LandlordGauge

Capital gains tax on investment property calculator (Australia)

Estimate the income tax on an Australian investment property gain under the current 50% discount and the July 2027 indexation rules.

Your purchase, sale and gain

Purchase and sale

Format: DD/MM/YYYY

Normally the contract date, not settlement. Special acquisition rules are outside this estimate.

Your adjusted cost base, including eligible purchase, improvement and sale costs and required deduction adjustments.

Format: DD/MM/YYYY

Normally the sale contract date. The income-tax table is selected for this date.

Your share of capital proceeds, excluding separate depreciating assets.

Income and July 2027 rules

Annual taxable income before adding this capital gain. Do not include the gain twice.

Announced rules

The reform was enacted in June 2026 for sales from 1 July 2027. Off shows current law only.

Your gain and tax comparison

Example result

Gain

$200,000Sale price less entered cost base

CGT: current-discount baseline

$33,150Estimate with the 50% discount

The entered gain is $200,000, giving an estimated $33,150 of additional resident income tax under the current rules for 2026-27.

CGT under indexation

July 2027 rules
Comparison off

Switch on the comparison to estimate tax under the July 2027 rules.

Difference

July 2027 rules minus current rules
Comparison off

The normal holding-period test is met.

Example: illustrative taxable income of $80,000.

Rates as of