Guide · Getting paid
When a customer disputes extra work
The invoice lands, the phone rings, and suddenly the extra work you did in good faith is “not what we agreed”. How this ends — paid, discounted or written off — is mostly decided by what you do in the next few days, and by what you wrote down weeks ago.
Last updated 2026-07-11 · Reviewed by the TradieCue team
When a customer disputes extra work: don't argue on the phone. Buy time, then assemble the record — notes, photos, messages, the variation document — and reply in writing by walking the timeline: what was found, when it was agreed, who agreed, what it cost. Compromise where your record is thin; hold where it's solid. If it stalls, escalation runs from a formal letter to fair trading to a small claims tribunal — details vary by state.
This is general information, not legal advice. Dispute processes, tribunals and the rules around building contracts differ by state and by contract — for anything beyond a routine disagreement, check with your state's fair trading or building authority, or get proper advice.
First: get off the emotional battlefield
A dispute call is designed — not always deliberately — to get a concession while you're on the back foot. The customer is annoyed, you're insulted, and the fastest way to end the discomfort is to knock money off. That discount feels like peacemaking and costs the same as losing. So don't negotiate live. One sentence does it: “Let me pull up the notes from the job and I'll come back to you today.” It moves the conversation to writing, where records beat volume.
Assemble the record before you reply
Before you respond, gather everything that touches the disputed work, in date order:
- The original quote — what was and wasn't in scope. Many disputes start with a genuine belief the extra was “included”.
- The variation document or written price, and any reply agreeing to it.
- Text and email threads from around the date it was agreed — even messages about other things can mention the extra in passing.
- Photos of what you found and what you did, with dates.
- Job notes from the day: who was on site, what was said and found.
Read it first for another reason too: sometimes the record shows the customer is partly right — scope drifted, or the invoiced price isn't the texted price. Better you find that than they do.
The conversation: walk the timeline, not the emotion
Your reply is a tour of the facts, not a defence of your honour: dates, events, documents, no adjectives.
“I'm not paying the extra $715. We never agreed to anything beyond the quote — you just did it.”
“Hi Mark — I've been back through the job records, here's the sequence. 14 May: found the rotted bearer once the deck boards were up, sent you photos that morning. Same day 11:20am: my message quoting $650 + GST to replace it; your reply at 12:05 was ‘ok go ahead’. 15 May: bearer replaced, after photos attached. The invoice line matches that message: $715 inc. GST. That's the record — screenshots attached, happy to talk it through.”
No accusations — just dates, documents and amounts. Most disputes end here, because most are memory problems, not honesty problems.
If your version has holes — no photos, no written price, a yes from the tenant rather than the owner — you'll feel it as you write, and that tells you how to play the next step.
Where compromise is smart, and where to hold
Compromise is a commercial decision, not a moral one. It makes sense when the record is thin (a verbal yes you can't evidence), when the disputed amount is small against the cost of chasing it, when your own paperwork contributed to the confusion, or when the relationship is worth more than the difference. Hold when the record is solid, the amount is real, and the dispute reads as testing whether you'll fold. If you do settle, settle properly: a specific figure, in writing, stated as full and final for that invoice — a vague “bit off the top” teaches the customer that disputing works.
If it still doesn't move: escalation options
Each step raises cost and temperature for both sides:
- A formal letter of demand. A dated letter stating the amount, the basis (attach the record) and a deadline. Often the first thing a customer takes seriously.
- Your state's fair trading or building authority. Most states offer complaint or conciliation services for trade and building disputes — free or cheap, and a neutral third party changes the dynamic.
- A small claims tribunal or court. Every state has a low-cost forum for smaller civil claims; names, limits and process vary by state. Here the written record stops being helpful and becomes the whole case.
Weigh each step against the amount and your time — a tribunal win over $700 can still be a loss once you've spent three days on it.
Common mistakes
- Discounting on the first phone call. Concessions made to end an awkward moment are permanent. Get to writing first.
- Arguing character instead of facts. “I've been doing this twenty years” persuades nobody. The timeline does.
- Sending the angry message. Everything you write may later be read by a conciliator or tribunal member — write for that reader.
- Letting it age. Disputes don't improve with time — respond within days.
- Vague settlements. “Call it $500 and we're square” — in writing, full and final, or it isn't settled.
- Withholding a fix as a bargaining chip. Genuine defect complaints and payment disputes are separate issues; mixing them weakens your position on both.
The prevention lesson
The pattern across disputes is boring: every one maps to a missing record. No written price — dispute. Yes from the wrong person — dispute. No photo of the rot before it was cut out — dispute. The fix isn't better arguing, it's cheaper capture: document extra work at the moment it's agreed, take photos that show what you found, put a variation clause in your contract, and use a proper variation document for contracted building work. The dispute you're in now is sunk cost; the next one is optional.
Where TradieCue fits
TradieCue can't win a dispute for you — no app can. Its job is upstream: making the record exist because capturing it cost ten seconds instead of an evening. Say the extra out loud on site and Timmy drafts a written variation on the right job — your scope, your price (Timmy never invents an amount), with notes and photos attached to the same job so “pull up the records” is one search. Nothing sends automatically — you review, edit and share every draft yourself. When the phone rings six weeks later, the timeline is already written. See variation capture and job notes.
Common questions
The customer agreed verbally but I have nothing in writing. Am I sunk?
Not necessarily. Assemble what does exist — photos with dates, material receipts, messages that mention the work in passing, the fact the work is visibly done. Then be realistic: a thin record is where a partial compromise is often the commercial call. And send a written summary next time, the moment it's agreed.
Should I just knock money off to keep the peace?
Sometimes — when the record is thin, the amount is small, or the relationship is worth more than the difference. But make it a decision, not a reflex, and put any settlement in writing as full and final. Discounting every dispute trains customers to dispute.
Can I refuse to finish the job until the variation is paid?
Whether you can suspend work depends on your contract and your state's rules — getting it wrong can put you in breach. That's a question for your contract and, if real money is at stake, proper advice — not a move to improvise mid-dispute.
When is small claims actually worth it?
Roughly: when the amount is meaningful, your written record is strong, and conciliation through fair trading has failed. Weigh the filing fee and your days of preparation against the debt — and check your state tribunal's process, since limits and names vary by state.
Try it on your next job
TradieCue is free to download on the App Store. Say a rough note about a real job and review the draft Timmy produces — nothing is sent until you share it yourself.
Free to download and try. TradieCue Pro is a subscription through Apple: A$24.99/month or A$239.99/year with a 30-day free trial. Apple confirms before any charge.