Granny flat ROI
Will a granny flat pay for itself?
Plug in your build cost + expected weekly rent and see annual income, holding-cost-adjusted cashflow, and payback in years. Backyard Grannys, Granny Flats X and BMT all charge for this — ours is free.
Gross yield
14.5%
Net annual cashflow
$11,386
Cash-on-cash return
34.5%
on $33,000 equity
Payback period
2.9 years
negative cashflow → payback infinite
Gross annual rent$24,960
Vacancy (4%)-$998
Management (8%)-$1,917
Holding costs (1.5%)-$2,475
Interest (LVR loan)-$8,184