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Gymea

NSW 2227LGA: Sutherland Shire

Investment Score

78

/100

AI Intelligence Summary

Gymea is a well-established, family-oriented suburb in the Sutherland Shire, located 26km south of Sydney CBD. With a population of 12,500 and median age of 42, it attracts professionals and families seeking quality lifestyle amenities including proximity to beaches, national parks, and excellent schools. The suburb features predominantly detached houses on generous 650sqm blocks, with median house prices of $1.45M reflecting its premium position within the Shire. Strong infrastructure includes Gymea Railway Station providing direct CBD access, quality educational facilities like Gymea Technology High School, and recreational amenities including Gymea Bay waterfront. The area maintains a strong community feel with low crime rates, excellent family-friendliness ratings, and easy access to both Cronulla beaches and Royal National Park. Property market fundamentals remain solid with steady growth, low vacancy rates, and strong owner-occupier demand driven by the suburb's established character and lifestyle appeal.

Strengths

  • Excellent school catchments including Gymea Technology High School and quality primary schools
  • Premium location with 3km to beaches and Royal National Park access
  • Strong transport connectivity via Gymea Railway Station and major road networks
  • Established family community with low crime rates and high safety ratings

Opportunities

  • Potential infrastructure upgrades from Sydney Metro expansion considerations
  • Growing appeal as families seek lifestyle suburbs with space
  • Redevelopment potential around transport nodes
  • Increasing demand for quality school catchment areas

Considerations

  • High median house prices limiting affordability for first home buyers
  • Distance from CBD requiring 45-50 minute commute times
  • Limited apartment stock reducing rental investment options
  • Aging demographic may impact future demand dynamics

Property Market

Median House

$1.45M

+8.5% 1yr

Median Unit

$750K

+6.8% 1yr

Median Townhouse

$980K

Rent (House)

$900/wk

Rent (Unit)

$690/wk

Days on Market

42

Vacancy Rate

1.8%

Auction Clearance

72.0%

Price Growth

Type1 Year3 Year5 Year
House+8.5%+22.0%+38.0%
Unit+6.8%+18.5%+32.0%

Rental Yields

House Yield

3.2%

Unit Yield

4.8%

Townhouse Yield

3.8%

Investment Scorecard

Overall Investment Score78/100
Growth Potential75/100
Cashflow Score65/100
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 Gymea at median house price

Standard transfer
$62,140
First Home Buyer
$62,140
Foreign buyer surcharge
$116,000

+8% surcharge

Annual rent income
$46,800

$900/wk

Interest (80% LVR @ 6.5%)
-$75,400
Other expenses (~2.5%)
-$36,250
Net rental position
-$64,850

Negatively geared

Tax benefit (39% MTR)
+$25,292

Reduces taxable income

After-tax holding cost
$39,559/yr

~$761/week

Based on 7.6% p.a. growth (from 5-year trend), 50% CGT discount, 39% MTR

5-Year Hold

Est. value
$2.09M
Capital gain
$571,973
After discount
$285,986
CGT payable
$111,535

10-Year Hold

Est. value
$3.02M
Capital gain
$1.50M
After discount
$748,511
CGT payable
$291,919

Investor Quick Summary

Entry cost (stamp duty)

$62,140

After-tax yield

1.95%

Weekly holding cost

$761/wk

10yr CGT (est.)

$291,919

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

12,500

Median Age

42

Median Income

$95K

per annum

Family Households

68.0%

Professionals

45.0%

University Educated

42.0%

Unemployment

3.8%

Born Overseas

32.0%

Dwelling Mix

Houses: 75%Units: 18%Townhouses: 7%Total: 4,850

Lifestyle & Community

Walkability68/100
Public Transport7/10
Schools Rating8/10
Safety8/10
Family Friendly9/10
Cafes & Restaurants

25

Parks

12

Hospitals

2

Distance to CBD

26.0 km

Nearest Station: Gymea Railway Station

Family-friendly lifestyle with beaches, parks, quality schools, local shopping village, waterfront dining at Gymea Bay, and strong community sporting facilities

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

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