Stickybeak

Castle Hill 2154 suburb insights

Thinking about buying in Castle Hill (2154)? This page consolidates 16 data cards from NSW government, the ABS, and Transport for NSW to help you build a complete picture of what ownership and life in the Hills Shire suburb actually looks like. The analysis covers affordability signals — median sale prices, rental yield, and first home buyer eligibility — alongside lifestyle indicators including school catchments and walkability, risk factors such as flood and bushfire exposure, and suburb-change metrics covering the development pipeline and price trajectory. Jump between the four sections using the sticky navigation above, or scroll through the full analysis below.

Last refreshed May 2026 (most cards). Per-card sources show exact dates.

All data has limits. See our data caveats.

Affordability

Can I afford Castle Hill?

Can I afford Castle Hill?

Serviceability check

What would a typical mortgage look like in Castle Hill? Based on the suburb median of $2,421,400 (houses) and the local median household income.

Monthly repayment
$11,952/mo

6.3% variable · Apr 2026

Repayment-to-income
108.1%

Stretch

Loan assumptions
$1,937,120 loan
20% deposit ($484,280)
30-year P&I

At today's rate, repayments here would eat 108% of the typical local household's gross income. That is out of reach for most buyers.

Repayment burden vs Sydney median income
Castle Hill108.1%
Sydney median income133.2%
30% stress line

Assumes a 20% deposit and a 30-year P&I owner-occupier loan at the current Sydney variable rate. Your actual rate, deposit, and income will differ.

Sources: RBA Table F6 (rate), ABS Census 2021 G02 (income), suburb median sale.

Nearby suburbs with lower medians

Still looking? These suburbs are closer to reach.

Based on median prices and a 20% deposit at 6.27% variable.
Can I afford Castle Hill?

Rental market in Castle Hill

Median weekly rent from lodged bonds. Sep 2025. Based on 144 new bond lodgements this quarter.

Rents here are at the higher end for Sydney. Higher holding costs for investors; higher savings pressure for renters.

Median weekly rent · Unit · 2 bed
$780per week
Sep 2025 · 144 bonds lodged
Quarterly trend · last 12 quarters
Dec 22: $625 per week (62 bonds)Mar 23: $650 per week (97 bonds)Jun 23: $680 per week (75 bonds)Sep 23: $700 per week (75 bonds)Dec 23: $700 per week (67 bonds)Mar 24: $730 per week (98 bonds)Jun 24: $730 per week (75 bonds)Sep 24: $735 per week (106 bonds)Dec 24: $750 per week (70 bonds)Mar 25: $750 per week (94 bonds)Jun 25: $760 per week (77 bonds)Sep 25: $780 per week (144 bonds)Dec 22Jun 24Sep 25

Nearby suburbs · same combination

Baulkham Hills2153
$700▼$80
3.5 km away
Cherrybrook2126
$1,125▲$345
4.5 km away
Stanhope Gardens2768
$790▲$10
6.0 km away
Northmead2152
$600▼$180
6.1 km away
NSW DCJ Rental Bond Board · Sep 2025 · CC BY. Cells with 10 or fewer bond lodgements are suppressed; cells with 30 or fewer have the bond count suppressed but rent published. Figures are transacted rents, not asking rents.

Lifestyle

Castle Hill Lifestyle

Source: ABS Census 2021, Postal Areas (CC BY 4.0).

Dealbreakers

Any dealbreakers?

Any dealbreakers?

Air quality in Castle Hill

33
GoodAQI · NSW DCCEEW
04:19 AEST
Parramatta North station · 7.8 km from centroid
12-month median: AQI 31 · Good

Air quality is generally safe for outdoor activity.

Pollutants
nearest station
PM2.5i
6.9µg/m³
24-hr avg
PM10i
16.6µg/m³
24-hr avg
NO₂i
1.2pphm
1hr reading
AQI · last 12 months · daily mean
Parramatta North station · 365 daily points
Source: NSW DCCEEW Air Quality API (CC BY 4.0). Historical data updated weekly; live readings cached 60 minutes.
View dealbreakers as a standalone report →

Change

How might Castle Hill change?

DEVELOPMENT PIPELINE · NSW PLANNING PORTAL · 2154

What’s in the pipeline

NSW Planning Portal feed paused at the source for postcode 2154. Expected back by Q3 2026.

NSW PLANNING PORTAL
How might Castle Hill change?

Investor activity in Castle Hill

2154 · ATO Taxation Statistics · ~18-month lag
Source: ATO Taxation Statistics (CC BY 2.5 AU).

What to do next

Three steps to move from research to action.

1
Get pre-approved

Know your budget before you inspect. A pre-approval letter strengthens your offer.

Read our guides
2
Set a listings alert

See new listings in Castle Hill under the median ($940,000).

Search on Domain
3
Join the contract-review waitlist

Have your Section 66W reviewed before you sign.

Join the waitlist

Track Castle Hill.

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Compare Castle Hill with another suburb

Also in Hills Shire

Comparing suburbs in the same area can sharpen your decision. Browse suburb insights for other Hills Shire postcodes, or explore the full Hills Shire suburb index.

Baulkham Hills 2153Kellyville 2155Box Hill 2765Cherrybrook 2126

Other West & Hills suburbs

Baulkham Hills 2153Epping 2121Meadowbank 2114Parramatta 2150Ryde 2112Westmead 2145

Frequently asked questions

What suburb is postcode 2154?
Castle Hill is the primary suburb with postcode 2154 in New South Wales. In some cases multiple suburbs share the same postcode — Castle Hill is the main locality.
Which local government area is Castle Hill in?
Castle Hill (2154) is located in the Hills Shire local government area in New South Wales.
What data does Stickybeak show for Castle Hill?
Stickybeak shows 16 data cards for Castle Hill (2154) covering affordability (median sale prices, rental yield, first home buyer eligibility), lifestyle (schools, childcare, walkability, commute times), risk factors (flood zones, bushfire prone land, air quality, traffic volume), and suburb growth signals (development pipeline, price trajectory, demographics).
Is Castle Hill flood prone?
Flood risk varies street by street in Castle Hill. Check the Dealbreakers section on this page for the latest NSW flood zone mapping sourced from official state government data. Always verify at the property level with a Section 10.7 certificate before purchasing.
What are the best schools near Castle Hill?
The Schools card on this page lists primary and secondary schools within the catchment area for Castle Hill (2154), including their NAPLAN performance data and distance from the suburb centre.
Is Castle Hill (2154) eligible for the First Home Buyer scheme?
The First Home Buyer eligibility card on this page shows which NSW and federal government schemes — including the First Home Guarantee, stamp duty exemptions, and the First Home Super Saver scheme — apply to purchases in Castle Hill (2154). Eligibility depends on the purchase price and your individual circumstances.
How is Castle Hill changing?
The Change section on this page covers new housing supply from the development pipeline, historical price trajectory, and demographic shifts for Castle Hill (2154) using data from NSW Planning, the ATO, and the ABS.

Explore Castle Hill in depth

Dig deeper into specific topics for Castle Hill 2154: see flood risk, schools, walkability, and rental market as standalone pages. Or browse the full Hills Shire suburb index to compare nearby options.