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Idaline St, Collaroy Plateau NSW 2097

Street

Street Summary

Idaline St, Collaroy Plateau NSW 2097 sits slightly above the suburb's house median. 27 homes sit above the street; 30 homes sit level with the street; 28 homes sit below the street. The street is 93.7% houses and 6.3% apartments. Three small apartment projects exist at 4, 58, and 77 Idaline St. Two houses sold in the last 12 months, with a 16.9% five-year turnover rate.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the Idaline St, Collaroy Plateau NSW 2097 property market.

Houses vs Apartments95 total lots
93.7%
6.3%
Houses (93.7%)
Apartments (6.3%)
Townhouses/Villas/Unclassified (0%)

PART 2
Houses

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

Land Topography

How house lots on Idaline St, Collaroy Plateau NSW 2097 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
27 lots
30 lots
28 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 Idaline St, Collaroy Plateau NSW 2097 over the past 5 years, plotted against the Collaroy Plateau NSW 2097 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$2.5M · 2022$2.7M · 2023$2.8M · 2024$2.9M · 2025$2.6M · 2026$2M · 2023-11-30 · 12 IDALINE ST, COLLAROY PLATEAU NSW 2097$3M · 2022-04-05 · 16 IDALINE ST, COLLAROY PLATEAU NSW 2097$2.4M · 2024-11-05 · 1 IDALINE ST, COLLAROY PLATEAU NSW 2097$2.6M · 2023-06-29 · 35 IDALINE ST, COLLAROY PLATEAU NSW 2097$3.8M · 2025-08-27 · 35 IDALINE ST, COLLAROY PLATEAU NSW 2097$3.4M · 2025-10-22 · 38 IDALINE ST, COLLAROY PLATEAU NSW 2097$2.4M · 2023-05-24 · 41 IDALINE ST, COLLAROY PLATEAU NSW 2097$2.1M · 2023-03-21 · 42 IDALINE ST, COLLAROY PLATEAU NSW 2097$2.3M · 2024-10-11 · 43 IDALINE ST, COLLAROY PLATEAU NSW 2097$3.2M · 2023-08-25 · 59 IDALINE ST, COLLAROY PLATEAU NSW 2097$3.2M · 2023-09-13 · 68 IDALINE ST, COLLAROY PLATEAU NSW 2097$3M · 2024-05-17 · 76 IDALINE ST, COLLAROY PLATEAU NSW 2097$30k · 2021-12-21 · 8 IDALINE ST, COLLAROY PLATEAU NSW 2097$2.6M · 2023-02-06 · 9 IDALINE ST, COLLAROY PLATEAU NSW 2097
Street price+3%vs suburb median
Turnover rate15.7%Past 5 years

PART 3
Apartments

Largest Apartment Projects

The largest apartment projects on Idaline St, Collaroy Plateau NSW 2097, ranked by number of lots.

1
4 IDALINE ST, COLLAROY PLATEAU NSW 2097Small project (<20 lots)
2
58 IDALINE ST, COLLAROY PLATEAU NSW 2097Small project (<20 lots)
3
77 IDALINE ST, COLLAROY PLATEAU NSW 2097Small project (<20 lots)

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Living in Idaline St, Collaroy Plateau NSW 2097 : Street Profile & FAQs

Common questions about living on and buying property on Idaline St, Collaroy Plateau NSW 2097 — 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 Idaline St an expensive or affordable street relative to Collaroy Plateau?

House prices on Idaline St sit 3.01% above the Collaroy Plateau suburb house median.

What are the risk and overlay factors on Idaline St?

There are no bushfire, heritage, or flood overlay risks on Idaline St, and no properties are recommended for a flood check. However, 89 homes fall under other flood classifications, meaning no flood risk has been identified or the property has not been mapped for flood. There are also no high-voltage powerline risks on the street.

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

27 homes sit above the street; 30 homes sit level with the street; 28 homes sit below the street.

What type of road is Idaline St?

Idaline St is a local road. Local roads generally serve nearby residents and connect local streets with larger roads.

Is Idaline St mostly houses or apartments?

There are 95 residential properties on Idaline St. Houses make up 93.7% of the street, while apartments account for 6.3%.

What are the major apartment developments on Idaline St?

The major apartment developments on Idaline St include 4 Idaline St with 6 lots across 2 levels, 58 Idaline St with 6 lots across 1 level, and 77 Idaline St with 6 lots across 2 levels.

How many properties have sold on Idaline St?

2 houses sold in the past 12 months, while 0 apartments sold. The 5-year turnover rate is 16.9% for houses and 0% for apartments. Turnover measures the proportion of properties that changed ownership during the past five years.

Is Idaline St a good street to buy property on?

Idaline St is a local road predominantly made up of houses, with a small presence of apartments. It sits slightly above the suburb median for house prices. Buyers looking for detached homes on a local residential street may find it suitable, while apartment buyers should note the limited stock and recent sales activity.