Is Baulkham Hills or Castle Hill more expensive?

Castle Hill has the higher median house price ($2.42M) compared with $1.92M in Baulkham Hills.

Which is better for renters — Baulkham Hills or Castle Hill?

Median weekly rent is $790/wk in Baulkham Hills and $800/wk in Castle Hill, making Baulkham Hills the more affordable rental market.

Is Baulkham Hills or Castle Hill at higher flood risk?

Flood mapping coverage varies by postcode — see the flood risk pages for both suburbs for authoritative NSW data.

How many schools are in Baulkham Hills vs Castle Hill?

Baulkham Hills has 10 schools in the postcode, and Castle Hill has 5. Note that school catchments can extend across postcode boundaries.

Suburb comparison

Baulkham Hills vs Castle Hill: which Sydney suburb suits you?

The key differences: Castle Hill commands a $502K premium on median property price over Baulkham Hills; Baulkham Hills has more schools within the postcode. The table below covers all available metrics.

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

Hills Shire

Baulkham Hills

2153

Hills Shire

Castle Hill

2154

Side-by-side comparison

Comparison of Baulkham Hills (2153) and Castle Hill (2154) across 13 metrics in four sections.
Metric	Baulkham Hills	Castle Hill
SAFETYSafety Baulkham Hills leads on 2 of 2
Sub-grade	C+▲(0)	C+(0)
Flood zone coverage	—	—
Bushfire zone coverage	8.4%▲	18.7%
FAMILYFamily Even (1 each)
Sub-grade	C+(0)	B▲(0)
SEIFA advantage decile	10/10	10/10
Schools in postcode	10▲	5
FINANCEFinance Baulkham Hills leads on 2 of 2
Sub-grade	B▲(0)	C+(0)
Median house price	$1.92M	$2.42M
Median unit price	$870K	$940K
Median weekly rent	$790/wk	$800/wk
Annual price growth	+8.7%▲	+6.7%
LIFESTYLELifestyle Castle Hill leads on 2 of 2
Sub-grade	C-(0)	B-▲(0)
Walkability percentile	13	71▲

Median prices show levels, not better-or-worse for a buyer. See the suburb pages for context.

Which suits you?

Choose Baulkham Hills if...

Baulkham Hills leads on Safety, Finance
You want a lower entry price for a house
You are renting first and want lower weekly outgoings
School options within walking distance matter

Tied on Family.

Choose Castle Hill if...

Castle Hill leads on Lifestyle

Tied on Family.

Email me the verdict (optional)

One email with the verdict. No follow-ups, no newsletter.

Common questions

Is Baulkham Hills or Castle Hill more expensive?: Castle Hill has the higher median house price ($2.42M) compared with $1.92M in Baulkham Hills.
Which is better for renters — Baulkham Hills or Castle Hill?: Median weekly rent is $790/wk in Baulkham Hills and $800/wk in Castle Hill, making Baulkham Hills the more affordable rental market.
Is Baulkham Hills or Castle Hill at higher flood risk?: Flood mapping coverage varies by postcode — see the flood risk pages for both suburbs for authoritative NSW data.
How many schools are in Baulkham Hills vs Castle Hill?: Baulkham Hills has 10 schools in the postcode, and Castle Hill has 5. Note that school catchments can extend across postcode boundaries.

Full suburb profiles

Baulkham Hills 2153 →Castle Hill 2154 →