3 Whaddon Avenue, Dee Why NSW 2099

Sold for $2,175,000 in Mar 2025, up $237,500 (12%) on the $1,937,500 paid in Sep 2023. That is about 8.2% a year over 1.5 years.

Over the same period the median house price in Dee Why rose 10%, from $2,600,000 in 2023 to $2,849,000 in 2025.

The 2025 sale was 24% below the Dee Why median house price for that year ($2,849,000 across 64 sales).

Since then the median house price in Dee Why has fallen 14%, from $2,849,000 in 2025 to $2,445,000 over the last 12 months (36 sales).

Dee Why medians use NSW Valuer General sales of $50,000 or more, leaving out part-interest transfers and contracts covering several properties, and need at least 10 sales in the period. See Dee Why sold prices by year.

Houses in postcode 2099 rented for a median $1,230 a week, from 325 bonds lodged Oct 2025 to Sep 2026.

On its last sale of $2,175,000 on 14 Mar 2025, that rent is a gross yield of 2.9% a year, before costs and vacancies.

Median weekly rents from residential rental bonds lodged with NSW Fair Trading, by postcode. This home's own rent may differ. See rents by bedrooms in Dee Why.