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lucindam(Newbie)Newbie
6 Aug 2025

Hi all,


I am thinking of the below situation and hope someone can provide some insights.


Starting point:-

- I have a property (property 1) that I am living in since day 1 and there is no mortgage. It's now worth 1mio.

- I have 1mio cash


Scenario 1

- I sell property 1. There is no CGT and I will get 1mio

- I buy a property 2 worth of 1.5mio to move in

- I have 500k left and I do a mortgage of 500k and buy back property 1 at 1mio and rent it out as an investment property.

- I end up having Property 1 as investment property and Property 2 as owner occupied. And the mortgage interest is tax deductible.


Scenario 2.

- I do a mortgage on Property 1 to draw 500k.

- I use the 500k I borrowed plus 1mio cash to buy Property 2 worth of 1.5mio.

- I then move in to Property 2 and rent out Property 1.

- I end up having Property 1 as Investment property and Property 2 as owner occupied. But the interest on my mortgage is NOT tax deductible.


And I right for the above? If yes, if anyone wants to be tax effective they need to sell first and buy back (as in scenario 1)? But this doesn't sound logical to me. Am I missing something or is there any provision in the tax law to take into account of similar situation such that the property owner doesn't need to do this unnecessary transaction?


Thanks.

103 views
3 replies
103 views
3 replies

All replies

KaraATO(Community Support)Community Support
8 Aug 2025

Hey @lucindam,


You can find general info about interest expenses here, but your question is more about planning and choosing the best way to invest.


It’s a good idea to talk to a registered tax agent who knows about property, or a financial advisor. They can give you advice that suits your situation.

lucindam(Newbie)Newbie
11 Aug 2025

Hi @KaraATO,


Thanks for your reply!


Can I put it this way?


So when I have a 1mio investment property without any mortgage plus 1mio cash in the bank, I do have 2mio equity I can deploy to buy a new house worth of 1.5mio. if I decide to take a mortgage loan of 500k from the existing property, can this loan be considered as a loan to maintain and converting my existing property into an investment property such that the interest on this mortgage would be tax deductible?


Thanks again.

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