Construction loans are a specialised type of financing designed for building new homes, renovating properties, or making large-scale additions. Unlike traditional home loans, construction loans are released in stages as the project progresses.

Whether you’re an owner-builder or working with a licensed construction company, understanding how construction loans work is key to a successful project.

What is a Construction Loan?

A construction loan is short-term financing used to fund the building or major renovation of a property. It’s different from a standard mortgage in several ways:

  • Funds are disbursed in stages (called “draws”) as construction progresses, not in a lump sum.
  • Interest is only charged on the amount drawn, not the full loan value.
  • Once the project is complete, the loan is either paid off or converted into a standard home loan (also known as permanent financing).

Types of Construction Loans

  1. Construction-to-Permanent Loan
    • One loan covers both the construction and the mortgage.
    • Converts automatically into a home loan when construction is complete.
  2. Construction-Only Loan (Standalone Loan)
    • Covers only the building phase.
    • Must be repaid or refinanced into a mortgage after the project ends.
    • Often comes with higher interest rates and stricter approval requirements.
  3. Renovation Loan
    • For major upgrades to existing homes.
    • Funds are released in stages and used similarly to a construction loan.

How Construction Loans Work

  1. Application and Approval Process

To apply, you’ll need:

  • Detailed building plans
  • A fixed-price contract with a licensed builder
  • Construction schedule and budget
  • Council permits and insurance documents

The lender will assess:

  • Your credit history, income, debts, and assets
  • The builder’s qualifications
  • The feasibility of the construction project
  1. Draw Schedule and Fund Disbursement

Funds are released in stages aligned with construction milestones (e.g., slab, frame, lock-up, fit-out, completion). Before each draw:

  • The builder submits an invoice.
  • A third-party inspection confirms the work is complete.
  • If approved, the lender releases the next payment.
  1. Interest Payments

During construction, you only pay interest on the funds drawn—not the total loan amount. These payments are usually made monthly.

Once construction is finished:

  • The loan is either repaid or refinanced into a long-term mortgage with principal and interest repayments.

Eligibility Requirements

To qualify for a construction loan, lenders typically require:

  • Strong credit score and stable income
  • At least a 20% deposit or equity contribution
  • A licensed builder with relevant permits and insurance
  • A realistic budget and timeline

Key Benefits of Construction Loans

  • Customisation: Build your dream home from the ground up, with full control over design and layout.
  • Interest Savings: Pay interest only on the amount drawn down, not the full loan amount.
  • Flexible Financing: Payments align with project phases, giving better cash flow control during the build.

Risks and Challenges

  • Higher Costs: Interest rates and fees are usually higher than standard home loans.
  • Complex Approval Process: Requires detailed paperwork, planning, and lender scrutiny.
  • Potential for Delays and Budget Blowouts: Weather, material shortages, or changes in scope can delay the project or increase costs.

Tip: Always include a contingency budget (typically 10–15%) to handle unexpected expenses.

Final Thoughts

Construction loans offer flexibility and control when building or renovating, but they come with unique requirements and risks. A successful project depends on:

  • Careful planning
  • Choosing the right builder
  • Having financial buffers
  • Understanding loan terms and your obligations

If you’re considering a construction loan, speak with a mortgage broker or financial adviser to ensure it’s the right choice for your situation.

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How can we help?

If you have any questions or would like further information, please feel free to give our office on 08 9221 5522 or via email – info@camdenprofessionals.com.au  or arrange a time for a meeting so we can discuss your requirements in more detail.


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The material on this page and on this website has been prepared for general information purposes only and not as specific advice to any particular person. Any advice contained on this page and on this website is General Advice and does not take into account any person’s particular investment objectives, financial situation and particular needs.

Before making an investment decision based on this advice you should consider, with or without the assistance of a securities adviser, whether it is appropriate to your particular investment needs, objectives and financial circumstances. In addition, the examples provided on this page and on this website are for illustrative purposes only.

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