πŸ‡¦πŸ‡Ί AustraliaFinancial year 2026–27WA

Western Australia Stamp Duty Calculator 2026–27

Estimate Western Australia transfer duty using current jurisdiction-specific rates, first-home settings and foreign-buyer architecture.

Last reviewed 7 October 2026 Β· Estimate only, not tax advice

Calculate your estimate

2026–27 financial year Β· Australian dollars Β· results update automatically

Results update automatically

Estimated result

Western Australia stamp duty

General duty before concessions
$29,740.50
Estimated concession
$0.00
Transfer duty
$29,740.50
Foreign purchaser surcharge
Confirm with authority
Estimated total duty
$29,740.50
Effective duty rate
3.97%
Important assumptions
  • Estimate for a transaction in the current rule period. Eligibility, property classification, contract date and linked transactions can change the assessment.

How this calculator works

Estimate Western Australia transfer duty using current jurisdiction-specific rates, first-home settings and foreign-buyer architecture. Inputs are validated, passed to the versioned Australia engine, and recalculated immediately whenever a field changes.

Formula

Duty is dispatched to the selected state or territory rule package and calculated from dutiable value and buyer settings.

Worked example

Use the higher of purchase price and market value, then confirm concessions with the official revenue authority.

Edge cases and assumptions

Tax residency, eligibility dates, exemptions, family circumstances and documentation can change the result. The result card calls out material assumptions and unknown components are not silently changed to zero.

Frequently asked questions

Is this western australia stamp duty exact?

No. It is a transparent 2026–27 estimate. Your final ATO, payroll or state revenue assessment can include facts not entered here.

Does the calculator store my figures?

No. The deterministic calculation runs in your browser and Taxliva does not require an account.

Which financial year does it use?

It uses 1 July 2026 to 30 June 2027 and rule version AU-2026-27-v1.

Official sources

Rule review

Jurisdiction
Australia Β· WA
Financial year
2026–27
Rule version
AU-2026-27-v1
Last reviewed
7 October 2026

Read the Australia methodology β†’

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