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Allambie Heights

NSW 2100LGA: Northern Beaches Council

Investment Score

78

/100

AI Intelligence Summary

Allambie Heights is a prestigious residential suburb on Sydney's Northern Beaches, located 16km from the CBD. With a population of 4,800 and median age of 42, it attracts established families and professionals seeking a premium lifestyle. The suburb offers excellent proximity to beaches, quality schools, and recreational facilities like Manly Dam. Property values are strong with median house prices at $1.85M, reflecting the area's desirability. The community is characterized by spacious homes on larger blocks, low crime rates, and a family-friendly environment. Transport relies primarily on buses connecting to Chatswood and Manly, with limited public transport being the main drawback. The suburb benefits from Northern Beaches Hospital proximity and access to Warringah Mall for shopping. Investment prospects remain solid with 5.2% annual house price growth and low vacancy rates of 1.8%, though affordability is challenging for first-time buyers.

Strengths

  • Premium Northern Beaches location with beach proximity
  • Strong capital growth and property values
  • Excellent schools and family-friendly environment
  • Low crime rates and high safety ratings

Opportunities

  • Continued Northern Beaches infrastructure development
  • Growing demand for premium family suburbs
  • Potential transport improvements
  • Development of local amenities and services

Considerations

  • Limited public transport options
  • High property prices affecting affordability
  • Car dependency for most activities
  • Limited local shopping and dining options

Property Market

Median House

$1.85M

+5.2% 1yr

Median Unit

$950K

+4.1% 1yr

Median Townhouse

$1.35M

Rent (House)

$980/wk

Rent (Unit)

$750/wk

Days on Market

42

Vacancy Rate

1.8%

Auction Clearance

72.0%

Price Growth

Type1 Year3 Year5 Year
House+5.2%+18.5%+35.8%
Unit+4.1%+15.2%+28.5%

Rental Yields

House Yield

2.8%

Unit Yield

4.2%

Townhouse Yield

3.2%

Investment Scorecard

Overall Investment Score78/100
Growth Potential75/100
Cashflow Score62/100
Risk Score (lower = safer)72/100
Affordability Index45/100

Demand/Supply Ratio: 1.80

Demand exceeds supply — favourable for sellers

Tax & Financial Intelligence

CPA-grade analysis for Allambie Heights at median house price

Standard transfer
$84,140
First Home Buyer
$84,140
Foreign buyer surcharge
$148,000

+8% surcharge

Annual rent income
$50,960

$980/wk

Interest (80% LVR @ 6.5%)
-$96,200
Other expenses (~2.5%)
-$46,250
Net rental position
-$91,490

Negatively geared

Tax benefit (39% MTR)
+$35,681

Reduces taxable income

After-tax holding cost
$55,809/yr

~$1,073/week

Based on 7.2% p.a. growth (from 5-year trend), 50% CGT discount, 39% MTR

5-Year Hold

Est. value
$2.61M
Capital gain
$670,789
After discount
$335,394
CGT payable
$130,804

10-Year Hold

Est. value
$3.69M
Capital gain
$1.75M
After discount
$875,313
CGT payable
$341,372

Investor Quick Summary

Entry cost (stamp duty)

$84,140

After-tax yield

1.71%

Weekly holding cost

$1073/wk

10yr CGT (est.)

$341,372

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

Population

4,800

Median Age

42

Median Income

$95K

per annum

Family Households

68.0%

Professionals

52.0%

University Educated

48.0%

Unemployment

3.2%

Born Overseas

28.0%

Dwelling Mix

Houses: 75%Units: 18%Townhouses: 7%Total: 1,950

Lifestyle & Community

Walkability45/100
Public Transport4/10
Schools Rating8/10
Safety8/10
Family Friendly9/10
Cafes & Restaurants

8

Parks

12

Hospitals

1

Distance to CBD

16.0 km

Nearest Station: Chatswood Station

Premium Northern Beaches lifestyle with beach access, bushwalking, recreational facilities, and family-focused activities in a safe, established environment.

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Data sourced from multiple sources. Last updated 26 March 2026.

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