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Whaddon Ave, Dee Why NSW 2099

Street

Street Summary

Whaddon Ave, Dee Why NSW 2099 is a local road where 100% of the 21 residential properties are houses. 7 homes sit above the street; 10 homes sit level with the street; 4 homes sit below the street. 8 homes are recommended for a flood check, while 13 have other flood classifications. House turnover is 19% over the past 5 years. 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 Whaddon Ave, Dee Why NSW 2099 property market.

Houses vs Apartments21 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 Whaddon Ave, Dee Why NSW 2099 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
7 lots
10 lots
4 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 Whaddon Ave, Dee Why NSW 2099 over the past 5 years, plotted against the Dee Why NSW 2099 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$2.5M · 2023$2.9M · 2024$2.8M · 2025$2.4M · 2026$2.7M · 2024-10-16 · 15 WHADDON AVE, DEE WHY NSW 2099$1.9M · 2023-09-22 · 3 WHADDON AVE, DEE WHY NSW 2099$2.2M · 2025-03-14 · 3 WHADDON AVE, DEE WHY NSW 2099$1.6M · 2023-05-18 · 12B WHADDON AVE, DEE WHY NSW 2099
Turnover rate19%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Whaddon Ave, Dee Why NSW 2099 over the past 5 years, plotted against the Dee Why NSW 2099 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$903k · 2022$885k · 2023$932k · 2024$1.1M · 2025$1.1M · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

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Living in Whaddon Ave, Dee Why NSW 2099 : Street Profile & FAQs

Common questions about living on and buying property on Whaddon Ave, Dee Why NSW 2099 — 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 Whaddon Ave an expensive or affordable street relative to Dee Why?

There are insufficient recent house sales on Whaddon Ave to calculate a reliable premium or discount against the Dee Why 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 Whaddon Ave?

There are no bushfire, heritage, or flood overlay classifications on Whaddon Ave, and no high-voltage powerline proximity. However, 8 homes are recommended for a flood check, and 13 fall under other flood classifications, meaning no flood risk has been identified or the property has not been mapped. A flood check recommendation is worth reviewing council mapping and insurance costs before purchasing.

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

7 homes sit above the street; 10 homes sit level with the street; 4 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 Whaddon Ave?

Whaddon Ave is a local road. Local roads generally serve nearby residents and connect directly to collector or arterial roads. Buyers should consider that local roads typically provide direct residential access.

Is Whaddon Ave mostly houses or apartments?

Whaddon Ave has 21 residential properties in total. The street is predominantly houses, with 100% of the residential stock classified as houses and 0% as apartments.

What are the major apartment developments on Whaddon Ave?

No major apartment developments are recorded on Whaddon Ave.

How many properties have sold on Whaddon Ave?

Zero houses and zero apartments have sold on Whaddon Ave in the past 12 months. The 5-year turnover rate for houses is 19%, which represents the proportion of properties that changed ownership during the past five years.

Is Whaddon Ave a good street to buy property on?

Whaddon Ave is a local road street with 21 residential properties, all of which are houses. The street has a mixed profile of homes sitting above, level with, and below the street. While there are no bushfire, heritage, or flood overlay classifications, 8 homes are recommended for a flood check and 13 fall under other flood classifications. The street is suited to buyers looking for detached houses on a local residential road.