Most building contracts split the price into stages. You pay a portion when the slab goes down, another when the frame goes up and so on until handover. It’s a sensible system that protects both sides, yet payment claims are one of the most common reasons homeowners and builders end up speaking to construction dispute lawyers part way through a project.
Why does something so routine go wrong so often? The answer usually lies in small gaps between what the contract says, what each side expects and what’s actually happening on site.
How progress payments are meant to work
The idea is simple. Each stage of the build is defined in the contract, along with the percentage of the price that’s due once that stage is complete. The builder finishes the work, issues a claim and the owner pays within the agreed timeframe.
This keeps money flowing to the builder so they can pay trades and suppliers, while making sure the owner isn’t paying for work that hasn’t been done. When it works, nobody thinks twice about it. Trouble starts when the two sides disagree about whether a stage is truly finished.
The final payment is often the most sensitive of all. It usually falls due around practical completion, which generally means the home is finished enough to use as intended, even if a few minor items remain. Owners understandably want everything perfect before they hand over the last instalment, while builders want to be paid for work they consider done. Agreeing early on how small outstanding items will be handled can take a lot of heat out of that final stage.
What does “complete” actually mean?
Milestone wording is a common culprit. A contract might say a payment is due at “lock-up”, but what does that include? Are the windows in? Is the front door hung, or simply on site? Does the garage door count?
Builders and owners often read these milestones differently. A builder might see a stage as done because the major work is finished. An owner might see loose ends everywhere and feel they’re being asked to pay early.
Good contracts define each stage clearly. If yours is vague, it’s worth getting clarity in writing before the build starts, or at least before the first claim arrives. A short email confirming what a stage covers can prevent a much longer argument later.
Quality concerns and payment
Sometimes the stage is finished, but the owner isn’t happy with how it’s been done. Maybe the brickwork looks uneven or the roof lines don’t match the plans. It’s natural to want those problems fixed before handing over more money.
The difficulty is that quality and completion aren’t always the same thing under a contract. Work can be complete but defective, and the way you raise defects matters. Most contracts set out a process for notifying the builder of problems and giving them a chance to rectify them.
Raising concerns promptly, in writing and with photos, is almost always better than quietly refusing to pay. It creates a record and gives the builder a fair opportunity to respond.
Variations creeping into claims
Changes during a build are common. You might upgrade the tiles, move a wall or add a skylight. Each change usually carries an extra charge, and those charges often appear in progress claims.
If a variation wasn’t properly agreed and documented, its appearance on a claim can come as a shock. Owners may feel they never approved the extra, while builders may feel they did the work in good faith. Keeping every variation in writing, signed by both parties before the work happens, removes most of the guesswork.
Withholding payment is a risky move
When an owner feels a claim is unfair, the instinct is often to hold back the money until things are sorted. It’s understandable, but it can backfire.
Many contracts give builders rights if payments aren’t made on time. Depending on the contract and the law where you live, those rights might include charging interest, suspending work or even ending the contract. A payment dispute can quickly turn into a much bigger problem if one side feels the other has breached the agreement.
Before withholding anything, it’s important to understand what your contract allows. Some contracts let owners withhold amounts in specific circumstances, while others don’t. The rules can also differ depending on where the property is, so general assumptions aren’t a safe guide.
The paperwork that protects you
Good records are the best defence in any payment disagreement. Keep copies of the contract, plans, specifications and every variation. Save emails and text messages with your builder. Take dated photos at each stage, particularly when a claim arrives.
It’s also smart to keep a simple diary of site visits and conversations. Notes like “spoke to the site supervisor about the gutters, he said they’d be fixed by Friday” might seem trivial, but they can become very helpful if a dispute develops.
If you’re unsure about a claim, ask for supporting information. A reasonable builder should be able to explain what work the claim covers and how it lines up with the contract.
Talking before positions harden
Many payment disputes are really communication problems. One side feels ignored, the other feels distrusted, and before long both are digging in. A meeting on site to walk through the work together can clear up more than a dozen angry emails.
If talking doesn’t resolve it, an independent building inspection can help. An inspector’s report gives both sides an objective view of what’s been done and whether it meets the required standard. That alone sometimes settles the matter.
When to get outside help
Some disagreements can’t be solved over a cup of coffee. If a large amount is in dispute, if work has stopped or if either side is threatening to end the contract, it’s time to get advice.
The earlier you understand your rights and obligations, the more options you’re likely to have. Waiting until positions are fixed often makes everything harder and slower. This article is general information only and isn’t advice about your situation. Every contract is different, so speak to a qualified construction lawyer about your own build before making decisions that could affect it.
This article provides general information only and is not a substitute for legal advice. Always seek professional advice tailored to your circumstances.
