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Castle St, Castle Hill NSW 2154

Street

Street Summary

Castle St, Castle Hill NSW 2154 sits above the suburb’s house median. 18 homes sit above the street; 28 homes sit level with the street; 1 homes sit below the street. The street is a local road. Houses make up 15% of the residential stock, while apartments account for 66%. Notable developments include 6 Castle St with 389 lots across 7 levels, 59A Castle St with 80 lots in 2 levels, and 17 Castle St with 22 lots across 11 levels. Five houses and four apartments sold in the last 12 months.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the Castle St, Castle Hill NSW 2154 property market.

Houses vs Apartments372 total lots
15.1%
65.6%
19.3%
Houses (15.1%)
Apartments (65.6%)
Townhouses/Villas/Unclassified (19.3%)

PART 2
Houses

"Houses" in this report includes detached houses, duplexes, and terraces.

Land Topography

How house lots on Castle St, Castle Hill NSW 2154 sit relative to street level — topography that affects drainage, flood risk, privacy, and build cost. Statistics are calculated from properties with available data.

High-side vs low-side house lots
High-sideFlatLow-side
18 lots
28 lots
1 lots
High-side (1m above)
Flat
Low-side (1m below)

Risks &Overlays

See which key planning overlays and environmental risks affect this street before you buy.

Heritage
0 houses affected
Bushfire
0 houses affected
Flood
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Castle St, Castle Hill NSW 2154 over the past 5 years, plotted against the Castle Hill NSW 2154 median house price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$1.3M$2.5M$3.8M$5.0MSept 21May 23Jan 25Sept 26$2.1M · 2022$2.3M · 2023$2.5M · 2024$2.5M · 2025$2.5M · 2026$3M · 2024-04-22 · 64 CASTLE ST, CASTLE HILL NSW 2154$1.8M · 2024-08-24 · 65A CASTLE ST, CASTLE HILL NSW 2154$2.2M · 2025-09-19 · 65 CASTLE ST, CASTLE HILL NSW 2154$2.5M · 2025-05-31 · 66 CASTLE ST, CASTLE HILL NSW 2154$2.5M · 2025-09-11 · 68 CASTLE ST, CASTLE HILL NSW 2154$1.8M · 2023-07-27 · 70 CASTLE ST, CASTLE HILL NSW 2154$2.7M · 2025-11-27 · 52 CASTLE ST, CASTLE HILL NSW 2154$2.1M · 2025-05-09 · 54 CASTLE ST, CASTLE HILL NSW 2154$2.2M · 2022-06-03 · 37 CASTLE ST, CASTLE HILL NSW 2154$2.9M · 2025-07-26 · 37 CASTLE ST, CASTLE HILL NSW 2154$1.9M · 2025-07-26 · 49A CASTLE ST, CASTLE HILL NSW 2154$2.4M · 2022-12-03 · 50 CASTLE ST, CASTLE HILL NSW 2154$1.7M · 2024-05-02 · 1/45 CASTLE ST, CASTLE HILL NSW 2154
Street price+9%vs suburb median
Turnover rate23.2%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Castle St, Castle Hill NSW 2154 over the past 5 years, plotted against the Castle Hill NSW 2154 median apartment price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$500k$1.0M$1.5M$2.0MSept 21May 23Jan 25Sept 26$880k · 2022$930k · 2023$930k · 2024$961k · 2025$973k · 2026$1.2M · 2021-12-19 · 31/59A CASTLE ST, CASTLE HILL NSW 2154$1.3M · 2025-10-13 · 35/59A CASTLE ST, CASTLE HILL NSW 2154$1.3M · 2026-07-11 · 26/59A CASTLE ST, CASTLE HILL NSW 2154$1.2M · 2024-12-09 · 38/59A CASTLE ST, CASTLE HILL NSW 2154$1.1M · 2023-07-01 · 44/59A CASTLE ST, CASTLE HILL NSW 2154$1.4M · 2025-03-11 · 44/59A CASTLE ST, CASTLE HILL NSW 2154$1.2M · 2026-02-25 · 55/59A CASTLE ST, CASTLE HILL NSW 2154$1.3M · 2025-09-29 · 56/59A CASTLE ST, CASTLE HILL NSW 2154$1.4M · 2024-08-27 · 62/59A CASTLE ST, CASTLE HILL NSW 2154$1.2M · 2025-05-03 · 67/59A CASTLE ST, CASTLE HILL NSW 2154$1.4M · 2025-06-15 · 73/59A CASTLE ST, CASTLE HILL NSW 2154$1.4M · 2024-07-04 · 76/59A CASTLE ST, CASTLE HILL NSW 2154$1.1M · 2022-10-24 · 80/59A CASTLE ST, CASTLE HILL NSW 2154$1.4M · 2025-11-09 · 80/59A CASTLE ST, CASTLE HILL NSW 2154
Apartment sales4Past 12 months
Turnover rate5.3%Past 5 years

Largest Apartment Projects

The largest apartment projects on Castle St, Castle Hill NSW 2154, ranked by number of lots.

1
6 CASTLE ST, CASTLE HILL NSW 2154Large project (100+ lots)
2
59A CASTLE ST, CASTLE HILL NSW 2154Medium project (51-100 lots)
3
17 CASTLE ST, CASTLE HILL NSW 2154Small-Medium project (20-50 lots)

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Living in Castle St, Castle Hill NSW 2154 : Street Profile & FAQs

Common questions about living on and buying property on Castle St, Castle Hill NSW 2154 — lifestyle, transport, and the local housing market.

Note: Data is sourced from the Australian Bureau of Statistics (ABS) 2021 Census data and knest.ai internal statistical data.

Is Castle St an expensive or affordable street relative to Castle Hill?

House prices on Castle St sit 9.19% above the Castle Hill suburb house median.

What are the risk and overlay factors on Castle St?

There are no bushfire, heritage, flood overlay, or high-voltage overlays on Castle St. 56 properties fall under other flood classifications, which indicates no flood risk identified or not mapped.

Are properties on Castle St mostly on high, level or low ground?

18 homes sit above the street; 28 homes sit level with the street; 1 homes sit below the street.

What type of road is Castle St?

Castle St is a local road.

Is Castle St mostly houses or apartments?

Castle St has 372 residential properties, with 15.1% being houses and 65.6% being apartments.

What are the major apartment developments on Castle St?

The major apartment developments on Castle St are 6 Castle St (389 lots, 7 levels), 59A Castle St (80 lots, 2 levels, built 1992), and 17 Castle St (22 lots, 11 levels).

How many properties have sold on Castle St?

5 houses and 4 apartments sold in the past 12 months. The 5-year turnover rate is 23.2% for houses and 5.3% for apartments.

Is Castle St a good street to buy property on?

Castle St is a local road with 372 residential properties, mostly apartments. House prices sit 9.19% above the Castle Hill suburb house median. There are no bushfire, heritage, or high-voltage overlays, though 56 properties have other flood classifications. 18 homes sit above the street, 28 sit level with the street, and 1 sits below the street. Major apartment developments include 6 Castle St, 59A Castle St, and 17 Castle St. 5 houses and 4 apartments sold in the past 12 months, with 5-year turnover rates of 23.2% for houses and 5.3% for apartments.