Sunbury (VIC 3046) in Focus 2026: Is It a Good Investment? R-Score 88/100, 3.7% Yield & Best Streets

Market Classification: High-Supply Growth Corridor (Street Selection Critical) · R-Score: 88/100 (National Rank #1,913 of 15,286) · Street Average: 68/100 across 932 streets.

On the surface, Sunbury attracts heavy buyer attention because of its $750,000 entry point and modern housing stock. However, council-wide building approvals in Hume are running at 3.8% of existing stock. In high-supply corridors like this, buying a generic new-build on the fringe exposes you to years of competing stage releases. The only way to outperform the Sunbury median is to buy established homes on tightly held, 75–100 scored owner-occupier streets where land is already built out.

“I’d treat the 5% vacancy rate and negative $350 weekly cash flow as the more useful warning signs than the 8.7% annual price rise. In Sunbury, street selection matters, so I’d compare owner-occupier concentration and rental performance closely before paying a premium for a particular pocket.”

Looking for the live, monthly-updated numbers? The Sunbury (VIC) suburb profile tracks the current median house price, rent, vacancy and R-Score, and the Sunbury street-by-street scores rank every street. This article is our investment analysis of what those numbers mean.

Below is our full September 2026 quantitative and street-level breakdown for Sunbury (VIC 3046), combining 36 months of settled price and rental history from our Aurora research warehouse, council-level supply and employment data for Hume (VIC), and block-by-block ABS 2021 Census SA1 tenure and yield rankings across 22,841 residential addresses.

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

Over the past 12 months, Sunbury’s median house price moved +8.7% (from $690,000 to $750,000), bringing its 3-year cumulative price movement to -9.3% (from $827,000 three years ago). On the rental side, median weekly asking rents moved -1.9% over the past year to $530/wk (+19.4% over 36 months), equating to a 3.7% gross rental yield. Compared with 12 months ago—when Sunbury carried an R-Score of 84/100—its current composite R-Score of 88/100 represents a +4-point shift in underlying market pressure.

Indicator / R-Score Pillar	Sunbury (VIC) Current	12-Month / 36-Month Context
Composite Suburb R-Score	88 / 100	Ranked #1,913 of 15,286 suburbs (was 84/100 12m ago)
Median House Price	$750,000	12m change: +8.7% · 36m change: -9.3%
Median Weekly Rent & Gross Yield	$530/wk (3.7%)	12m rent change: -1.9% · 36m rent change: +19.4%
Rental Vacancy & Days on Market	5% vacancy	Median selling time: 32 days on market (1.5% vacancy is the tight-market line)
Pillar 1: Buyer Demand	34 / 100	Measures days-on-market compression, vendor discounting & sales velocity
Pillar 2: Supply & Ownership	36 / 100	Measures stock on market, building approvals vs stock & owner-occupier share
Pillar 3: Price Momentum	78 / 100	Measures short/medium-term price velocity vs Hume & 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 Sunbury (VIC)

Why do two 4-bedroom houses in Sunbury achieve completely different bank valuations and tenant quality? Because suburb medians blend every pocket together. When we map all 22,841 addresses across 932 streets in Sunbury through G-NAF to their ABS 2021 Census SA1 blocks, the suburb splits into three distinct tiers:

• Strong Street Profile (Score 75–100): 522 streets (73% of scored streets) pass both ABS Census tenure tests (owner-occupiers >65% and public housing ≤5%) plus at least one—or both—of the Sunbury rent and yield benchmarks.
• Mid / Mixed Street Profile (Score 50–74): 114 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): 82 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 Sunbury (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 932 streets in Sunbury):

Top Street in Sunbury	Street Score	Addresses	Owner-Occupiers	Public Housing	SA1 Rent & Yield
#1 Longacre Avenue	100/100	39	99%	0%	$605/wk (5.8%)
#2 Sheaf Street	100/100	24	99%	0%	$605/wk (5.8%)
#3 Retallick Street	100/100	16	97%	0%	$602/wk (5.7%)
#4 Berrydale Road	100/100	15	95%	0%	$520/wk (4.3%)
#5 Cobblestone Lane	100/100	11	95%	0%	$520/wk (4.3%)

Streets Where Block-Level Tenure Trails the Sunbury 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 Sunbury:

Caution Street Sample	Street Score	Addresses	Owner-Occupiers	Public Housing	SA1 Median Rent
Timins Street	0/100	69	44%	10.3%	$433/wk
Rainbow Court	0/100	24	44%	10.3%	$433/wk
Mcdougall Road	0/100	102	55%	9.1%	$460/wk

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

Sunbury sits within the Hume Local Government Area, which has a residential population of approximately 278,885 (+10.4% population movement over the past 3 years) and 67,404 total dwellings. Three council-level fundamentals shape Sunbury’s medium-term outlook:

• Local Employment Diversity (ABS Census): The largest employment sectors across Hume are Transport, Postal and Warehousing (20%), Manufacturing (16%), Retail Trade (9%), Construction (8%). 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, Hume approved 3.8% new dwelling stock (~3,044.37 dwellings). Because new approvals exceed 1.8% of stock, investors in Sunbury must avoid generic greenfield house-and-land pockets and stick to established, built-out streets.
• Tracked Infrastructure Pipeline: Hume currently has $8.3 billion in tracked major infrastructure projects (placing it in the 83th percentile of Australian councils).

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

What does it actually cost to acquire and hold a typical house in Sunbury at today’s median price of $750,000 and median rent of $530/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	Sunbury Worked Figure	Assumptions & Notes
Purchase Price (Suburb Median)	$750,000	Settled house median as of September 2026
20% Deposit + Est. Stamp Duty & Costs	$186,000	$150,000 deposit (80% LVR) + ~$36,000 stamp duty, legal & inspection allowance (can be funded via usable home equity)
80% LVR Loan Amount	$600,000	Standard no-LMI investor loan threshold
Gross Annual Rental Income	$27,560/yr ($530/wk)	3.7% gross rental yield before vacancies and expenses
Est. Annual Interest + Operating Costs	$45,750/yr	Assumes 6.25% interest-only ($37,500/yr) + ~1.1% for council rates, insurance & property management ($8,250/yr)
Pre-Tax Weekly Cashflow Position	-$350/wk top-up	Before tax deductions / depreciation (confirm post-tax position with your accountant)

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

Strong Buyer Activity Meets an Active New-Build Pipeline. Based on our September 2026 data, Sunbury is best suited to equity-backed homeowners and portfolio builders seeking a balanced entry price ($750,000) and 3.7% rental yield in VIC.

1. Never Buy Blind on the Suburb Median: In Sunbury, 82 streets score below 50/100 on our census tenure and yield tests. Always run the exact street through the Sunbury Street Score Hub and target the 522 streets scoring 75–100/100.
2. Check Lot-Level Overlays (Flood, Bushfire, Slope & Easements): Even on a 100/100 streetlike Longacre Avenue, 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.