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rain58(Enthusiast)Enthusiast
2 May 2026

Hello,


I bought a new electrical hot water tank for a rented property. 


Could you please tell me if I can claim the following:


Depreciation electric hot water tank:  12 years, 16.67%, diminished method.


Depreciation running pipes for hot water system:  10 years, 16.67%.


Electrical wiring for the new tank: capital work deduction, 2.5% for 40 years.  


Thank you in advance

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1 replies
29 views
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Taxduck(Taxicorn)Taxicorn
3 May 2026

A hot water system is 12 years, which includes cost of fitting. (but excludes piping)

Piping is not depreciated over 12 years (or 10). Will be either a repair or replacement of all piping. Replacing would be capital works. As below

Residential rental property items | Australian Taxation Office

Not sure what you mean by electrical wiring. Is this part of fitting the system? If so part of the hot water system cost (12 years depreciation)

A similar post is below

Rental property expenses | ATO Community

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Hot water tank, piping and electrician deductions available for rental property | ATO Community