Illawong
Investment Score
78
/100
AI Intelligence Summary
Illawong is a prestigious residential suburb in the Sutherland Shire, located 26km south of Sydney CBD. Known for its family-friendly atmosphere, the suburb features predominantly detached homes on larger blocks with some townhouse developments. The area is characterized by its proximity to the Georges River, quality educational facilities, and abundant parkland including bushland reserves and walking trails. Residents enjoy access to major shopping centers like Menai Marketplace and Westfield Miranda, while maintaining a peaceful suburban lifestyle. The suburb attracts families seeking quality schools, recreational amenities, and a strong community environment. Property values reflect its premium positioning within the Sutherland Shire, with waterfront and elevated properties commanding significant premiums. The area is primarily car-dependent with bus connections to major transport hubs. Illawong offers an ideal balance of natural amenities, educational excellence, and suburban tranquility, making it highly sought after by established families and professionals seeking a premium lifestyle location within reasonable commuting distance of Sydney.
Strengths
- •Premium location within prestigious Sutherland Shire
- •Excellent school catchments and educational facilities
- •Abundant parkland and natural amenities along Georges River
- •Strong family-oriented community with active sporting clubs
Opportunities
- •Continued property value growth due to limited supply
- •Infrastructure improvements planned for Sutherland Shire
- •Growing demand for family-oriented suburbs
- •Potential for townhouse developments on larger blocks
Considerations
- •Limited public transport options requiring car dependency
- •Higher property prices limiting affordability
- •Limited apartment stock reducing housing diversity
- •Distance from Sydney CBD affecting commute times
Property Market
$1.85M
+8.5% 1yr
$750K
+6.2% 1yr
$1.20M
$1,150/wk
$690/wk
32
1.8%
72.0%
Price Growth
| Type | 1 Year | 3 Year | 5 Year |
|---|---|---|---|
| House | +8.5% | +22.0% | +45.0% |
| Unit | +6.2% | +18.5% | +38.0% |
Rental Yields
House Yield
3.2%
Unit Yield
4.8%
Townhouse Yield
3.8%
Investment Scorecard
Demand/Supply Ratio: 2.10
Demand exceeds supply — favourable for sellers
Tax & Financial Intelligence
CPA-grade analysis for Illawong at median house price
+8% surcharge
$1150/wk
Negatively geared
Reduces taxable income
~$970/week
Based on 9.0% p.a. growth (from 5-year trend), 50% CGT discount, 39% MTR
5-Year Hold
10-Year Hold
Investor Quick Summary
Entry cost (stamp duty)
$84,140
After-tax yield
1.95%
Weekly holding cost
$970/wk
10yr CGT (est.)
$475,065
Estimates based on FY2025 NSW rates at median house price. Assumes 80% LVR, 6.5% interest rate, 39% marginal tax rate ($135K-$190K bracket). Individual circumstances vary. This is general information only and not personal financial advice. Consult your CPA before making investment decisions. Local Knowledge Pty Ltd — Registered Tax Agent.
Demographics
3,200
42
$125K
per annum
68.0%
52.0%
48.0%
3.2%
32.0%
Dwelling Mix
Lifestyle & Community
8
12
1
26.0 km
Nearest Station: Sutherland Station
Outdoor recreation focused with river access, bushwalking, sporting clubs, and family-friendly amenities in a prestigious suburban setting
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Data sourced from multiple sources. Last updated 27 March 2026.