In March 2026, IRD released Interpretation Statement IS 26/01, replacing earlier 2012 guidance on repairs and maintenance for income tax purposes.
It sets out how to decide whether work on a rental property is:
- revenue in nature (generally deductible), or
- capital in nature (not immediately deductible)
The criteria for determining what qualifies as a repair versus a capital improvement has always been a bit confusing for property investors. And accountants have sometimes interpreted the rules differently, which doesn’t help with the confusion.
This guide breaks the rules down in plain language so you can apply them in practice.
Why It's Important To Know The Difference
The tax treatment of property work affects your cashflow.
In general:
If work on a rental property is deemed repairs and maintenance, and incurred while the rental property was leased to tenants, the expense can be claimed in the year it occurred. This will help offset your rental income, reducing overall taxable profit.
On the other hand, ‘capital’ costs may:
- sit outside immediate deductions, and
- only affect tax outcomes later (for example, when the property is sold under rules like the bright-line test)
Because most residential buildings now have a 0% depreciation rate, capital improvements to the building often don’t produce any tax deductions, either immediately or over time. This means investors may not see any tax benefit until the property is sold, making it even more important to correctly identify what qualifies as a repair.
How IRD Assesses Repairs vs Capital
IRD does not apply a fixed formula. Instead, it looks at a combination of factors.
Step 1: Identify the Asset Being Worked On
First, you identify what asset the work relates to.
This matters because a “repair” to one asset can be a “replacement” of another.
Indicators that something may be a separate asset include:
- it can function independently
- it has a distinct role in the property
- it can be replaced without affecting the structure of the building
Examples:
- heat pump
- oven
- hot water cylinder
Step 2: What The Work Actually Did
Once the asset is identified, IRD looks at the following aspects to determine what the work actually did.
- Did it replace or renew the asset?
Even if the work ‘fixes a problem’, it is more likely to be capital if it:- replaces most or all of the asset
- reconstructs a major part of it
- renews it so it is effectively a new asset
- Did the work change the asset’s character?
Even if the asset is not fully replaced, it may still be capital if the work:- significantly upgrades materials
- adds new functionality
- changes how the asset operates
- Context and scale
Small items on their own may be repairs, but if carried out together, they can form capital work. IRD also considers the broader context, including:- whether the work is part of a larger renovation
- whether multiple smaller works combine into a major upgrade
- whether the overall project changes the property or asset in substance
The “What Work Was Actually Done” Rule
IRD is clear that tax treatment is based on the actual work carried out.
You cannot claim deductions for hypothetical repairs.
The tax outcome depends on the work that was actually carried out, not what might have been done differently.
Example:
Imagine a landlord has a rental property with an old leaky roof.
Two options are possible:
- Patch repairs to damaged sections, costing them $5,000 – which would be a repair that could be claimed as an expense
- Replace the entire roof, costing them $25,000 – which would likely be treated as a capital improvement
If the property owner chooses to replace the whole roof, they cannot later say:
“I’ll just claim $5,000 as if I had repaired it.”
Because that repair work was never actually done.
Instead, the tax analysis must look at:
- What work occurred
- What asset was worked on
- Whether the work restored or substantially renewed that asset
When Repairs Become Capital Expenditure
Some common situations where what may seem like repair work is likely to be capital include:
Fixing a Property Right After Buying It
If something was already broken, worn out, or not functioning properly when you bought the property, the cost of fixing it is generally treated as part of acquiring the asset.
In other words:
You are not repairing your damage, you are fixing a problem that already existed when you purchased the property. The price of the property will have reflected the state it was in.
Because of this, the cost is treated as capital expenditure, not a repair deduction.
Scenario
A landlord buys a property for $650,000, knowing it needs work before they can get tenants in.
Shortly after purchase, they spend:
- $25,000 fixing the leaky roof
- $10,000 replacing damaged exterior cladding
Even though this work involves what many may consider ‘repairs’, the tax system views it as part of the true cost of acquiring the property.
So the effective investment cost becomes:
- Purchase price: $650,000
- Initial repairs: $35,000
- Total investment: $685,000
Those repair costs are not claimed as deductions.
Although the cost is not immediately deductible, it still may have tax significance later.
If the property is sold in a situation where tax applies (for example under rules like the Bright-line test), the capitalised costs may increase the cost base used to calculate taxable gain.
Therefore in the scenario outlined above, if the property owner then sold the investment for $800,000 within the bright-line period…
- Without including the repairs: $800,000 – $650,000 = $150,000 taxable gain
- With capitalised repairs: $800,000 – $685,000 = $115,000 taxable gain
So the initial repairs reduce the eventual taxable gain.
Certain items replaced during the initial repairs (for example hot water cylinders, or appliances) may qualify as depreciable assets rather than part of the building itself.
Those assets could potentially be recorded separately as chattels and depreciated over time.
Depreciation is an expense claimed each year, which reduces your taxable profit. It represents the wear and tear (loss of market value) of your assets.
However, most building structure work (like roofing) is typically not depreciable in New Zealand.
Repairs That Are Part of a Larger Project
If repair work is carried out as part of a larger renovation project, it may also be treated as capital expenditure.
For example:
If a full renovation includes:
- structural upgrades
- layout changes
- system replacements
…then smaller repair work done as part of that project may be treated as part of the capital project.
When Repairs Can Still be Deductible
Repairs may still be deductible when:
- a property is temporarily vacant but intended to be rented again
- work is done during the normal course of earning rental income
- the work simply restores existing functionality
But deductions are usually not possible when repairs occur after the rental activity has ended.
As long as the repairs are connected to the income-earning activity, they may still be deductible.
Key Takeaways for Property Investors
1. Repairs restore, and improvements renew
If work restores something to its original condition, it is more likely to be deductible.
If it creates something new or significantly upgrades the asset, it is more likely capital.
2. The scale of the work matters
Large-scale work may be treated as capital even if individual elements could otherwise be repairs.
3. Timing can affect deductibility
Repairs made during rental activity may be deductible; however, after the rental activity ends, they are generally not.
Maximise Tax Deductions and Avoid Surprises
Now that you have a better understanding of the rules, you can maximise tax deductions and avoid surprises at tax time by:
1. Planning maintenance more effectively
Scheduling repairs during rental activity may help ensure deductions are available.
2. Separating repairs from capital projects
Where possible, carry out what could be considered repair work as a standalone project, rather than as part of a major renovation, as that can affect the tax treatment.
3. Documenting everything
To help provide evidence to back up the tax treatment adopted, make sure you are keeping clear documentation of:
- the condition of the property
- the nature of the work
- invoices and scope of work
Need a tax expert for your investment property?
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