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Whyalla vs Sunnycliffs vs Mount Gambier — which is best for growth?

Same eight metrics, scored against the same benchmark, ranked against a $400kbudget. Look for where one suburb is materially ahead — that's the dimension that should sway your call.

  1. Whyalla

    SA · 5600
    42Below trend
    Median
    $245k
    5y growth
    7.2%/yr
    BalancedThin market · ~4k residents

  2. Sunnycliffs

    VIC · 3496
    39Below trend
    Median
    $289k
    5y growth
    4.7%/yr
    YieldThin market · illiquid

  3. Mount Gambier

    SA · 5290
    46Average
    Median
    $395k
    5y growth
    8.2%/yr
    GrowthStable but fully priced

Metric breakdown

Each row scores 0–100 against a fixed benchmark. The leader on each row is highlighted.

Metric · weight
Whyalla
Sunnycliffs
Mount Gambier
Capital growth (5y)
weight 22%
727.2%/yr
474.7%/yr
828.2%/yr
Rental yield
weight 13%
854.2%
884.4%
582.9%
Rental demand
weight 10%
402.4%
402.4%
402.4%
Population growth
weight 12%
656.5%
787.8%
656.5%
Income growth
weight 12%
4411.0%
5213.0%
4411.0%
Construction pipeline
weight 15%
0–
0–
0–
Affordability
weight 8%
3939% under cap
2828% under cap
11% under cap
Supply tightening
weight 8%
40+2.0% YoY
25+5.0% YoY
40+2.0% YoY

Winner per dimension

Where each suburb leads the field, with the count of dimensions won.

  1. Whyalla

    1/8
    • Affordability

  2. Sunnycliffs

    3/8
    • Rental yield
    • Population growth
    • Income growth

  3. Mount Gambier

    1/8
    • Capital growth (5y)

Why Whyalla

Thin market · ~4k residents

4.2% gross yield, 7.2%/yr capital growth.

Drivers
  • Rental yield4.2%
  • Capital growth7.2%/yr
  • Population growth+6.5% (5y)
Risks
  • Only 3,609 residents — illiquid, slow to sell
  • No major construction project in this state

Why Sunnycliffs

Thin market · illiquid

4.4% gross yield, population +7.8% (5y).

Drivers
  • Rental yield4.4%
  • Population growth+7.8% (5y)
Risks
  • Only 0 residents — illiquid, slow to sell
  • No major construction project in this state

Construction ·Melbourne Airport Rail — Sunshine Hub455.9 kmApproved · 2033

Why Mount Gambier

Stable but fully priced

8.2%/yr capital growth, population +6.5% (5y).

Drivers
  • Capital growth8.2%/yr
  • Population growth+6.5% (5y)
Risks
  • At top of budget (99% of cap)
  • No major construction project in this state