Buyer Education

Buying an Investment Property: Key Costs

Last reviewed: July 2026

Key takeaways

  • Investors must plan for both the purchase costs and ongoing holding costs, not just the purchase price.
  • Loan interest on an investment property may be tax deductible, but the rules depend on the use of funds — get tax advice.
  • Rental income may not cover all costs; allow for vacancy, management fees, maintenance and strata or land tax.
  • Capital growth and cash flow often trade off — be clear on your strategy before buying.
  • Moving money in and out of an investment loan (such as redraw) can affect tax deductibility — keep records and seek advice.

Buying an investment property is different from buying a home to live in.

The numbers need to work as both a property purchase and an investment.

Investors should think beyond the purchase price and consider loan costs, stamp duty, rental income, management fees, maintenance, insurance, vacancy risk, tax implications and long-term holding costs.

This guide explains common costs to consider when buying an investment property in Australia.

It is general information only and does not provide financial, tax, legal or investment advice.

Purchase price and deposit

The purchase price is the starting point.

The deposit affects the loan amount, loan-to-value ratio and possible lenders mortgage insurance.

For example:

  • Purchase price: $750,000
  • Deposit: $150,000
  • Loan before costs: $600,000
  • LVR: 80%

If the deposit is smaller, the LVR may be higher and LMI may apply, depending on lender policy.

Use the PurchaseWise Property Purchase Calculator to explore deposit and loan scenarios.

Stamp duty

Stamp duty can be a major upfront cost for investment property buyers.

Unlike some first home buyer purchases, investment purchases may not qualify for the same concessions or exemptions.

Rules vary by state and territory, so investors should check the current requirements before making an offer.

Related guide: Stamp Duty Explained in Australia

Loan costs

Investment loans may have different interest rates, fees and approval rules compared with owner-occupier loans.

Loan costs may include:

  • Application fees
  • Valuation fees
  • Settlement fees
  • Annual package fees
  • Mortgage registration fees
  • Lenders mortgage insurance, if applicable
  • Bank legal or documentation fees

Investors should compare both the interest rate and the loan structure.

Principal and interest vs interest-only

Some investors consider interest-only loans to manage cash flow.

Interest-only repayments may be lower during the interest-only period because the borrower is not repaying principal.

However, the loan balance does not reduce through normal repayments during that period, and repayments may increase when the loan switches to principal and interest.

Related guide: Principal and Interest vs Interest Only

Mortgage repayments

Mortgage repayments are usually the largest ongoing cost.

They depend on:

  • Loan amount
  • Interest rate
  • Loan term
  • Repayment type
  • Repayment frequency
  • Loan fees
  • Extra repayments

Investors should test repayments at different interest rates to understand cash flow risk.

Use the PurchaseWise Mortgage Repayment Calculator to run these scenarios.

Rental income

Rental income helps offset the cost of holding the property, but it should be estimated carefully.

Investors should consider:

  • Current market rent
  • Vacancy periods
  • Property management fees
  • Repairs
  • Tenant turnover
  • Advertising costs
  • Lease renewal costs
  • Seasonal demand
  • Local rental supply

A property that looks affordable at full rent may feel very different if it sits vacant for several weeks.

Property management fees

Many investors use a property manager.

Property management costs may include:

  • Management fees
  • Letting fees
  • Lease renewal fees
  • Routine inspection fees
  • Advertising fees
  • Statement fees
  • Tribunal attendance fees, where applicable

Fees vary by agency, state and service level.

A good property manager can help with tenant selection, rent collection, maintenance coordination, inspections and compliance.

Council rates and water charges

Investors usually need to allow for council rates and water charges.

Some water usage may be recoverable from tenants depending on state rules, lease terms and metering arrangements.

Investors should confirm local requirements before assuming costs can be passed on.

Strata levies

If the property is an apartment, villa, townhouse or strata property, strata levies may apply.

These can include:

  • Administrative fund levies
  • Reserve fund or sinking fund levies
  • Special levies
  • Insurance contributions
  • Maintenance costs

Investors should review strata records carefully before buying.

Special levies can be expensive and may affect cash flow.

Insurance

Investment property insurance may include:

  • Building insurance
  • Landlord insurance
  • Contents insurance for landlord-owned items
  • Public liability cover
  • Loss of rent cover, depending on policy
  • Strata insurance, where applicable

Insurance needs vary by property type and ownership structure.

Maintenance and repairs

Every property needs maintenance.

Investors should allow for:

  • Plumbing repairs
  • Electrical repairs
  • Appliance replacement
  • Roof and gutter maintenance
  • Painting
  • Flooring replacement
  • Garden maintenance
  • Air-conditioning repairs
  • Pest treatment
  • General wear and tear

Newer properties may have lower early maintenance, but no property is maintenance-free.

Vacancy risk

Vacancy is the period when the property is not producing rent.

Even strong rental properties can have vacancy between tenants.

Investors should allow for vacancy in their calculations rather than assuming 52 weeks of rent every year.

Land tax

Land tax may apply to investment property depending on the state or territory, land value and ownership structure.

Rules differ across Australia.

Investors should check the current rules with the relevant state or territory revenue office and speak with an accountant if unsure.

Tax and accounting costs

Investment property can have tax implications.

Investors may need help with:

  • Rental income reporting
  • Deductible expenses
  • Depreciation
  • Negative gearing
  • Capital gains tax
  • Loan interest
  • Repairs vs improvements
  • Record keeping
  • Ownership structures

A qualified accountant can help explain how the rules apply to the investor's situation.

Depreciation schedule

Some investors arrange a depreciation schedule from a quantity surveyor.

This may help identify depreciation deductions for eligible building and asset components.

Depreciation rules can be complex, so investors should seek tax advice.

Buyer due diligence costs

Before buying, investors may pay for:

  • Building inspection
  • Pest inspection
  • Strata report
  • Property valuation
  • Rental appraisal
  • Solicitor or settlement advice
  • Town planning checks
  • Insurance quotes

These costs can help reduce the risk of buying the wrong property.

Cash flow example

Imagine an investor buys a property and receives rent each week.

The rent may help cover the mortgage, but the investor still needs to allow for:

  • Loan repayments
  • Property management fees
  • Council rates
  • Water charges
  • Insurance
  • Maintenance
  • Vacancy
  • Strata levies, if applicable
  • Land tax, if applicable
  • Tax and accounting costs

A property can have positive cash flow, neutral cash flow or negative cash flow depending on the numbers.

Capital growth vs cash flow

Some investors focus on capital growth. Others focus on rental yield and cash flow.

A high-growth property may have lower rental yield.

A high-yield property may not always have strong long-term growth.

The right balance depends on the investor's goals, risk tolerance, borrowing position and time frame.

Common mistakes investors make

Mistake 1: Looking only at the purchase price. The full cost includes stamp duty, loan costs, maintenance, management, vacancy and holding costs.

Mistake 2: Assuming rent will always cover everything. Rent may not cover all costs, especially if rates rise or the property is vacant.

Mistake 3: Forgetting tax advice. Investment property tax rules can be complex.

Mistake 4: Ignoring strata records. Strata issues and special levies can affect returns.

Mistake 5: Underestimating maintenance. Even well-presented properties can need repairs.

Mistake 6: Borrowing without a cash buffer. Investors should allow for unexpected costs, vacancy and interest-rate changes.

Final thoughts

Buying an investment property is about more than finding a property and collecting rent.

The numbers need to be tested carefully.

Investors should estimate upfront costs, ongoing costs, likely rent, vacancy risk, tax implications and long-term maintenance before committing.

Use calculators as a starting point, then speak with qualified professionals before making investment decisions.

Related guides

Important disclaimer

This guide is general information only. It is not financial, credit, legal, tax or investment advice. Investment property involves risk. Speak with a qualified mortgage broker, financial adviser, accountant, solicitor, settlement agent or other appropriately licensed professional before making investment decisions.

Written and reviewed by PurchaseWise

PurchaseWise is published by Parkrise Investments Pty Ltd. Responsible publisher: Tony Cowan. Tony has worked in the Australian property industry for many years and is the founder and Managing Director/Licensee of The Property Masters WA. This content is general information only and is not financial, legal, tax or credit advice.

General Information Only. Calculations are estimates only and do not constitute financial advice. Actual repayments, fees and eligibility will vary. Always confirm with your lender or a licensed financial adviser. See our Financial Disclaimer for full details.