Collaroy vs Dee Why — which Sydney suburb suits you?
The key differences: Collaroy commands a $713K premium on median property price over Dee Why; Dee Why is $100/wk cheaper per week to rent; Dee Why has more schools within the postcode. The table below covers all available metrics.
Last refreshed April 2026 (most cards). Per-card sources show exact dates.
Northern Beaches
Collaroy
2097
Northern Beaches
Dee Why
2099
MetricCollaroyDee Why
Median house price$3.64M▲$2.92M
Median unit price$1.16M▲$940K
Median weekly rent$900/wk▲$800/wk
Annual price growth+12.8%▲+12.5%
SEIFA advantage decile10/10▲9/10
Flood zone coverage——
Bushfire zone coverage17.0%▲53.6%
Schools in postcode27▲
Choose Collaroy if...
Socio-economic advantage score matters to you
Collaroy leads on 6 of the 7 head-to-head metrics
Choose Dee Why if...
You want a lower entry price for a house
You are renting first and want lower weekly outgoings
School options within walking distance matter
Common questions
Is Collaroy or Dee Why more expensive?
Collaroy has the higher median house price ($3.64M) compared with $2.92M in Dee Why.
Which is better for renters — Collaroy or Dee Why?
Median weekly rent is $900/wk in Collaroy and $800/wk in Dee Why, making Dee Why the more affordable rental market.
Is Collaroy or Dee Why at higher flood risk?
Flood mapping coverage varies by postcode — see the flood risk pages for both suburbs for authoritative NSW data.
How many schools are in Collaroy vs Dee Why?
Collaroy has 2 schools in the postcode, and Dee Why has 7. Note that school catchments can extend across postcode boundaries.