A realistic overview based on a typical 2-bedroom granny flat (60m²) in Sydney. Figures vary depending on suburb, design, and site conditions.
Granny Flat Rental Income Sydney
Put Your Land to Work
Boost Income
A Granny Flat on Your Existing Block Is One of the Simplest Ways to Boost Your Household Income
Many of our clients build granny flats to create an additional income stream or improve overall property cash flow.
While rental income varies depending on location, design and market conditions, a well-designed granny flat in the right suburb can significantly improve the financial performance of your property. Under NSW legislation, homeowners are permitted to lease a granny flat to any tenant for income purposes.
Lease the Granny Flat and Keep the Main House
Typical 2-bedroom granny flat projects in Sydney may range from approximately $160,000 to $230,000, depending on design, approvals, and site conditions.
Estimated rental income may range from $450 to $550 per week in Western Sydney, and around $550 to $700 per week in Inner West, Ryde, and eastern areas.
Depending on total investment and rental return, gross yield may sit at approximately 11% to 16%, with a general payback period of around 6 to 9 years before expenses.
Disclaimer: These figures are general estimates only. Rental income, site costs, approvals, and returns vary depending on suburb, design, slope, access, and market conditions. We provide a free site assessment with more project-specific guidance.
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Or Flip It Move Into the Flat and Lease the House
Feeling weighed down by a large home with rooms nobody uses? Consider the reverse approach: downsize into a brand-new, purpose-built granny flat and lease the main house to tenants.
You benefit from a modern, energy-efficient dwelling with lower running costs and minimal upkeep — while the rental income from the larger property covers far more than a granny flat mortgage ever would.
Smaller home. Smaller bills. Bigger income.

