Why gross yield lies (and how to find real cashflow)

Most “high-yield suburb” lists sell you a number that doesn’t survive contact with a bank statement. A property advertised at a 6% gross yield can still cost you thousands a year to hold — while a plainer 5.5% property, bought and structured well, can pay you. With values correcting and rates high, the skill isn’t finding the biggest headline yield. It’s seeing the whole equation before you buy — and knowing how to build cashflow when the market won’t hand it over.

The numbers that matter

4.35% — RBA cash rate; investor mortgage rates sit well above most gross yields.

~3.7% — national gross rental yield; the capitals sit near this average (Cotality).

20–35% — of gross rent eaten by costs, before a cent of mortgage interest.

1 July 2027 — when the tax rules tilt toward cashflow (see below).

Why gross yield lies

Gross yield = (annual rent ÷ price) × 100. A $500k house at $500/wk is a tidy 5.2% — and genuinely misleading, because it ignores every cost of owning.

Net yield takes rates, insurance, management (6–9% of rent), repairs, strata and a vacancy allowance out — 20–35% of gross rent, gone. Then comes the big one: financing. At a 4.35% cash rate, investor rates run well above most gross yields, so a 5.5% gross against a ~6.5–7% rate is negative cashflow on a geared buy, however good the yield looks.

The only honest number is true cashflow: rent minus all costs including your actual loan repayments, for your deposit, your rate, your tax position. Two investors can buy the same property and land on opposite sides of the line.

The true cashflow test

A $620k regional house at $650/wk — a 5.45% gross yield. Illustrative only; your inputs will differ.

Rent $33,800 − operating costs (~28%) $9,460 = net operating income $24,340

80% loan ($496k @ 6.6%): interest $32,736 → −$8,400/yr, despite the “5.45% yield”

60% loan ($372k @ 6.6%): interest $24,552 → ≈ cashflow neutral

Add a compliant granny flat at $320/wk (+$16,640 gross) → the same house swings clearly positive

Positive cashflow is engineered from three levers — entry yield, gearing level, and income you add — not discovered in a yield column.

How to screen for it

1. Filter by yield + price. Start where gross yields are structurally higher — mid-priced markets outside the big-capital cores. Rankings filter thousands of suburbs by minimum yield and a price ceiling that matches your borrowing power.

2. Check the risk behind the yield. A high yield in a thin, single-industry town is not a high yield in a diversified market at 0.9% vacancy. On the Map, read yield alongside vacancy, days-on-market and demand — tight vacancy is what makes a yield bankable.

3. Verify the address. Suburb medians are averages; your property is one point in a wide spread. Model the actual address across long-term, short-stay, granny flat and dual-occ in a full Report — that’s where the true cashflow number lives.

Manufacture it when the market won’t hand it over

Add a dwelling. A granny flat or secondary dwelling adds a second rent to one land holding — often +1–2 points of blended yield. Feasibility depends on land size, zoning and council rules.

Split the income. Dual-occupancy, dual-key or room-by-room lifts gross rent on the same footprint, at the cost of more management.

Short-stay — where it’s allowed. In the right spot an STR can out-earn a lease, but rules vary sharply by state and council. Always check before you assume Airbnb income.

The big one: why this matters more from 2027

The Treasury Laws Amendment (Tax Reform No. 1) Bill 2026 passed on 25 June 2026 and commences 1 July 2027. From then, net rental losses on established dwellings bought on or after 12 May 2026 can no longer offset salary income — only residential rental income or gains. New builds keep full negative gearing; dwellings owned before 12 May 2026 are grandfathered. The 50% CGT discount is replaced by cost-base indexation plus a 30% minimum tax. The direction of travel: underwrite deals that stand up on their own cashflow, not on a deduction against your salary. Model a property’s best strategy → (Legislated, commencing 1 July 2027 — always get personal tax advice.)

The checklist before you buy

1. Is the gross yield above the market average — and why?
2. Does true cashflow work at your gearing and today’s rates?
3. Is vacancy tight and demand real, so the rent is dependable?
4. Can you add income (granny flat, dual-income, compliant short-stay)?
5. Does the specific address — not just the suburb median — stack up in a full Report?

— Pritesh, Founder, Estait

Worked examples are illustrative only. Macro figures (RBA cash rate 4.35%; Cotality national gross yield ~3.7%) are dated and attributed; the tax measures are legislated to commence 1 July 2027. Estimates and general information only, not financial, tax or legal advice — verify for your circumstances.