Sans Souci
At 3.07 sq km, Sans Souci houses 10,864 people at a density of 3,544.4 per sq km, giving it an established, compact character rather than an expansion-frontier feel. The median age is 44, 4 years above the national figure, while 32.0% of residents were born overseas, 10.4 percentage points above the national result. Greek ancestry is especially prominent at 2,181 people. Household income of $1,863 a week sits at the 67.3 percentile, supporting an established-wealth profile. For buyers comparing Sans Souci with nearby Ramsgate or Dolls Point, the 48.8% separate-house share is a useful starting point before focusing on apartment stock.
Population
10,864
Median Age
44.0
Household IncomeiMedian weekly household income (ABS Census)
$1,863/wk
DAs (12 months)iDevelopment Applications lodged in the past year
110
Homebuyers get a mixed dwelling market: 48.8% separate houses, 30.2% semi-detached homes and 20.5% apartments, with 39.4% of dwellings containing 3 bedrooms and 27.5% containing 4 or more. That spread creates more choice than a high-rise-only market, but buyers should compare land, strata and renovation exposure carefully. The listed mortgage repayment is $2,700 a month, and mortgage costs equal 33.5% of household income, above the 26.8% rent-to-income figure. This matters because established homes can carry maintenance costs in addition to borrowing. A $500 weekly rent benchmark helps renters assess whether buying improves their monthly position.
For Buyers
Homebuyers get a mixed dwelling market: 48.8% separate houses, 30.2% semi-detached homes and 20.5% apartments, with 39.4% of dwellings containing 3 bedrooms and 27.5% containing 4 or more. That spread creates more choice than a high-rise-only market, but buyers should compare land, strata and renovation exposure carefully. The listed mortgage repayment is $2,700 a month, and mortgage costs equal 33.5% of household income, above the 26.8% rent-to-income figure. This matters because established homes can carry maintenance costs in addition to borrowing. A $500 weekly rent benchmark helps renters assess whether buying improves their monthly position.
For Investors
Investor demand has a clear rental base, with 27.0% of households renting at $500 a week and a 6.4% vacancy rate. The vacancy figure should be compared with current local and postcode benchmarks before assuming strong leasing conditions, because tenant competition can vary by dwelling type. Sans Souci also recorded 111 development applications in 12 months, including a 2-dwelling attached dual occupancy, which may add choice and competition in selected pockets. Overseas migration is the primary growth driver, while rents have grown 33.3%. These factors support tenant demand, but the 40.5% outright ownership share points to an established owner-occupier base rather than a purely investor-led market.
Development Activity
Total DAs
538
Last 12 Months
110
YoY ChangeiYear-over-year change in DA lodgements
+14.6%
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Schools in Sans Souci
Open-register school locations for education access. This is not a school-quality ranking.
Demographics
Sans Souci has an older profile than Australia overall: the median age is 44, or 4 years above the national comparison. Overseas-born residents make up 32.0%, 10.4 percentage points above the national figure, and 37.9% have university qualifications, 7.8 points higher than nationally. Greek ancestry counts 2,181 people, while Greek is spoken by 684 residents, alongside Arabic at 214 and Macedon at 110. Christianity is recorded for 7,362 people and no religion for 2,051. The average household size is 2.5, matching the national comparison, while 82.9% stayed at the same address, suggesting continuity because many households are long-established.
Age Distribution
Bedrooms
Dwelling Structure
48.8%
Houses
30.2%
Townhouse
20.5%
Apartment
Tenure
Housing is more owner-oriented than rental-oriented: 40.5% of homes are owned outright and 30.7% have a mortgage, compared with 27.0% rented. The built form is mixed, with 48.8% separate houses, 30.2% semi-detached dwellings and 20.5% apartments. Three-bedroom homes lead at 39.4%, followed by 4 or more bedrooms at 27.5%, so family-sized stock is more common than studio and 1-bedroom dwellings at 4.6%. The listed mortgage payment is $2,700 a month and equals 33.5% of household income, above the 26.8% rent-to-income ratio. Compared with nearby Ramsgate and Dolls Point, buyers should assess each street's strata and redevelopment exposure rather than use a single suburb-wide housing assumption.
Mortgage / mo
$2,700
Rent / wkiMedian weekly rent for new bonds (April to June 2026), NSW Rental Bond Board (DCJ). Census 2021 median: $500.
$800
Bond data Jun 2026 · houses $1,125 · units $700
HH Size
2.5
Personal Income / wk
$859
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
6.4%
Unoccupied
285
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
26.8%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
33.5% stressed
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
45.8%
Couples with children
36.9%
Couples, no children
15.8%
Single parent
2,971
Total families
Economy & Employment
Sans Souci's employment base is led by healthcare at 14.5% or 488 workers, followed by Professional/Tech at 11.3% and 381, Construction at 11.3% and 380, Education at 10.6% and 358, and Retail at 7.5% and 252. Professionals number 1,188, while managers total 827 and clerical/admin workers 820, giving the suburb a white-collar and practical-services mix. Unemployment is 4.6% with a 55.7% participation rate, while household income of $1,863 a week sits above the midpoint at the 67.3 percentile. SEIFA results are uneven but favourable: IEO decile 7, IER 6, IRSD 6 and IRSAD 8. The higher IRSAD result compared with the two decile-6 measures points to stronger overall advantage than economic-resource results alone.
Unemployment
4.6%
Labour Force
5,043
Unemployed
232
Source: ABS Census 2021
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
56.6%
Part-time
30.1%
Participation
55.7%
Employed
4,811
Full-time and part-time are shares of the employed. Source: ABS Census 2021
Occupations
Top Industries
University
37.9%
Postgraduate
8.9%
Born Overseas
32.0%
Dwellings
4,132
Transport to Work
Daily life is more car-oriented than transit-oriented: 50.4% travel as car drivers, compared with 1.9% using public transport and 2.1% walking or cycling. Work-from-home participation is high at 42.1%, which can reduce commuting pressure for some households. One local government primary school, Sans Souci Public School, supports primary access, but enrolment zones should be checked against the exact address and secondary options planned separately. The suburb's density is 3,544.4 people per sq km and its IRSAD score sits in decile 8, above the midpoint for relative advantage. Compare street noise, parking and waterfront access in person, especially where apartments sit beside detached homes.
Drive
50.4%
Public Transport
1.9%
Walk / Cycle
2.1%
Work from Home
42.1%
Population Forecast
+0.49%/yr
(+84 people/yr)
EstablishedGrowth is steady rather than rapid, with an annual trend of 0.49% and an established forecast type. Overseas migration is the primary driver, which fits Sans Souci's 32.0% overseas-born share and helps explain why growth can continue without a large new-release pipeline. Population change across the wider area is 12.5% over 10 years, while the shift trajectory is Mixed. Growth signals also conflict on gentrification: the shift measure records a score of 31 and stage "Early signs", but the current gentrification result is score 0 and "Not gentrifying". Compared with a high-growth corridor, this points to gradual change shaped more by migration and renewal than rapid expansion.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Overseas Migration
Net Overseas / yr
+173
Net Internal / yr
-134
Gentrification Signal
Not gentrifying
Net internal outflow -134/yr
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Sans Souci compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Sans Souci a good suburb to live in?
Sans Souci suits buyers who value an established setting, with 10,864 residents, a median age of 44 and an IRSAD decile of 8. Car access is stronger than public transport, with 50.4% driving and 1.9% using public transport, so inspect parking, commuting and school zones before choosing an address.
What is the median house price in Sans Souci?
Use a current suburb-level sales series because the dwelling mix is broad: 48.8% separate houses, 30.2% semi-detached homes and 20.5% apartments. Apply a house-only measure to houses and compare it with unit data rather than using one figure for every property type.
What schools are in Sans Souci?
One local government primary school is identified: Sans Souci Public School. Confirm the enrolment zone for the exact address and review secondary options separately, since school access can change across the suburb's 3.07 sq km. Do not infer school quality from sector or location alone.
Is Sans Souci safe?
Check safety at street level using current NSW Police information, council updates and visits at different times. Sans Souci covers 3.07 sq km and has a density of 3,544.4 people per sq km, so lighting, parking and evening activity can vary between addresses. Treat the suburb label as a starting point, not a guarantee.
Is Sans Souci good for property investment?
It can suit a long-term investor, but returns need careful testing. Rents are $500 a week, 27.0% of households rent, vacancy is 6.4% and 111 development applications were recorded over 12 months. Overseas migration is the primary growth driver and rent growth is 33.3%, while 40.5% ownership outright signals strong owner-occupier competition for stock.
How is Sans Souci's population changing?
Sans Souci has 10,864 residents today. Growth is tracking at 0.49% a year, primarily driven by overseas migration, and population change across the wider area is 12.5% over 10 years. The trajectory is Mixed, so the pattern points to gradual change rather than a rapid population surge.
What languages are spoken in Sans Souci?
Greek is the leading recorded language, with 684 speakers, followed by Arabic at 214, Macedon at 110, Mandarin at 108 and Canton at 83. The overseas-born share is 32.0%, above the national comparison by 10.4 percentage points, so households should check local language support where relevant.
What development is occurring in Sans Souci?
Development activity is material, with 111 applications in 12 months. Recent applications include a 2-dwelling attached dual occupancy, a complying development certificate and telecommunications works. Buyers and investors should check council registers, construction timing and local traffic effects because approvals can change the outlook for individual streets.
How to read these comparisons
Phrases like "above the national average" reference the unweighted median across Australian suburbs with more than 1,000 residents, not population-weighted national figures. Suburb-level medians are more useful for ranking suburbs against each other; ABS census headlines are population-weighted (so dominated by Sydney and Melbourne) and can read very differently.
Current baseline (refreshed 2026-05-10): median age 40, university-educated 30.1%, born overseas 21.6%, average household size 2.5 people.
Data sources: ABS 2021 Census (demographics, income, tenure), state education open registers (school locations), state Crime Statistics agencies (offences), council DA portals (development applications). Population forecasts use a Hamilton-Perry cohort model calibrated to ABS ERP.
Explore Sans Souci on the Map
View parcels, zoning overlays, DA applications, schools and more.
Open Interactive Map