What the 18-Year Property Cycle Really Means for Your Borrowing Strategy
If you've been following property news lately, you may have come across analyst Catherine Cashmore's warning about a potential market downturn. She's pointing to the 18-year property cycle, a long-standing theory in property market analysis , and flagging 2026–2027 as a period where the market could shift significantly.
So, What Is the 18-Year Cycle?
The theory goes like this: property markets tend to move through a roughly 18-year pattern of growth, peak, and correction. Based on that model, with the last major cycle peaking around 2008, the next peak is being forecast somewhere around 2026. After a peak, the theory predicts a slowdown or pullback, sometimes a sharp one.
Cashmore's concern isn't unfounded. She points to high household debt, investor speculation pushing prices beyond fundamentals, and the impact of rising borrowing costs on people who stretched themselves at the height of the market.
Not everyone agrees. Several mainstream economists reject the idea that property markets follow a neat, predictable cycle. Australia isn't one market; it's many. Brisbane can be booming while parts of Melbourne are flat. Perth often moves completely out of step with the East Coast. And as property strategist Michael Yardney has pointed out, a genuine national crash requires widespread forced selling and buyers disappearing at the same time. Right now, neither condition is fully in play.
So we have credible voices on both sides. And that, honestly, is the most useful thing to take from this whole conversation.
What This Means If You're Borrowing Right Now
Whether or not the 18-year cycle plays out exactly as predicted, the underlying message is worth listening to, especially for buyers and investors carrying significant debt.
Here's what we think matters most from a lending perspective:
Don't over-leverage. The buyers most at risk during any market softening are those who borrowed at the absolute maximum of their capacity with no buffer. When rates moved in 2022–23, it was those borrowers who felt it hardest. Make sure your loan is structured to handle rate movements, not just today's rate.
Know your cash flow, not just your approval amount. Just because a lender will approve you for a certain amount doesn't mean you should borrow every dollar of it. A borrowing capacity check is a starting point, not a finish line.
Uncertainty Is Not a Reason to Stop. It's a Reason to Plan Better.
Markets have always had uncertainty. The people who come out ahead, in any cycle, are the ones who plan properly, borrow sensibly, and don't make emotional decisions based on headlines.
At KM Financial Service, that's exactly what we do. We’ve been helping buyers across NSW and Australia-wide for over 20 years. We understand the current lending environment, what banks are actually assessing when they look at your application, and how to structure your loan so it works for you through multiple market conditions, not just today's.
Ready to take the next step?
If the headlines have you asking questions about your borrowing position, whether you're buying your first home, looking to invest, or thinking about refinancing, let's talk it through. You can call us on 0402 879 531 or book a free consultation today. Follow us on Instagram and LinkedIn for regular market updates and tips to help you make smarter financial decisions.
