Interest-Only Loans Australia 2026: Investor Strategy Guide
Meta Title: Interest-Only Home Loans Australia 2026: Complete Broker Guide
Meta Description: Interest-only loans Australia 2026 explained by mortgage broker. Investors save $400/month early years, tax benefits, when to switch P&I.
Interest-only conversations spark curiosity: “I pay zero principal for 5 years?” Investors lean in, calculators ready.
Upfront reality: Interest-only loans let investors pay only interest for 5-10 years, reducing payments $300-500/month on $600k loan. Tax-deductible for investments, principal deferred strategically.
Interest-Only vs Principal & Interest Math
$600k @6.5%:
Interest-only: $3,250/month (all deductible)
P&I: $3,780/month ($530 principal portion non-deductible)
Payment Comparison Table ($600k Investment Loan)
Loan Type | Monthly Payment | Year 1 Interest | Tax Deductible |
Interest-Only | $3,250 | $39,000 | 100% |
P&I | $3,780 | $28,500 | 75% |
The 5-Year Investor Playbook
Years 1-5: Maximise tax deductions, build equity elsewhere. Year 6: Switch P&I, principal drops fast. Multiple properties? Stagger IO periods.
Real Investor Move: Vikram bought $650k unit IO 5 years. Monthly cashflow +$450 vs P&I. Year 6 rents rose 7%, P&I switch affordable. “Tax savings funded deposit #2,” he explained.
Exit Strategy Warning: IO ending forces P&I jump $500+/month. Plan ahead.
Reality Check: APRA tightened IO lending 2023—still available prime borrowers.
About the Author: Mortgage broker at TH Mortgage Solutions.
FAQs
Can first-home buyers get IO? Rarely—investors mainly.
What happens IO period ends? Converts P&I automatically.