Published 26 June 2026 · Last updated 26 June 2026
Quick Answer
How far back you can claim missed depreciation depends on amendment time limits and your circumstances. Even if prior years cannot be amended, a depreciation schedule may still help with future claims and CGT records.
There is no single answer for every investor.
Factors include:
Individual or entity taxpayer type
Amendment period
Date of original assessment
Whether returns were lodged
Whether the property was income-producing
Whether depreciation was available
Whether a schedule exists
Accountant advice
If prior years are closed, investors may still:
Claim future eligible depreciation
Update records
Prepare for CGT
Capture renovation costs
Add new assets
Frequently Asked Questions
Can I claim depreciation from years ago?
Possibly, if amendment rules allow it.
Who checks amendment periods?
Your accountant.
Is a schedule still useful if I cannot amend?
Yes, for future claims and CGT records.
Can I claim missed capital works?
Your accountant should review this.
Can Koste.ai help?
Yes. Koste.ai can help request the required schedule.