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Check interest on your GAIC staged payment.

Use the calculator

Use this calculator to check interest on your growth areas infrastructure contribution (GAIC) staged payment.

You should do this on the day you plan to make your staged payment. It does not apply to the first staged payment.

It calculates:

  • interest that applies to the outstanding GAIC liability
  • the total amount payable with your proposed staged payment.

You will need to enter the:

  • total outstanding GAIC liability
  • date you made your previous staged payment
  • proposed staged payment amount (for a single stage or for multiple stages)
  • proposed payment date.

Interest is calculated daily using an annual rate set from 1 July each year.

Calculate interest for your staged payments

Who is it for

This calculator is for those with approval from the Victorian Planning Authority to pay the GAIC under a staged payment arrangement.

Limitations of this calculator

This calculator is not for the first staged payment. To calculate the interest that applies to your initial payment, please contact us.

Terms and conditions

This calculator can only be used for reference purposes.

You acknowledge we may need to recalculate the figures submitted for assessment.

Use of this calculator is subject to:

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Last modified: 27 November 2025
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