BBD Cashflow Lab
Calculate Your Potential Returns
See how a direct-to-builder investment can accelerate your cashflow. Adjust house price, rent, rooms, and interest rate to model your scenario.
BBD Cashflow Lab
Interactive ROI Calculator
Model rent, rooms, house price, and finance — built for builder-direct investors.
$1,401,821
Loan at 70% LVR: $981,275
$370/wk
8 Rooms
7.00%
Rental Income
8 rooms × $370/wk$153,920/yr
Annual Expenses
Council rates- $2,000
Insurance (building + landlord)- $5,000
Property management (8%)- $12,314
Maintenance & repairs- $4,000
Utilities (landlord-paid, 5%)- $7,696
Total Expenses- $31,010
Net Rental Income+ $122,910 / yr
Gross Yield
10.98%
Net Yield
8.77%
Net Cashflow After Finance
Loan $981,275 · 7.00% p.a. · 30yr P&I
+$44,569/ year
≈ $857 / week
After Finance + Tax Benefits
Final TakeawayNet cashflow $44,569 + tax benefits $11,339 at 39% marginal rate
+$55,908
/ year · ≈ $1,075 / week
How We Got Here
Net cashflow after finance$44,569
Depreciation refund ($29,074 × 39%)+ $11,339
Final takeaway / yr+$55,908
Estimates only. Tax outcomes depend on your personal position — confirm with your accountant. Not financial advice.
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