Duffys Forest
Investment Score
72
/100
AI Intelligence Summary
Duffys Forest is an exclusive rural residential suburb in Sydney's Northern Beaches, characterized by premium acreage properties ranging from 1-5+ acres. With a small population of affluent residents, the suburb offers a unique bushland lifestyle just 35km from Sydney CBD. Properties are tightly held and infrequently traded, maintaining premium values due to large land sizes and proximity to beaches like Mona Vale and Newport. The community prioritizes environmental conservation and bushfire preparedness, with limited commercial facilities requiring residents to travel to nearby centers. Infrastructure is rural-standard with no public transport, making private vehicles essential. The suburb attracts established families and professionals seeking privacy, space, and a rural lifestyle while maintaining reasonable access to Sydney's amenities. Strong environmental focus, quality nearby schools, and recreational opportunities including bushwalking and equestrian activities define the lifestyle. The market remains resilient with limited supply supporting property values, though bushfire risk and infrastructure limitations present ongoing considerations for residents and investors.
Strengths
- •Exclusive large acreage properties (1-5+ acres)
- •Premium location near Northern Beaches
- •Strong environmental and community focus
- •Tightly held property market maintaining values
Opportunities
- •Growing demand for lifestyle properties post-COVID
- •Potential infrastructure improvements via Northern Beaches Council
- •Increasing value of large land holdings
- •Environmental conservation initiatives
Considerations
- •No public transport access
- •Limited commercial facilities within suburb
- •Bushfire risk management requirements
- •Rural infrastructure limitations
Property Market
$2.85M
+4.2% 1yr
$1.20M
+3.8% 1yr
$1,350/wk
$875/wk
45
1.2%
72.0%
Price Growth
| Type | 1 Year | 3 Year | 5 Year |
|---|---|---|---|
| House | +4.2% | +18.5% | +32.8% |
| Unit | +3.8% | +15.2% | +28.5% |
Rental Yields
House Yield
2.4%
Unit Yield
3.8%
Investment Scorecard
Demand/Supply Ratio: 2.80
Demand exceeds supply — favourable for sellers
Tax & Financial Intelligence
CPA-grade analysis for Duffys Forest at median house price
+8% surcharge
$1350/wk
Negatively geared
Reduces taxable income
~$1,751/week
Based on 6.6% 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)
$139,140
After-tax yield
1.46%
Weekly holding cost
$1751/wk
10yr CGT (est.)
$463,450
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
850
47
$165K
per annum
68.0%
58.0%
52.0%
3.2%
32.0%
Dwelling Mix
Lifestyle & Community
3
8
2
35.0 km
Nearest Station: Mona Vale Bus Interchange
Rural residential living with bushwalking, equestrian activities, and beach access nearby
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Data sourced from multiple sources. Last updated 27 March 2026.