Stickybeak

Suburb comparison

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 decile10/109/10
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.

Full suburb profiles

Collaroy 2097Dee Why 2099