Killarney Heights vs Allambie Heights

Comparing Killarney Heights and Allambie Heights, NSW: Allambie Heights has more residents (7,317 vs 4,502); Killarney Heights scores higher overall (68 vs 56); and Killarney Heights rents higher ($923/wk vs $600/wk).

Which one suits you?

There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.

Families with school-age kids

They split

one each way, out of the 6 things we measure here

  • Killarney Heights is already more of a family suburb (82% vs 73%)
  • Allambie Heights has more parks and reserves (13 vs 9)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

Too close to call

Nothing among the 2 things we measure here separates them by enough to be worth acting on.

Weighs house prices and mortgage stress.

Renters

Allambie Heights

ahead on 2 of the 3 things we measure here

  • has cheaper rent ($600/wk vs $923/wk)
  • leaves renters under less rental stress (21% vs 27%)

Weighs rent, rental stress, and how much is for rent.

Commuting to the city

Killarney Heights

ahead on the one thing that separates them

  • has a shorter drive in (27 min vs 32 min)

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

Too close to call

Nothing among the 5 things we measure here separates them by enough to be worth acting on.

Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.

Investors

Too close to call

Nothing among the 1 things we measure here separates them by enough to be worth acting on.

Weighs population growth.

Where they sit

Killarney Heights and Allambie Heights drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Killarney Heights Allambie Heights
Hides rows where both suburbs match

Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.

Side by side, out of 100

Risks are inverted — shown as safety and low exposure — so a longer bar always means better.

Killarney Heights Allambie Heights
Walkability 62 / 67
Killarney Heights — Walkability: 62/100 Allambie Heights — Walkability: 67/100
Safety 74 / 79
Killarney Heights — Safety: 74/100 Allambie Heights — Safety: 79/100
Low fire risk 23 / 30
Killarney Heights — Low fire risk: 23/100 Allambie Heights — Low fire risk: 30/100

Demographics

Allambie Heights has more residents (7,317 vs 4,502); Killarney Heights rents higher ($923/wk vs $600/wk).

Killarney Heights Allambie Heights
Population 4,502 7,317
+63% vs other
Population trend (2016 → 2021) +0.7% +4.4%
Median age 43
same for both
Median household income $178,152/yr
+16% vs other
 $150,280/yr
Median weekly rent $923/wk
+35% vs other
 $600/wk

Age profile

Share of residents in each band, 2021 Census.

Killarney Heights Allambie Heights
0-4 4.6% / 5.3%
Killarney Heights — 0-4: 4.6% Allambie Heights — 0-4: 5.3%
5-14 17.5% / 16.1%
Killarney Heights — 5-14: 17.5% Allambie Heights — 5-14: 16.1%
15-19 9.2% / 6.6%
Killarney Heights — 15-19: 9.2% Allambie Heights — 15-19: 6.6%
20-24 6.2% / 5.2%
Killarney Heights — 20-24: 6.2% Allambie Heights — 20-24: 5.2%
25-34 4.3% / 6.8%
Killarney Heights — 25-34: 4.3% Allambie Heights — 25-34: 6.8%
35-44 11.1% / 12.9%
Killarney Heights — 35-44: 11.1% Allambie Heights — 35-44: 12.9%
45-54 17.9% / 16.7%
Killarney Heights — 45-54: 17.9% Allambie Heights — 45-54: 16.7%
55-64 13.0% / 11.1%
Killarney Heights — 55-64: 13.0% Allambie Heights — 55-64: 11.1%
65-74 7.4% / 8.9%
Killarney Heights — 65-74: 7.4% Allambie Heights — 65-74: 8.9%
75-84 6.4% / 6.6%
Killarney Heights — 75-84: 6.4% Allambie Heights — 75-84: 6.6%
85+ 2.6% / 3.8%
Killarney Heights — 85+: 2.6% Allambie Heights — 85+: 3.8%

Bars are drawn against the largest share shown (17.9%).

Who lives together

Household composition, 2021 Census.

Killarney Heights 70.6% couple families
Killarney Heights — Couple Families: 70.6% Killarney Heights — Lone Person: 16.1% Killarney Heights — One Parent Families: 11.9% Killarney Heights — Group Household: 0.8% Killarney Heights — Other Families: 0.5%
Allambie Heights 62.6% couple families
Allambie Heights — Couple Families: 62.6% Allambie Heights — Lone Person: 24.2% Allambie Heights — One Parent Families: 10.7% Allambie Heights — Group Household: 1.7% Allambie Heights — Other Families: 0.8%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Killarney Heights 12.4% renting
Killarney Heights — Owned Outright: 48.4% Killarney Heights — Mortgage: 39.2% Killarney Heights — Renting: 12.4%
Allambie Heights 18.6% renting
Allambie Heights — Owned Outright: 37.1% Allambie Heights — Mortgage: 44.3% Allambie Heights — Renting: 18.6%
Owned outright Mortgage Renting

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Killarney Heights Allambie Heights
Bachelor Degree 22.0% / 18.0%
Killarney Heights — Bachelor Degree: 22.0% Allambie Heights — Bachelor Degree: 18.0%
Advanced Diploma / Diploma 8.7% / 9.2%
Killarney Heights — Advanced Diploma / Diploma: 8.7% Allambie Heights — Advanced Diploma / Diploma: 9.2%
Postgraduate Degree 10.2% / 6.3%
Killarney Heights — Postgraduate Degree: 10.2% Allambie Heights — Postgraduate Degree: 6.3%
Certificate III & IV 5.9% / 10.2%
Killarney Heights — Certificate III & IV: 5.9% Allambie Heights — Certificate III & IV: 10.2%
Graduate Diploma / Certificate 2.2% / 2.4%
Killarney Heights — Graduate Diploma / Certificate: 2.2% Allambie Heights — Graduate Diploma / Certificate: 2.4%

Bars are drawn against the largest share shown (22.0%).

Where residents were born

Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.

Killarney Heights Allambie Heights
England 6.3% / 8.0%
Killarney Heights — England: 6.3% Allambie Heights — England: 8.0%
China 3.5% / 1.5%
Killarney Heights — China: 3.5% Allambie Heights — China: 1.5%
New Zealand 2.0% / 1.9%
Killarney Heights — New Zealand: 2.0% Allambie Heights — New Zealand: 1.9%
South Africa 1.6% / 1.2%
Killarney Heights — South Africa: 1.6% Allambie Heights — South Africa: 1.2%
France 2.7% / —
Killarney Heights — France: 2.7% Allambie Heights — France: not among its largest
Italy — / 1.7%
Killarney Heights — Italy: not among its largest Allambie Heights — Italy: 1.7%

Bars are drawn against the largest share shown (8.0%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Killarney Heights 95.6% houses
Killarney Heights — Houses: 95.6% Killarney Heights — Flats / Apartments: 1.6% Killarney Heights — Townhouses: 2.8%
Allambie Heights 87.0% houses
Allambie Heights — Houses: 87.0% Allambie Heights — Flats / Apartments: 9.7% Allambie Heights — Townhouses: 3.3%
Houses Flats / Apartments Townhouses

Property market

Killarney Heights Allambie Heights
Median house price $2,800,000 $2,700,000
Median unit price — $1,035,000
Median land price —
same for both
Typical days to sell (houses) 26 days
from 30 sales
 22 days
from 36 sales

House price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Killarney Heights Allambie Heights
3 bed $2.98M / $2.22M
Killarney Heights — 3 bed: $2.98M (7 sales) Allambie Heights — 3 bed: $2.22M (37 sales)

7 vs 37 sales

4 bed $2.83M / $2.72M
Killarney Heights — 4 bed: $2.83M (18 sales) Allambie Heights — 4 bed: $2.72M (30 sales)

18 vs 30 sales

5 bed $2.81M / $3.3M
Killarney Heights — 5 bed: $2.81M (14 sales) Allambie Heights — 5 bed: $3.3M (31 sales)

14 vs 31 sales

Zoning mix

Killarney Heights has more land zoned for conservation (54% vs 1%).

Killarney Heights Allambie Heights
Parks and recreation 8% 65%
Environmental 54% 1%
Residential 35% 31%
Infrastructure and transport 4%
same for both
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09.

Development activity

Killarney Heights Allambie Heights
New dwellings approved 620
across Northern Beaches
same for both
Approvals change year on year +51%
same for both

Ranking within NSW

Killarney Heights Allambie Heights
House price Higher than 92% of NSW Higher than 91% of NSW
Income Higher than 98% of NSW Higher than 95% of NSW
Schools — Higher than 24% of NSW
Walkability Higher than 85% of NSW Higher than 87% of NSW
Affordability Higher than 30% of NSW Higher than 24% of NSW
EV adoption Higher than 95% of NSW Higher than 93% of NSW
NBN connectivity Higher than 77% of NSW Higher than 90% of NSW

Liveability

Killarney Heights scores higher overall (68 vs 56).

Killarney Heights Allambie Heights
Grade B
same for both
Score 68/100 56/100
Socio-economic band very advantaged area
decile 10/10
same for both

Risk profile

Killarney Heights Allambie Heights
Bushfire High
77/100
 High
70/100
Crime Low
26/100
 Low
21/100
Flood Not mapped
no mapped data here
same for both
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 0
within 5 km
 2
within 5 km

Schools

Killarney Heights Allambie Heights
Inside the suburb 2 3
Rated above peers 0
same for both
Rated at peers 2 1
Rated below peers 0
same for both
Universities within 10 km 2
Australian Catholic University-North Sydney Campus, 7.2 km
 1
Australian Catholic University-North Sydney Campus, 8.3 km
Full-time students aged 15–24 4.1% 3.1%

Schools in Killarney Heights

  • Killarney Heights High School Government · Secondary at peers
  • Killarney Heights Public School Government · Primary at peers

Schools in Allambie Heights

  • Allambie Heights Public School Government · Primary at peers
  • Arranounbai School Government · Combined · Special school
  • The Beach School Government · Secondary · Special school

Amenities in the suburb

Killarney Heights Allambie Heights
Supermarkets 0 1
Cafes & restaurants 5 6
Parks & reserves 9 13
Childcare 3 4
GPs 0 1
Pharmacies 0 2
Banks & Bank@Post 0 1
Fuel stations 0 1
Beaches 1 0
Waterways 2 4

Mobility

Killarney Heights Allambie Heights
Walkability score 62/100 67/100
Distance to Sydney 17.1 km 17.5 km
+2% vs other
Drive time (normal traffic) 27 min 32 min
Public transport score 79/100
Bus
 94/100
Bus
Peak arrivals per hour 79.0
7-9am + 5-7pm
 266.5
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
 0 min
scheduled, not actual
Electric vehicle share 2.4%
postcode 2087
 2.0%
postcode 2100
Rooftop solar per 100 dwellings 39
postcode 2087
 33
postcode 2100

How people get to work

Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.

Killarney Heights Allambie Heights
Worked from Home 62.0% / 51.8%
Killarney Heights — Worked from Home: 62.0% Allambie Heights — Worked from Home: 51.8%
Car (driver) 31.1% / 38.7%
Killarney Heights — Car (driver): 31.1% Allambie Heights — Car (driver): 38.7%
Car (passenger) 2.3% / 3.0%
Killarney Heights — Car (passenger): 2.3% Allambie Heights — Car (passenger): 3.0%
Walked Only 2.4% / 2.6%
Killarney Heights — Walked Only: 2.4% Allambie Heights — Walked Only: 2.6%
Bus 1.8% / 2.7%
Killarney Heights — Bus: 1.8% Allambie Heights — Bus: 2.7%

Bars are drawn against the largest share shown (62.0%).

Setting

Killarney Heights Allambie Heights
Elevation 91 m
above sea level, at the suburb centre
 102 m
above sea level, at the suburb centre
Distance to the ocean 4.6 km
1.1 km to a named beach
 3.6 km
2.6 km to a named beach

NBN connectivity

Killarney Heights Allambie Heights
Connectivity score 71/100 81/100
Most common technology Hybrid fibre-coaxial
same for both
Full-fibre (FTTP) share 19%
1,544 premises
 33%
2,623 premises

Climate

Killarney Heights Allambie Heights
Annual rainfall 1,176 mm
same for both
Summer max (Jan) —
same for both
Winter min (Jul) —
same for both

Air quality (annual mean)

Killarney Heights Allambie Heights
PM2.5 5.4 µg/m³ 6.3 µg/m³
PM10 14.2 µg/m³ 13.8 µg/m³
NO₂ 0.23 pphm 0.84 pphm

Council rates

Killarney Heights Allambie Heights
Average residential rate $1,696/yr
same for both
Council Northern Beaches
same for both

Federal electorate

Killarney Heights Allambie Heights
Division Mackellar Warringah
Member Sophie Scamps Zali Steggall
Party Independent
same for both

First Home Owner Grant

Killarney Heights Allambie Heights
Grant amount $10,000
same for both
Property price cap $600,000
same for both
Eligibility New
same for both

Tags

Killarney Heights

Family Large Blocks Middle-Ring Parks Premium Professionals Quiet River

Allambie Heights

Easy Commute Large Blocks Middle-Ring Parks Premium Quiet Transport Hub

More comparisons

Other comparisons with Killarney Heights

Killarney Heights vs Frenchs Forest Killarney Heights vs Forestville Killarney Heights vs Seaforth

Other comparisons with Allambie Heights

Allambie Heights vs Frenchs Forest Allambie Heights vs Beacon Hill Allambie Heights vs Seaforth Allambie Heights vs Manly Vale Allambie Heights vs North Balgowlah Allambie Heights vs North Manly
Full data on Killarney Heights Full data on Allambie Heights
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.

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