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4 May 2025

Construction Contracts: How Proper Drafting Can Help You Avoid Expensive Mistakes

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PCL Lawyers

Contributor

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A well-drafted construction contract is fundamental to the success of any building project.
Australia Real Estate and Construction

For any large transaction, it is important that you have a well-written and considered contract. The same goes for new builds and renovations. A well-drafted construction contract is fundamental to the success of any building project, outlining the rights, obligations, and expectations of all parties involved.

When construction contracts are inadequately prepared issues can arise leading to disputes, financial losses, project delays, and legal battles. Understanding the risks associated with poorly drafted contracts is essential for owners, developers, contractors, subcontractors, and investors. Our building lawyers overview the key risk factors with construction contracts and practical guidance to ensure compliance.

The Importance of a Robust Construction Contract

The construction contract serves as the backbone of any building project, identifying the parties and defining the scope of work, payment terms, timelines, and dispute resolution mechanisms. However, inadequate drafting can lead to:

  • Ambiguous obligations that create confusion over responsibilities and entitlements.
  • Unclear terms around scope of work, construction period, payments, variations and retentions.
  • Delays and cost overruns stemming from inadequate risk allocation.
  • Legal disputes and litigation, increasing costs, project uncertainty and damaging relationships between the parties.

Key Risks of Poorly Drafted Construction Contracts

1. Unclear Scope of Work

  • Vague descriptions of the work to be performed under a construction contract can lead to disputes over performance standards and deliverables.
  • Lack of detail in materials, specifications, and project milestones may result in mismatched expectations, substandard workmanship and contract variations.

2. Inadequate Payment Provisions

  • Unclear definitions of progress payments, milestones, and variation approvals can lead to cash flow issues and disputes.
  • Poorly structured retention clauses may expose contractors to financial strain.

3. Weak Risk Allocation

  • Lack of clear risk-sharing provisions can result in unforeseen liabilities.
  • Poorly drafted indemnities can leave parties facing excessive and disproportionate financial burdens.

4. Deficient Dispute Resolution Clauses

  • Lack of structured dispute resolution mechanisms (such as mediation and arbitration) increases the likelihood of a dispute proceeding to costly litigation.
  • Jurisdictional ambiguities may complicate and confuse enforcement of contractual terms.

5. Regulatory and Compliance Failures

  • Contracts that fail to account for regulatory frameworks across jurisdictions (for example, in NSW, Victoria and/or Queensland) may be unenforceable in those jurisdictions or may have adverse consequences for the parties.
  • Non-compliance with building codes, planning laws, and workplace safety regulations can result in fines and project shutdowns.

How Often Should You Revise Your Construction Contracts?

Construction contracts should be reviewed and updated regularly to reflect changes in legislation, industry standards, and market conditions. It is recommended to revisit contract terms:

  • At the beginning of each new project – To ensure it aligns with current legal and regulatory requirements and to ensure it adequately reflects the agreement between the parties.
  • When significant legislative changes occur – Keeping contracts compliant with evolving laws in NSW, Victoria, and Queensland and/or other jurisdictions.
  • After disputes or contract issues arise – Learning from past mistakes and improving contract language and clarity.
  • Periodically for risk assessment – Reviewing indemnities, warranties, and dispute resolution clauses to ensure they remain effective and appropriate.

Regular contract updates help mitigate risk, enhance enforceability, and ensure fairness in contractual relationships.

The Importance of Negotiating the Right Clauses

A well-negotiated and considered construction contract can prevent disputes and protect the interests of all parties involved. Key aspects to negotiate include:

  • Scope of work clarity – Ensuring precise and unambiguous descriptions of project deliverables.
  • Payment schedules and variations – Establishing clear, fair payment structures that support cash flow management.
  • Risk allocation – Defining liability exposure and indemnities to protect against unforeseen circumstances.
  • Dispute resolution mechanisms – Negotiating efficient resolution pathways to avoid costly litigation.
  • Termination rights – Setting out fair exit strategies that safeguard contractual obligations.

Proper negotiation ensures that construction contracts are balanced, enforceable, and aligned with the commercial objectives of all stakeholders.

Why Legal Advice From Expert Building & Construction Lawyers is Critical

Poorly drafted construction contracts can expose all parties to significant financial and legal risks. At PCL Lawyers, we assist owners, developers, contractors, and investors across NSW, Victoria, and Queensland in drafting enforceable and commercially viable agreements.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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