The only 2 things guaranteed and unavoidable in life. Fortunately, if you choose to send off a P85 and move your wealth to Australia then there will be no inheritance tax.

The UK and Aus tax systems vary, the main difference for you is the tax-free allowance in Aus doesn’t change annually, as your pay, allowances, UK rental income etc increases, more of it ends up in higher tax brackets every year, negating the increase.

Here are the tax rates you will be on in Australia 26-27: