Get the app

Illyarie Pl, Castle Hill NSW 2154

Street

Street Summary

Living on Illyarie Place, Castle Hill NSW 2154, you will find a quiet local road where 100% of the 17 residential properties are houses. The street features varied site heights, with 2 homes sit above the street; 6 homes sit level with the street; 7 homes sit below the street. There are insufficient recent house sales to calculate a reliable comparison against the suburb, so buyers should compare recent sales of individual homes on the street against nearby comparable properties.


PART 1
Street Profile

Property Type Mix

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

Houses vs Apartments17 total lots
100%
Houses (100%)
Apartments (0%)
Townhouses/Villas/Unclassified (0%)

PART 2
Houses

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

Land Topography

How house lots on Illyarie Pl, 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
2 lots
6 lots
7 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 Illyarie Pl, 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$5.0MOct 21June 23Feb 25Oct 26$2.1M · 2022$2.3M · 2023$2.5M · 2024$2.5M · 2025$2.5M · 2026$2.4M · 2025-07-19 · 14 ILLYARIE PL, CASTLE HILL NSW 2154$2.4M · 2024-08-26 · 10 ILLYARIE PL, CASTLE HILL NSW 2154$2.1M · 2025-09-27 · 11 ILLYARIE PL, CASTLE HILL NSW 2154
Turnover rate17.6%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Illyarie Pl, 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
Suburb Median Price
$0$250k$500k$750k$1.0MOct 21June 23Feb 25Oct 26$880k · 2022$930k · 2023$930k · 2024$963k · 2025$971k · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

Get the knest.ai app

Gain ultimate insights into any property

Buyer-focused property platform identifying risks, price estimates, 3D land maps and more to help you make smarter decisions — completely free.

Download on the App Store
5.0 rating
15k users

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

Common questions about living on and buying property on Illyarie Pl, 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 Illyarie Pl an expensive or affordable street relative to Castle Hill?

There are insufficient recent house sales on Illyarie Pl to calculate a reliable premium or discount against the Castle Hill average. Buyers should compare recent sales of individual homes on the street against nearby comparable properties to gauge current market positioning.

What are the risk and overlay factors on Illyarie Pl?

There are no bushfire, heritage, flood overlay, or high-voltage powerline overlays affecting properties on Illyarie Pl. However, 17 homes fall under other flood classifications, meaning no flood risk has been identified or the property has not been mapped for flood. This does not indicate a flood risk, but buyers should review council mapping and insurance costs before purchasing.

Are properties on Illyarie Pl mostly on high, level or low ground?

2 homes sit above the street; 6 homes sit level with the street; 7 homes sit below the street. Different site heights relative to the street can influence site characteristics, but buyers should assess the specific property rather than relying on the street average.

What type of road is Illyarie Pl?

Illyarie Pl is a local road. Local roads generally serve nearby residents, providing a quiet residential environment. Traffic data and speed limits are not available for this street.

Is Illyarie Pl mostly houses or apartments?

Illyarie Pl has 17 residential properties, and it is predominantly houses. The street has 100% houses and 0% apartments.

What are the major apartment developments on Illyarie Pl?

No major apartment developments are recorded on Illyarie Pl.

How many properties have sold on Illyarie Pl?

1 house sold in the past 12 months, and 0 apartments sold in the past 12 months. The 5-year turnover rate for houses is 17.6%, representing the proportion of properties that changed ownership during the past five years. Apartment turnover data is unavailable.

Is Illyarie Pl a good street to buy property on?

Illyarie Pl is a local road street with 17 residential properties, predominantly houses. It features a mixed profile of homes above, level with, and below the street. There are no bushfire, heritage, or high-voltage overlays, though 17 homes have other flood classifications. With 1 house sold in the past 12 months and a 17.6% 5-year turnover rate, it suits buyers seeking a quiet, local-road residential environment.