North St Marys
Investment Score
75
/100
AI Intelligence Summary
North St Marys is an affordable residential suburb in Greater Western Sydney, located within the City of Penrith local government area. The suburb offers excellent value for first home buyers and investors, with a diverse mix of older fibro homes and newer brick constructions. Its proximity to the Nepean River and parklands provides natural amenities, while being close to Penrith CBD ensures access to major shopping and entertainment. The area benefits from regular bus services and is positioned to gain from Western Sydney Airport development. With strong rental demand, competitive vacancy rates, and steady property value growth over recent years, North St Marys represents a solid entry point into the Sydney property market. The community is family-oriented with good local schools, childcare facilities, and recreational amenities including sports grounds. While transport connectivity relies primarily on bus services to reach St Marys railway station, the suburb's affordability and growth potential make it attractive to young professionals and families seeking value in the expanding Western Sydney region.
Strengths
- •Highly affordable entry point into Sydney property market
- •Close proximity to Nepean River and natural parklands
- •Strong rental demand with low vacancy rates
- •Family-friendly community with good local schools
Opportunities
- •Western Sydney Airport infrastructure development
- •Continued population growth in Greater Western Sydney
- •Government investment in transport infrastructure
- •First home buyer market expansion
Considerations
- •Limited direct rail connectivity requiring bus transfer
- •Perception as outer suburban location
- •Competition from other affordable Western Sydney suburbs
- •Distance from Sydney CBD for employment
A decision, not just a search · North St Marys
Does a promising suburb make this the right property decision?
No. Suburb data can help you shortlist, but it cannot establish the value, condition or suitability of a particular property. Compare buying, retaining your current property and waiting against your household cash flow, finance conditions and intended holding period.
Questions that could change the answer
- What would make this location unsuitable even if its median price rises?
- Could you meet the costs if income falls, the property is vacant or repairs are needed?
- Are you comparing a specific property with genuinely comparable sales—or only an area average?
Evidence to obtain—not yet verified here
- Comparable property evidence with transaction dates and relevant differences.
- Current loan terms, household commitments and a realistic cash-flow buffer.
- Property inspections, contract advice and ownership/tax advice where relevant.
Other options: Shortlist another property, retain what you own, reduce the budget or delay. Growth expectations alone are not a reason to proceed.
Next action: Ask a Property Advisor to connect the property evidence with your priorities, and identify the finance, tax or legal professional required for unresolved questions.
When to revisit: Revisit if the price, lending terms, inspection findings or household circumstances change.
General decision guidance—not a property assessment, personal recommendation or verified client result. Dates on surrounding market content apply to that content, not to checks on your property.
Take this question to a reviewThe question and suggested checks are prefilled for you to edit. No enquiry is sent until you submit and consent.
Property Market
$720K
+7.2% 1yr
$485K
+6.8% 1yr
$650K
$650/wk
$485/wk
32
1.8%
68.0%
Price Growth
| Type | 1 Year | 3 Year | 5 Year |
|---|---|---|---|
| House | +7.2% | +18.5% | +32.8% |
| Unit | +6.8% | +16.2% | +28.4% |
Rental Yields
House Yield
4.7%
Unit Yield
5.2%
Townhouse Yield
4.8%
Investment Scorecard
Demand/Supply Ratio: 1.80
Demand exceeds supply — favourable for sellers
Tax & Financial Intelligence
CPA-grade analysis for North St Marys at median house price
Stamp Duty Estimate
Save $26,930
+8% surcharge
Negative Gearing Position
Wage offset available until 1 July 2027
An established purchase today falls under the 2026 reforms. From 1 July 2027, losses on established residential property can only offset residential rental income or residential capital gains — not your salary.
$650/wk
Negatively geared
Reduces taxable income until 1 July 2027
~$254/week
Land Tax Exposure
~60% of median price
Below threshold
Annual: $6,612
CPA Note: Land tax applies to your total NSW land holdings, not individual properties. Portfolio holders should aggregate all investment land values.
CGT Projection
Based on 6.6% p.a. growth (from 5-year trend), CPI indexation + 30% minimum rate, 39% MTR
5-Year Hold
10-Year Hold
Investor Quick Summary
Entry cost (stamp duty)
$26,930
After-tax yield
2.87%
Weekly holding cost
$254/wk
10yr CGT (est.)
$155,388
Estimates based on FY2025 NSW rates at median house price. Assumes 80% LVR, 6.5% interest rate, 39% marginal tax rate ($135K-$190K bracket). This calculator provides estimates for illustrative purposes only and does not constitute financial, tax, or investment advice. Results depend on assumptions that may not reflect your actual situation. Tax laws, interest rates, and market conditions change frequently. Always consult a qualified professional — such as a CPA, mortgage broker, or financial adviser — before making financial decisions. Local Knowledge Group of Companies provides integrated advisory through Local Knowledge (CPA), Local Knowledge Finance (Mortgage Brokerage), and Local Knowledge Property (Licensed Agency).
Demographics
4,200
34
$68K
per annum
58.0%
32.0%
28.0%
6.2%
45.0%
Dwelling Mix
Lifestyle & Community
8
6
1
58.0 km
Nearest Station: St Marys Station
Relaxed suburban lifestyle with access to natural amenities, local sports facilities, and community events
Interested in North St Marys?
Get a personalised buyer brief with AI-powered property intelligence for this suburb.
Request Your Free Buyer BriefClose Form
See What ASPIRE Has Found For You
Get a personalised preview of what our AI intelligence has identified for your situation — in seconds.
Data sourced from multiple sources. Last updated 28 March 2026.