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MichelleFB(Newbie)Newbie
20 June 2025

We are thinking about purchasing a new home (growing family) and keeping our current home as an investment property.

Currently we have our savings in our mortgage re-draw which we plan on using for the deposit of our new home. Once we redraw to fund the purchase of our new home and convert our existing home to an investment property the existing loan we have will be back up to the max remaining owed, for which we'd plan on claiming a deduction on the investment property loan interest.

I have been told we might not be able to claim interest as tax deductable if we convert the property to an investment property and if we use the re-draw facility to purchase a new home as our primary residence, as the transactions on the loan would not be entirely for investment property purposes and we could only claim if we keep our deposit separate from the existing loan (i.e. in an offset). How does this work?

Is it possible to use the re-draw to take out our savings as a deposit, and refinance the existing loan (currently owner occupied) to an investment property loan and then claim the tax deduction on interest charges of the investment loan?


Basically I'm trying to understand if once we refinance our existing loan to an investment property loan does this 'restart the clock' on the loan, so all interest charges relating to the refinanced loan can be claimed as a tax deduction once our new home loan and investment property loan are entirely separate?


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YellowPotato(Taxicorn)Taxicorn
20 June 2025

It may be best to see a financial advisor for this one if unsure the exact amounts and what to do.


If you have time, this ATO ruling on interest deductibility may help you understand the rules and procedures.


Generally, deductibility of a loan is connected to the purpose of the loan. Redraws are a NEW loan, deductibility will depend on what the redraw is used for. [Side note, this is how 'debt recycling' works]


I have been told we might not be able to claim interest as tax deductable if we convert the property to an investment property and if we use the re-draw facility to purchase a new home as our primary residence, as the transactions on the loan would not be entirely for investment property purposes and we could only claim if we keep our deposit separate from the existing loan (i.e. in an offset). How does this work?

  • If it's a mixed loan you claim the portion that is related to the purchase of owner-soon-to-be-rental-property.


Is it possible to use the re-draw to take out our savings as a deposit, and refinance the existing loan (currently owner occupied) to an investment property loan and then claim the tax deduction on interest charges of the investment loan?

  • The type of loan you have shouldn't be an issue with ATO, that's more to do with the bank
  • Whatever is left of the original loan to purchase the owner-soon-to-be-rental-property would be the deductible loan

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Converting owner occupied to investment property & interest tax deductions | ATO Community