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Construction Lawyer & Building Solicitors Sydney | Contracts Specialist Law Firm
100 Harris St, Pyrmont
24/7 Customer Support
You can contact us during the above work hours.
Understanding how recent SOPA amendments affect your progress payment rights under the NSW HIA Lump Sum Contract.
You can be confident that you are getting the right legal advice.
Navigating progress payments can be complicated for homeowners building their dream home. This article explains the legal requirements and contractual obligations, including recent changes to the Building and Construction Industry Security of Payment Act 1999 (NSW), and their impact on Clause 17 of the NSW HIA Lump Sum Contract. We provide a guide to help homeowners understand the terminology of progress claims, their legal rights, and options for resolving disputes.
Get a Fixed-Fee Quote NowBefore discussing the impact of changes to the Building and Construction Industry Security of Payment Act 1999 (NSW) on Clause 17 Progress Payment of the NSW HIA Lump Sum Contract, it is important to first understand the basics of progress claims and payment schedules.
A progress claim is a request for payment for work done to date or for goods and materials supplied for a construction project. Under the Security of Payment Act, a progress claim must be made in accordance with the contract.
A payment schedule is your response to a progress claim, indicating the amount you propose to pay or the reason for withholding payment. You must respond within 10 business days if not specified in the contract.
Progress claims and payment schedules are governed both by your HIA building contract and the Security of Payment Act. Both must be complied with to protect your rights.
Request for payment for work completed or materials supplied under the contract.
Your response stating amount to pay and reasons for withholding. Must respond within 10 business days.
Governed by your HIA contract and Security of Payment Act requirements.
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Understanding the distinction between progress claims and payment claims is essential for knowing your rights and obligations under NSW construction law.
A progress claim is a request for payment made under the terms of your building contract.
A payment claim is a formal claim made under the Building and Construction Industry Security of Payment Act 1999 (NSW).
Made under contract terms (Clause 17). Follows contract payment schedule. May not reference SOPA.
Made under Security of Payment Act. Strict requirements. Triggers statutory rights and adjudication.
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It's essential to understand the distinction between the two because even if a progress claim doesn't specifically reference the Security of Payment Act, the Act may still apply to your contract. If the Act applies, you must comply with its requirements when responding to any progress claim, regardless of how the builder labels it.
Clause 17 regulates progress payments and establishes the procedures for claiming and making payments throughout the construction period.
The builder can suspend work if payment is not made in accordance with the contract. This is an important protection allowing them to stop work without breaching the contract when payments are not received.
Failing to make payments on time can result in work stoppage, which may delay your project and potentially increase costs. Always ensure you understand your payment obligations and timeframes.
It is critical for homeowners to understand Clause 17, as it sets out your payment obligations and the builder's entitlement to payment.
Any dispute regarding progress payments can be referred to an adjudicator under the Security of Payment Act
The interaction between Clause 17 and SOPA is critical to understanding your rights when making progress payments
Builder can suspend work if payment not made. This may delay project and increase costs.
Warning: Always make payments on time to avoid suspension.
Understand your payment obligations and builder's entitlement to payment under Clause 17.
Disputes can be referred to adjudicator under SOPA.
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Many homeowners receive progress claims that don't mention the Security of Payment Act. This doesn't mean the Act doesn't apply. Here's what you need to know and do.
Even if a progress claim does not specifically mention the Building and Construction Industry Security of Payment Act 1999 (NSW), the Act may still apply to your contract. If the Act applies, you must comply with its requirements when responding to the progress claim.
Examine Clause 17 of your NSW HIA Lump Sum Contract. Determine what the payment schedule requires and whether the builder has followed the contractual procedures.
Check: Has the builder claimed for the correct stage? Is the amount claimed in accordance with Schedule 1? Has the required work been completed?
If the builder has not followed the payment schedule in your contract, you may be entitled to withhold payment until the builder rectifies the breach.
Important: You must still respond with a payment schedule stating your position and reasons for withholding payment. Do not simply ignore the claim.
If you believe the builder is not entitled to payment, or if you're unsure about your rights and obligations, seek legal advice immediately. Time limits under the Security of Payment Act are strict.
Why it matters: Missing deadlines can result in liability for the full claimed amount, even if you have legitimate grounds to withhold payment.
A construction lawyer can review the claim, assess compliance with contract and Act requirements, and advise on proper response.
Even if disputing the claim, you must provide a payment schedule outlining what you believe is payable and your reasons for withholding any amount.
Essential elements: The payment schedule must clearly state the amount you propose to pay (which can be zero) and provide specific reasons for any amount you're withholding. This should be done carefully and ideally with legal advice.
If the builder continues to demand payment and you believe you have grounds to withhold, you may need to initiate dispute resolution procedures under your contract or consider legal action.
Options include: Adjudication under the Security of Payment Act, NCAT proceedings for building disputes, or negotiated settlement with legal assistance.
Ignoring the Claim
Never simply ignore a progress claim. This can result in automatic liability for the full amount.
Missing Deadlines
Failing to respond within required timeframes (5 working days under Clause 17, or timeframes under SOPA).
Informal Responses
Responding informally via email or phone instead of providing proper payment schedule.
Vague Reasons
Providing vague or general reasons for withholding payment instead of specific, detailed grounds.
Even without SOPA reference, the Act may still apply. You must comply with its requirements.
Check Clause 17 requirements, payment schedule, and whether builder followed procedures.
Determine if builder followed payment schedule. You may withhold if they didn't, but must provide payment schedule.
Seek prompt legal advice if unsure. Missing deadlines can result in liability for full amount.
Provide payment schedule stating amount and specific reasons for withholding. Do this carefully with legal advice.
If dispute continues, consider adjudication, NCAT, or negotiated settlement.
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Significant changes were made in 2019 affecting progress claims and payment schedules under HIA contracts.
20 Business Days
Maximum Payment Term
One of the key changes is the introduction of a maximum payment term for progress payments. Payment terms in construction contracts cannot exceed this maximum period, providing clarity about when payment is due.
New rules for supporting statements that must accompany payment claims for contracts above certain monetary thresholds.
The amendments increased penalties for non-compliance with the Act:
Failing to Provide Payment Schedules
Significant financial penalties apply
Non-Compliant Payment Claims
Claims not meeting Act requirements face penalties
New provisions regarding retention money:
Trust Requirements
Retention money must be held in trust
Limitations on Withholding
Specific rules about when retention can be withheld
20 Days
Maximum payment term for progress payments from when claim is made.
New requirements for payment claims above thresholds. Authorised person declaration and work verification required.
Significant penalties for failing to provide payment schedules or non-compliant claims.
Must be held in trust with specific rules about when it can be withheld.
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The payment schedule in your HIA contract sets out when progress payments are due. Understanding this schedule is critical for managing your cash flow and protecting your rights.
The payment schedule in your HIA Lump Sum Contract is typically set out in Schedule 1. This schedule must comply with the Security of Payment Act, including the maximum 20 business day payment term introduced in 2019.
Your contract's payment schedule should detail the stages of work, the amount payable at each stage, what work must be completed before payment is due, and ensure payment terms don't exceed the statutory maximum.
Before signing an HIA contract, carefully review the payment schedule to ensure:
Strongly recommended before signing an HIA contract to ensure your rights are protected:
Review
Payment schedule review
Explain
Your obligations explained
Identify
Potential issues identified
HIA contract payment provisions must comply with SOPA including 20-day maximum payment term.
Check when payments due, amounts payable, required work completion, and payment term compliance.
Have lawyer review schedule, explain obligations, identify issues before signing.
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Understanding how progress payments are calculated helps you verify that claims from your builder are accurate and comply with your contract.
Progress payments are calculated based on several factors:
The amount of work the builder has actually completed as specified in the contract payment schedule.
The cost of materials used and other expenses incurred in completing the work to date.
Any approved variations or adjustments to the contract price that have been agreed.
The total amount is reduced by any amounts you've already paid under previous progress claims.
Most HIA Lump Sum Contracts use a staged payment schedule. The amount of each progress payment is typically determined by the percentage of the contract price allocated to each stage.
Note: Percentages vary between contracts. Always check Schedule 1 of your specific contract.
When you receive a progress claim, you should carefully review the documentation to ensure:
Work is Actually Complete
The builder has completed the work required for that stage as specified in Schedule 1 of your contract.
Amount is Accurate
The claimed amount matches the percentage or amount specified in the payment schedule for that stage.
Variations are Approved
Any variations included in the claim have been properly approved in writing before the work was done.
Documentation Provided
The builder has provided an invoice or progress claim that clearly outlines the work completed, materials used, and any other expenses.
You should seek legal advice if:
• The progress claim appears inaccurate or doesn't match the contract
• You have concerns about the quality or completion of work
• There are disputes about variations or additional costs
• You're considering withholding all or part of a payment
Based on work completed, materials & expenses, contract adjustments, less previous payments.
Deposit, base, frame, lock-up, fixing, practical completion. Check Schedule 1 for your specific percentages.
Check work complete, amount accurate, variations approved, documentation provided.
If claim seems inaccurate, work quality concerns, variation disputes, or considering withholding payment.
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The final progress claim is the last payment before you take possession of the property. Careful attention to detail is essential at this stage.
Essential checks before releasing final payment:
Retention money (typically 5-10% of the contract price) is an amount withheld as security to ensure the builder rectifies any defects that emerge during the defects liability period.
If there are disputes or disagreements about the final progress claim:
Document Everything
Keep detailed records of all defects, incomplete work, or issues. Take photos and notes.
Seek Legal Advice Immediately
Get expert advice on your rights and options. A construction lawyer can review the final claim and assess your position.
Don't Release Final Payment Prematurely
If builder hasn't complied with contractual obligations or Security of Payment Act, you may have right to withhold payment until issues are rectified.
Check work completion, documentation, financial accuracy, retention arrangements.
5-10% withheld as security. Must be held in trust. Released after defects period.
Document everything, seek legal advice, don't release payment prematurely.
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Avoiding these common mistakes can protect your legal rights and financial interests throughout your building project.
Failing to provide a payment schedule within required timeframes can result in automatic liability for the full claimed amount, even if you have legitimate grounds to withhold payment.
Making progress payments without properly verifying that the work has been completed to the standard required or matches the claimed stage in your contract.
Attempting to handle complex payment disputes without professional legal guidance. Construction law and Security of Payment procedures are technical and missing deadlines can have serious consequences.
Believing that because a progress claim doesn't mention the Security of Payment Act, the Act doesn't apply. The Act may still govern your obligations even without explicit reference.
Responding to payment claims informally via email or phone conversation instead of providing a proper written payment schedule that complies with legislative requirements.
Failing to maintain proper records of all payment claims, payment schedules, and payments made. Good record-keeping is essential for resolving disputes.
Making the final payment before all work is completed, all defects are rectified, and all required documentation (occupation certificate, insurance, warranties) is provided.
Failing to comply with your own payment obligations while properly exercising your rights. Even when disputing claims, follow proper procedures.
Always respond with payment schedule within timeframes to avoid automatic liability.
Verify work completion before making payment. Check against contract requirements.
Get professional guidance for payment disputes. Missing deadlines has serious consequences.
SOPA may apply even without explicit reference. Don't assume it doesn't govern your situation.
Provide proper written payment schedule, not informal email or phone responses.
Maintain proper records of all payment claims, schedules, and payments made.
Wait until all work complete, defects fixed, documentation provided before final payment.
Always comply with payment obligations while properly exercising your rights.
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Understanding the interaction between Clause 17 of the HIA Lump Sum Contract and the Security of Payment Act can be complex, particularly with the 2019 amendments affecting payment terms, supporting statements, and retention money. If you're facing a progress payment dispute, unsure about your obligations under your HIA contract, or need advice on responding to a payment claim, John Dela Cruz can provide clear guidance on your rights and practical options for resolving the matter. With over 17 years focusing exclusively on construction law, John helps homeowners navigate payment disputes and contractual obligations efficiently.
John Dela CruzPrincipal Lawyer, Contracts Specialist
When you work with Contracts Specialist, you receive legal advice directly from John Dela Cruz — Principal Lawyer with over 17 years of exclusive construction law experience.
John is an Australian Legal Practitioner and he services NSW, Queensland, Victoria, and Tasmania. He has dedicated his entire legal career to specialise in construction law. As a former Divisional President of the Master Builders Association NSW, he combines deep legal expertise with comprehensive industry knowledge. He maintains daily experience in building dispute tribunals (NCAT, VCAT, QCAT) and courts across multiple jurisdictions.
Unlike generalist lawyers who handle various legal matters, John specialises exclusively in construction law matters affecting homeowners, builders, contractors, and subcontractors. You receive focused expertise from a lawyer who understands both the legal framework and the practical realities of the building industry.
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If you receive a payment claim under the Security of Payment Act and fail to provide a payment schedule within the required timeframe, you become liable to pay the full claimed amount. This applies even if you dispute the claim. The builder can then commence debt recovery proceedings or seek judgment for the claimed amount. Always provide a payment schedule, even if you're disputing the claim.
Under Clause 17 of the NSW HIA Lump Sum Contract, you must pay a progress claim within 5 working days of the builder giving the claim. However, this payment term is also subject to the Security of Payment Act, which allows for maximum payment terms of 20 business days. Your contract payment timeframe applies but cannot exceed the statutory maximum.
Yes, you can withhold payment for legitimate reasons, but you must follow proper procedures. You must provide a payment schedule stating what you propose to pay and your reasons for withholding any amount. You cannot simply refuse to pay or ignore the payment claim. It's highly advisable to seek legal advice before withholding payment to ensure you're following correct procedures.
The 2019 amendments introduced several significant changes including: maximum payment terms of 20 business days, new supporting statement requirements for payment claims above certain thresholds, increased penalties for non-compliance with the Act, and new provisions about retention money including trust requirements and limitations on withholding.
Retention money is typically 5-10% of the contract price withheld as security to ensure the builder rectifies any defects during the defects liability period. Under the 2019 amendments, retention money must be held in trust. It's released after the defects period expires and all defects have been properly rectified according to the contract terms.
Yes, under Clause 17 of the HIA contract, if a progress payment is not made when due, the builder has the right to suspend work. However, the builder must follow proper procedures and provide appropriate notice before suspending. If you're facing suspension threats, seek legal advice immediately to understand your rights and the builder's obligations.
A progress claim is a request for payment made under the terms of your building contract (such as Clause 17), while a payment claim is a formal claim made specifically under the Security of Payment Act. The key difference is that a progress claim is made under contract provisions, whereas a payment claim is made under the Act and triggers statutory payment and adjudication rights. However, even if a claim doesn't reference the Security of Payment Act, the Act may still apply to your contract.
Yes, it's highly advisable to seek legal advice if you're unsure about your rights, considering withholding payment, or facing a payment dispute. Construction law and Security of Payment procedures are technical, with strict timeframes. A construction lawyer can review the payment claim, assess compliance with contract and Act requirements, prepare a proper payment schedule response, and advise on your rights and options. The consequences of responding incorrectly can be severe, including liability for the full claimed amount.
You become liable to pay the full claimed amount. Builder can commence debt recovery. Always provide a payment schedule.
5 working days under Clause 17. Maximum 20 business days under SOPA. Your contract timeframe applies but cannot exceed statutory maximum.
Yes, for legitimate reasons but must provide payment schedule stating reasons. Cannot simply refuse to pay. Seek legal advice first.
Maximum 20 business day payment terms, supporting statement requirements, increased penalties, new retention money trust provisions.
5-10% withheld as security. Must be held in trust under 2019 amendments. Released after defects period expires and defects rectified.
Yes, under Clause 17 if payment not made. Must follow proper procedures and provide notice. Seek legal advice if facing suspension.
Progress claim is under contract terms. Payment claim is under SOPA with statutory rights. Act may still apply even without explicit reference.
Highly advisable if unsure or considering withholding payment. Lawyer can review claim, assess compliance, prepare proper schedule. Consequences of responding incorrectly can be severe.
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Explore our comprehensive guides to learn more about your rights and obligations under construction law.
Comprehensive guide to the Security of Payment Act covering payment claims, payment schedules, adjudication processes and your rights under NSW construction law.
Essential guide for homeowners to understand your rights and obligations under the Security of Payment Act when dealing with progress claims and payment disputes.
Comprehensive guide covering payment claims, schedules, adjudication and your rights.
Essential guide for homeowners on rights and obligations under the Security of Payment Act.
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If you’re a homeowner in New South Wales, it’s crucial to understand Construction Law to protect your investment. This ultimate guide to Construction Law is specifically designed to provide homeowners with essential insights into the legal landscape of home building in NSW.
If you’re a homeowner in New South Wales, it’s crucial to understand Construction Law to protect your investment. This ultimate guide to Construction Law is specifically designed to provide homeowners with essential insights into the legal landscape of home building in NSW.