Wantirna South (VIC 3152) in Focus 2026: $1,181,888 Median, 3% Yield & 84/100 R-Score

Market Classification: Affluent Owner-Occupier Upgrader Market · R-Score: 84/100 (National Rank #2,538 of 15,286) · Street Average: 48/100 across 308 streets.

Wantirna South is an established, high-income owner-occupier market where land scarcity and school/amenity appeal drive long-term capital values ($1,181,888 median). Because gross rental yields sit at 3%, this is not a cashflow play—it is a scarcity and land-banking market suited to high-income investors or rentvestors who prioritise street-level prestige and long-term compounding over immediate net yield.

Below is our full September 2026 quantitative and street-level breakdown for Wantirna South (VIC 3152), combining 36 months of settled price and rental history from our Aurora research warehouse, council-level supply and employment data for Knox (VIC), and block-by-block ABS 2021 Census SA1 tenure and yield rankings across 10,389 residential addresses.

1. Wantirna South (VIC) 3-Year Market Trajectory & 27-Indicator R-Score (September 2026)

Over the past 12 months, Wantirna South’s median house price moved -1.5% (from $1,200,000 to $1,181,888), bringing its 3-year cumulative price movement to +6.8% (from $1,107,000 three years ago). On the rental side, median weekly asking rents moved +1.9% over the past year to $685/wk (+32.7% over 36 months), equating to a 3% gross rental yield. Compared with 12 months ago—when Wantirna South carried an R-Score of 79/100—its current composite R-Score of 84/100 represents a +5-point shift in underlying market pressure.

Indicator / R-Score Pillar	Wantirna South (VIC) Current	12-Month / 36-Month Context
Composite Suburb R-Score	84 / 100	Ranked #2,538 of 15,286 suburbs (was 79/100 12m ago)
Median House Price	$1,181,888	12m change: -1.5% · 36m change: +6.8%
Median Weekly Rent & Gross Yield	$685/wk (3%)	12m rent change: +1.9% · 36m rent change: +32.7%
Rental Vacancy & Days on Market	2.6% vacancy	Median selling time: 43 days on market (1.5% vacancy is the tight-market line)
Pillar 1: Buyer Demand	37 / 100	Measures days-on-market compression, vendor discounting & sales velocity
Pillar 2: Supply & Ownership	35 / 100	Measures stock on market, building approvals vs stock & owner-occupier share
Pillar 3: Price Momentum	73 / 100	Measures short/medium-term price velocity vs Knox & VIC
Pillar 4: Yield Pressure	48 / 100	Measures gross rental yield, rent trajectory & vacancy compression

2. The “Two-Speed Suburb” Test: Best & Worst Streets in Wantirna South (VIC)

Why do two 4-bedroom houses in Wantirna South achieve completely different bank valuations and tenant quality? Because suburb medians blend every pocket together. When we map all 10,389 addresses across 308 streets in Wantirna South through G-NAF to their ABS 2021 Census SA1 blocks, the suburb splits into three distinct tiers:

• Strong Street Profile (Score 75–100): 83 streets (33% of scored streets) pass both ABS Census tenure tests (owner-occupiers >65% and public housing ≤5%) plus at least one—or both—of the Wantirna South rent and yield benchmarks.
• Mid / Mixed Street Profile (Score 50–74): 111 streets pass the core owner-occupier and public-housing thresholds but sit below the suburb median on weekly rent or yield.
• Weaker / Caution Street Profile (Score 0–25): 61 streets fail one or both census tenure thresholds—meaning either owner-occupation sits at or below 65% or state/community public housing exceeds 5% on those specific SA1 blocks.

Top 5 Highest-Scoring Streets in Wantirna South (VIC)

These streets sit in SA1 census blocks with high homeowner pride of ownership, minimal social housing concentration, and strong block-level rents (inspect all 308 streets in Wantirna South):

Top Street in Wantirna South	Street Score	Addresses	Owner-Occupiers	Public Housing	SA1 Rent & Yield
#1 Monastery Close	100/100	36	93%	0%	$795/wk (3.4%)
#2 Haideh Place	100/100	32	93%	0%	$795/wk (3.4%)
#3 Bells Court	100/100	15	93%	0%	$795/wk (3.4%)
#4 Sarah Court	100/100	14	93%	0%	$795/wk (3.4%)
#5 Joseph Court	100/100	11	93%	0%	$795/wk (3.4%)

Streets Where Block-Level Tenure Trails the Wantirna South Average

By contrast, the streets below run through SA1 census blocks that fail one or more of our tenure or rental tests. A lower Street Score is not a judgement of any individual house, but it highlights where higher renter turnover or public housing concentration exists within Wantirna South:

Caution Street Sample	Street Score	Addresses	Owner-Occupiers	Public Housing	SA1 Median Rent
White Road	0/100	49	46%	13%	$500/wk
Hawksburn Crescent	0/100	30	46%	13%	$500/wk
Wolf Street	0/100	27	46%	13%	$500/wk

3. Economic & Supply Drivers in Knox Council (Victoria)

Wantirna South sits within the Knox Local Government Area, which has a residential population of approximately 163,820 (+2.8% population movement over the past 3 years) and 59,148 total dwellings. Three council-level fundamentals shape Wantirna South’s medium-term outlook:

• Local Employment Diversity (ABS Census): The largest employment sectors across Knox are Manufacturing (16%), Health Care and Social Assistance (12%), Retail Trade (12%), Wholesale Trade (9%). Multi-sector employment reduces reliance on any single employer or commodity cycle.
• New Building Approvals vs. Existing Stock: Over the latest 12-month financial year, Knox approved 1% new dwelling stock (~592.835 dwellings). Because annual additions sit under 1.8% of stock, incoming supply is constrained relative to tenant and buyer demand.
• Tracked Infrastructure Pipeline: Knox currently has $116 million in tracked major infrastructure projects (placing it in the 10th percentile of Australian councils).

4. Worked Cashflow, Deposit & 80% LVR Stress-Test for Wantirna South (September 2026)

What does it actually cost to acquire and hold a typical house in Wantirna South at today’s median price of $1,181,888 and median rent of $685/wk? Below is the baseline 80% Loan-to-Value Ratio (LVR) model we use to stress-test serviceability before shortlisting a property:

Cashflow & Capital Item	Wantirna South Worked Figure	Assumptions & Notes
Purchase Price (Suburb Median)	$1,181,888	Settled house median as of September 2026
20% Deposit + Est. Stamp Duty & Costs	$293,109	$236,378 deposit (80% LVR) + ~$56,731 stamp duty, legal & inspection allowance (can be funded via usable home equity)
80% LVR Loan Amount	$945,510	Standard no-LMI investor loan threshold
Gross Annual Rental Income	$35,620/yr ($685/wk)	3% gross rental yield before vacancies and expenses
Est. Annual Interest + Operating Costs	$72,095/yr	Assumes 6.25% interest-only ($59,094/yr) + ~1.1% for council rates, insurance & property management ($13,001/yr)
Pre-Tax Weekly Cashflow Position	-$701/wk top-up	Before tax deductions / depreciation (confirm post-tax position with your accountant)

5. Who Should Buy in Wantirna South—And 3 Rules Before You Make an Offer

High Land Scarcity and Deep Homeowner Wealth, But Cashflow-Intensive. Based on our September 2026 data, Wantirna South is best suited to higher-income professionals, medical practitioners, and upgraders with strong cashflow buffers targeting scarce land in an owner-occupier dominated suburb.

1. Never Buy Blind on the Suburb Median: In Wantirna South, 61 streets score below 50/100 on our census tenure and yield tests. Always run the exact street through the Wantirna South Street Score Hub and target the 83 streets scoring 75–100/100.
2. Check Lot-Level Overlays (Flood, Bushfire, Slope & Easements): Even on a 100/100 streetlike Monastery Close, individual lots can carry overland flow paths, steep gradients, or sewer easements that restrict granny-flat additions or spike insurance premiums.
3. Price Against Street-Matched Settled Comparables: Do not let a selling agent justify an asking price on a 25/100 street using comparable sales from a 100/100 street. Compare settled sales within the same SA1 Street Score band.