Northern Beaches · 2079
Mount Colah, NSW
incomes +18.0% (5y), population +6.5% (5y).
NextSuburb scoreTier C
43Below trend
Median house
$1.71M
5y growth
5.0%/yr
Gross yield
1.6%
Vacancy
1.5%
Stable but fully pricedHigh confidence
Eight-signal breakdown
Each signal scored 0–100 against the national distribution. Bars reflect how this suburb sits across the index.
- Capital growth (5y)5.0%/yr50/100
- Population growth+6.5% (5y)65/100
- Supply tightening-2.0% YoY60/100
- Rental yield1.6%32/100
- Rental demand1.5% vacancy63/100
- Income growth+18.0% (5y)72/100
- Construction pipelineno nearby pipeline0/100
- Affordabilityabove cap0/100
Why this score
Mount Colah scores 43/100 (Below trend). The two strongest signals: 18.0% income growth and 6.5% population growth over five years. The standout watch-out: the median is 114% of a typical budget.
Drivers
- Income growth+18.0% (5y)
- Population growth+6.5% (5y)
- Tight rentals1.5%
- Supply tightening-2.0% YoY
Risks
- At top of budget (114% of cap)
- Thin gross yield (1.6%)
Nearest infrastructure
Parramatta Light Rail Stage 218.9 km away
Approved · $2.4bn · completion 2031
Construction-stage projects within 10 km lift the suburb’s infrastructure score; projects more than 25 km away barely move it.
Comparable suburbs
Three NSW suburbs in the same budget band with the closest NextSuburb scores.
See the full NSW ranking60-month score history
Backfilled — live history begins May 2026Watch this suburb
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