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Matrix Finance
Investment ·7 min read

7 Common Property Investment Mistakes Perth Buyers Make

Avoid these common pitfalls when buying an investment property in Perth — from loan structuring errors to overlooking cash flow.

H
Hoshang
1 April 2026

Perth’s property market offers genuine opportunity for investors — but we see the same mistakes repeatedly. Here are seven to avoid.

1. Mixing personal and investment debt

Using redraw on your home loan to fund an investment deposit can create a tax nightmare. The redrawn portion may not be fully deductible. Always structure investment borrowing as a separate split — preferably with its own offset account.

2. Only looking at purchase price

The true cost includes stamp duty, legal fees, building inspections, landlord insurance, strata levies, council rates, property management fees, and maintenance. Budget for all of them before committing.

3. Over-leveraging

Just because a lender will approve you doesn’t mean you should borrow the maximum. Stress-test your cash flow at 2% above your current rate. Can you still cover the holding costs if rates rise or the property sits vacant for a month?

4. Ignoring cash flow in favour of capital growth

A property that costs you $500/week to hold needs significant capital growth just to break even. Consider properties with stronger rental yields — especially if you’re building a portfolio.

5. Choosing the wrong loan structure

Interest-only vs principal-and-interest, fixed vs variable, offset vs redraw — each choice has tax and cash flow implications. Get your broker and accountant aligned before you apply.

6. Not getting a proper valuation assessment first

Some Perth suburbs are viewed unfavourably by certain lenders. A low valuation can derail your purchase at the last minute. We check expected valuations with the lender before submitting your application.

7. Skipping landlord insurance

One bad tenant experience without insurance can wipe out years of rental income. Budget $300–600/year — it’s not optional.

The bottom line

Property investment works when the structure is right and the numbers are real. We help investors model cash flow, structure loans for tax efficiency, and choose lenders who understand the Perth market.

Talk to us about your investment strategy →

General information only. Seek independent tax and financial advice for your personal situation.

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