet
• Dispute over quality — they claim defects or incomplete work (often exaggerated or invented)
• Deliberate avoidance — they know most subbies will not chase small debts through the system

None of these reasons make the debt go away. If you did the work and invoiced correctly, you are owed the money.

Step 1: Send a Letter of Demand

Before you file anything with NCAT, you must give the debtor a final written chance to pay. Tribunals expect you to attempt resolution first.

A proper Letter of Demand for an unpaid subcontractor invoice in NSW should include:

• Invoice details (date, number, amount owing)
• Work performed and when
• Payment terms from your contract or quote
• Days overdue
• Deadline to pay (typically 7 days from receipt)
• Consequences if they refuse (tribunal application, interest, costs)

Send it by email and registered post so you have proof of delivery.

ClaimDone generates a Letter of Demand and sends it automatically for $79. You upload your invoice and evidence, answer a short questionnaire, and the letter is drafted and delivered within 60 minutes.

Step 2: Gather your evidence while you wait

Give them the full 7 days. Some will pay. Some will respond with excuses or counter-claims.

While you wait, collect:

• Signed contract or quote
• Original invoice and any reminders
• Proof of work (photos, site diary, delivery dockets, timesheets)
• Correspondence showing they accepted the work or acknowledged the debt
• Anything in writing about payment terms

If they claim defects, get your own photos and a written statement from someone else on site. Do not let invented complaints derail a legitimate debt.

Step 3: File with NCAT if they refuse to pay

The NSW Civil and Administrative Tribunal (NCAT) hears small building and construction disputes in the Consumer and Commercial Division.

Jurisdiction limits:

• Up to $30,000 in the General Division
• Up to $10,000 in the Small Claims Division (faster, less formal, no lawyers required)

Most subcontractor invoices fall into Small Claims.

Filing fees (as of 2025):

• $52 for claims up to $2,500
• $104 for claims $2,501–$5,000
• $208 for claims $5,001–$10,000

You can claim the filing fee back if you win.

What you need to lodge:

1. Application form (download from the NCAT website or lodge online)
2. Statement of claim explaining what happened, what you are owed, and why
3. Supporting documents (contract, invoice, Letter of Demand, proof of delivery, evidence of work)

Lodge online through the NCAT portal or in person at any NCAT registry.

Step 4: Serve the application on the debtor

NCAT will give you a hearing date, typically 4–8 weeks out. You must serve a copy of the application and all supporting documents on the debtor at least 14 days before the hearing.

Service can be done by:

• Registered post to their business address
• Email to their known business email (if they have previously agreed to email service)
• Personal service by a process server (costs around $100–$150)

Keep proof of service. If the debtor does not show up at the hearing, you will need to prove they were properly notified.

Step 5: Prepare for the hearing

NCAT hearings are less formal than court, but you still need to be organised.

What to bring:

• Three copies of everything (one for you, one for the tribunal, one for the other party)
• A chronological summary of events (one page maximum)
• Photos on your phone or printed
• Any witnesses who can confirm the work was done properly

What to expect:

• Hearings typically last 30–60 minutes
• The tribunal member will ask you to explain your case first
• The debtor gets to respond and present their evidence
• You get a chance to reply
• The tribunal member may ask questions or try to facilitate a settlement

If the debtor raises defects for the first time at the hearing, point out that they never mentioned this in writing before.

Step 6: Get your order and enforce it

If you win, NCAT will issue a monetary order requiring the debtor to pay within a set time (usually 28 days).

If they still do not pay, you can enforce the order by:

• Garnishee order — intercept money owed to them by a third party
• Writ of execution — sheriff seizes and sells their assets
• Examination notice — force them to disclose their financial situation under oath

Enforcement costs money upfront, but you can add those costs to the debt.

Can you claim interest and legal costs?

Interest: Yes. NSW law allows pre-judgment interest from the date the invoice was due until the date of the tribunal order. You must specifically claim interest in your NCAT application.

Legal costs: In Small Claims, each party usually pays their own costs. But you can recover:

• The NCAT filing fee
• Service costs
• Enforcement costs

In General Division matters (above $10,000), the tribunal has discretion to award legal costs if the other party acted unreasonably.

What if the head contractor is insolvent?

If the company is in liquidation or administration, your NCAT application may be stayed. Check the ASIC register before you file.

If the company is still trading but clearly insolvent, you may want to issue a statutory demand instead. This gives them 21 days to pay or face wind-up proceedings. It is a stronger threat, but only works if the debt is at least $4,000.

How ClaimDone helps NSW subcontractors recover unpaid invoices

ClaimDone’s Proprietary AI Engine reads your invoice, contract, and correspondence, then generates a Letter of Demand tailored to your evidence. The letter is sent automatically by email and registered post for $79 — no lawyer, no subscription, done in 60 minutes.

If the debtor still refuses to pay, ClaimDone can prepare your NCAT application documents, including a drafted statement of claim and chronology, so you can lodge immediately.

You do not fill out templates — you upload what you have, and the system drafts the case.

Start your recovery today

The entire process from Letter of Demand to NCAT order takes 6–10 weeks, and the filing fee is recoverable. Most subcontractors avoid tribunal because they think it is too hard or too slow. It is not.

The alternative is writing off the debt and letting the head contractor do it to the next subbie.

You did the work. You are owed the money. Upload your invoice and evidence to generate your Letter of Demand automatically — ClaimDone will draft and send it today.

Frequently Asked Questions

Do I need a lawyer to recover an unpaid subcontractor invoice in NSW?

No. NCAT’s Small Claims Division is designed for self-represented tradies. You lodge the application yourself, present your evidence at the hearing, and the tribunal member makes the decision. ClaimDone can prepare your Letter of Demand and NCAT documents so you have everything ready to file.

How long does it take to get paid after filing with NCAT?

From lodgement to hearing is typically 4–8 weeks. If you win, the debtor has 28 days to pay. If they still refuse, enforcement (garnishee or writ) takes another 2–4 weeks. Total time: 8–14 weeks from filing to money in your account.

Can I claim interest on the overdue invoice?

Yes. NSW law allows pre-judgment interest from the date the invoice was due until the date of the NCAT order. You must specifically claim interest in your NCAT application.

What if the head contractor claims the work was defective?

If they never raised defects in writing before your Letter of Demand, the tribunal will treat it as a late invention. Bring photos, site diary entries, and any correspondence showing they accepted the work. If there was a genuine defect, they should have notified you in writing and given you a chance to rectify.

What happens if the company goes into liquidation before I get paid?

Your NCAT application will be stayed, and you become an unsecured creditor in the liquidation. This is why speed matters — if you suspect insolvency, send the Letter of Demand immediately and file with NCAT as soon as the deadline expires. For debts over $4,000, consider a statutory demand instead.