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Illoura Ave, Wahroonga NSW 2076

Street

Street Summary

Living on Illoura Ave, Wahroonga NSW 2076, you are on a collector road with a 50km/h speed limit. The street is entirely house stock, with 10 homes sitting above the street, 10 sitting level with it, and 5 sitting below the street. There are 26 heritage-listed homes and 26 properties with other flood classifications. With a 15.4% house turnover rate over the past 5 years, there are insufficient recent house sales to calculate a reliable comparison against the suburb median, 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 Illoura Ave, Wahroonga NSW 2076 property market.

Houses vs Apartments26 total lots
100%
Houses (100%)
Apartments (0%)
Townhouses/Villas/Unclassified (0%)

Street Class & Speed Limit

The road classification and posted speed limit along Illoura Ave, Wahroonga NSW 2076. Road class and speed limit can each vary from section to section; the dominant setting along the street is shown here.

Dominant road class & speed limitCOLLECTOR ROAD · 50 km/h96.2% of properties front this section

PART 2
Houses

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

Land Topography

How house lots on Illoura Ave, Wahroonga NSW 2076 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
10 lots
10 lots
5 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
26 houses affected
Bushfire
0 houses affected
Flood
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Illoura Ave, Wahroonga NSW 2076 over the past 5 years, plotted against the Wahroonga NSW 2076 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$2.6M · 2022$2.9M · 2023$2.9M · 2024$3M · 2025$2.5M · 2026$2.7M · 2022-03-17 · 5 ILLOURA AVE, WAHROONGA NSW 2076$3.1M · 2024-06-05 · 1 ILLOURA AVE, WAHROONGA NSW 2076$2.8M · 2025-06-14 · 1 ILLOURA AVE, WAHROONGA NSW 2076$3.2M · 2025-02-18 · 19 ILLOURA AVE, WAHROONGA NSW 2076
Turnover rate15.4%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Illoura Ave, Wahroonga NSW 2076 over the past 5 years, plotted against the Wahroonga NSW 2076 median apartment price trend over the same period.

Street sales vs suburb median
Suburb Median Price
$0$500k$1.0M$1.5M$2.0MSept 21May 23Jan 25Sept 26$985k · 2022$860k · 2023$920k · 2024$924k · 2025$1.2M · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

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Living in Illoura Ave, Wahroonga NSW 2076 : Street Profile & FAQs

Common questions about living on and buying property on Illoura Ave, Wahroonga NSW 2076 — 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 Illoura Ave an expensive or affordable street relative to Wahroonga?

There are insufficient recent house sales on Illoura Ave to calculate a reliable premium or discount against the Wahroonga 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 Illoura Ave?

There are no bushfire, flood overlay, or high-voltage powerline factors on Illoura Ave. However, 26 properties carry a heritage listing, meaning renovations, extensions, or exterior changes may require additional council approval, reducing renovation flexibility. Additionally, 26 properties fall under other flood classifications, indicating no flood risk identified or not mapped, rather than an active flood risk.

Are properties on Illoura Ave mostly on high, level or low ground?

10 homes sit above the street; 10 homes sit level with the street; 5 homes sit below the street. The street features a mixed profile of homes at different site heights relative to the street. Different site heights can influence site characteristics, so buyers should assess the specific property rather than relying on the street average.

What type of road is Illoura Ave?

Illoura Ave is a collector road with a 50 km/h speed limit, and 96.2% of the residential properties front this dominant road section. Collector roads generally connect local streets with larger roads, which may result in slightly more through traffic than a local residential street.

Is Illoura Ave mostly houses or apartments?

There are 26 residential properties on Illoura Ave, and the street is predominantly houses, with 100% of the stock classified as houses and 0% as apartments. This means the street offers a traditional detached housing environment without the density or shared infrastructure of apartment living.

What are the major apartment developments on Illoura Ave?

No major apartment developments are recorded on Illoura Ave. The street consists entirely of individual house stock, so buyers looking for high-density living or apartment complexes will not find them here.

How many properties have sold on Illoura Ave?

Zero houses and zero apartments have sold on Illoura Ave in the past 12 months. The 5-year turnover rate for houses is 15.4%, representing the proportion of properties that changed ownership during the past five years. No apartment turnover data is available.

Is Illoura Ave a good street to buy property on?

Illoura Ave is best suited for buyers seeking detached houses on a collector road with a 50 km/h speed limit. The street offers a mix of homes sitting above, level with, and below the street, but buyers must navigate 26 heritage-listed properties, which may limit renovation flexibility. It is not suitable for apartment buyers or those seeking a purely local road environment.