The CGT truth: what Australians actually pay on NZ property gains

Australia taxes its tax residents on worldwide capital gains. A holiday home in Pauanui is a CGT asset, exactly like a holiday home in Port Douglas.

When you sell, the gain is assessable in Australia, in Australian dollars. That means currency movement is part of the calculation, in either direction.

The standard machinery applies. Hold the asset for more than 12 months and, as an individual, you're generally eligible for the 50% CGT discount. Your cost base includes purchase costs and capital improvements. The main residence exemption won't help, because this isn't your main residence.

None of this makes the purchase a bad idea. It makes it a normal one. Australians buying in Noosa face the same CGT on sale. Buying in New Zealand doesn't escape that, and it doesn't add to it. What New Zealand does is remove the taxes at the front door: stamp duty, land tax and surcharges.

Not much, but something specific.

New Zealand has no general capital gains tax. It does have the bright-line test: sell a residential property within two years of buying and the gain is generally taxable in New Zealand. The main home exclusion won't cover an Australian's holiday house.

Hold past the two-year window and a straightforward holiday home sale is typically not taxed in New Zealand at all.

If you do get caught, say you sell inside two years, the double tax agreement between the two countries means tax paid in New Zealand generally earns a credit against your Australian liability on the same gain. You don't pay full freight twice.

Rental income is separate. It's taxable in New Zealand from dollar one, then declared in Australia as foreign income, again with a credit for the NZ tax paid. Our investor tax comparison goes through that machinery.

Let's say you buy for NZ$2m and sell years later for NZ$2.6m.

New Zealand: no tax on the gain. The bright-line window expired long ago.

Australia: a NZ$600k gain, converted at the relevant exchange rates, halved by the discount because you held it over 12 months as an individual, then taxed at your marginal rate. Depending on your bracket, think somewhere around an effective 20 to 24% of the gain. The same as the equivalent Australian property.

Now put the front-door saving beside it. Roughly A$95k of stamp duty not paid on the way in. No land tax across the years you own it. And a currency that has tended to convert in your favour.

So the real story isn't 'tax-free gains'. It's 'the same exit tax, and a much cheaper entry and hold'. That's still a very good deal. It just doesn't need dressing up.

Ok, now for the legal bit. This article is general information, not tax advice. CGT outcomes turn on residency, structure, timing and currency. Get advice from an accountant who can see your whole position before you commit.