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This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.
SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.
Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.
est. as @ -- *
2021 Census | -- people
Sales Activity
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Population
An assessment of population growth drivers in Sans Souci reveals an overall ranking slightly below national averages considering recent, and medium term trends
As of May 2026, the estimated population of the suburb of Sans Souci is around 10,940, reflecting an increase of 76 people since the 2021 Census. This increase represents a growth rate of approximately 0.7%. The change in population is inferred from AreaSearch's estimation of the resident population at 10,909 following examination of the latest ERP data release by the ABS in June 2025 and an additional 71 validated new addresses since the Census date. This results in a population density ratio of approximately 3,563 persons per square kilometer, placing Sans Souci in the upper quartile relative to national locations assessed by AreaSearch. Overseas migration contributed around 76.0% of overall population gains during recent periods, primarily driving growth in the area.
AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data, AreaSearch utilises NSW State Government's SA2 level projections, released in 2022 with a base year of 2021. Growth rates by age group from these aggregations are applied to all areas for the years 2032 to 2041. Examining future population trends, lower quartile growth is anticipated for statistical areas analysed by AreaSearch. Based on aggregated SA2-level projections, Sans Souci's population is expected to increase by approximately 296 persons to reach a total of around 11,236 by the year 2041, reflecting an overall increase of about 2.4% over the 16-year period.
Frequently Asked Questions - Population
Development
AreaSearch analysis of residential development drivers sees Sans Souci recording a relatively average level of approval activity when compared to local markets analysed countrywide
AreaSearch analysis of ABS building approval numbers in Sans Souci shows around 49 residential properties granted approval per year. Over the past five financial years, from FY21 to FY25, approximately 247 homes were approved, with a further 39 approved so far in FY26. The average new resident per year per dwelling constructed over these years is 0.2.
This indicates that new construction is meeting or exceeding demand, providing more options for buyers and potentially driving population growth beyond current expectations. The average value of new dwellings developed is $739,000, suggesting a focus on the premium segment with upmarket properties. In FY26, there have been $25.1 million in commercial approvals, indicating steady commercial investment activity in Sans Souci. Compared to Greater Sydney, Sans Souci records 18.0% less building activity per person, while it ranks among the 70th percentile of areas assessed nationally for new development.
New development consists of 43.0% standalone homes and 57.0% townhouses or apartments, demonstrating a trend towards denser development that appeals to downsizers, investors, and entry-level buyers. The location has approximately 191 people per dwelling approval, indicating a low density market. According to the latest AreaSearch quarterly estimate, Sans Souci is expected to grow by 265 residents through to 2041. With current construction levels, housing supply should adequately meet demand, creating favourable conditions for buyers while potentially enabling growth that exceeds current forecasts.
Frequently Asked Questions - Development
Development applications around Sans Souci
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| Lodged | Address | Description | Type | Distance | Status |
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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
Infrastructure
Sans Souci has very high levels of nearby infrastructure activity, ranking in the top 20% nationally
Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified six projects expected to impact the area. Notable ones are M6 Motorway Stage 1, Allure Collection, St George Hospital Redevelopment Stage 3, and Community and Cultural Centre - Rockdale Spine. The following list details those most relevant:.
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Frequently Asked Questions - Infrastructure
Sydney Metro City and Southwest
A 30km metro rail extension connecting Chatswood to Bankstown via the Sydney CBD. The Chatswood to Sydenham section, featuring a new harbour crossing and seven CBD stations, opened on 19 August 2024. The final stage involves converting the 13.5km T3 Bankstown Line to metro standards between Sydenham and Bankstown, upgrading 11 stations with platform screen doors, lifts, and full accessibility. The T3 line closed in September 2024 to enable conversion works. Following delays caused by over 130 days of industrial action, the Sydenham to Bankstown section is scheduled to open in the second half of 2026. End-to-end high-speed testing at up to 100km/h commenced in November 2025, and the first full-length test run from Tallawong to Bankstown was completed in January 2026. The Bankstown Station transit interchange and community precinct opened in March 2026. When complete, the M1 Line will span 66km with 31 stations, running every four minutes in peak.
St George Hospital Redevelopment Stage 3
The $411 million St George Hospital Stage 3 redevelopment has reached a major milestone with the completion of the 9-storey Kensington Street Building (KSB) in February 2026. This centerpiece facility centralises outpatient, ambulatory, and community services, including pathology collection, day rehabilitation, and surgical services with refurbished operating theatres. It introduces new models of care such as the Rehabilitation Cognitive Transition Unit for brain injury recovery and a Behavioural Support Unit for dementia and delirium. The project also includes 151 basement car spaces, a new public forecourt, and the demolition of the Prince William Wing, with final landscaping and refurbishment of existing clinical spaces scheduled for completion by late 2026.
Community Infrastructure Strategic Plan 2050
The Community Infrastructure Strategic Plan 2050 (CISP) is a long-term framework adopted by Canterbury-Bankstown Council to guide the planning and delivery of 149 community facilities over the next 25 years. The plan focuses on consolidating ageing, fit-for-purpose assets into modern multipurpose hubs. Key initiatives include the redevelopment of the Canterbury Leisure and Aquatics Centre, new district libraries, youth centres, and enhanced cultural spaces. The strategy is designed to support a population expected to reach 500,000 by 2036, with priority growth areas identified in the Bankstown CBD and Campsie precincts.
Rail Service Improvement Program - T4 Illawarra & Eastern Suburbs Line
A multi-billion-dollar upgrade (formerly More Trains, More Services) modernising the T4 line for higher frequency. Key works include the Digital Systems Program replacing trackside signals with ETCS Level 2 technology, platform extensions at Waterfall and Kiama for the Mariyung fleet, and power upgrades. As of May 2026, Mariyung trains have commenced passenger service on the South Coast Line (April 2026), and Digital Systems testing continues between Bondi Junction and Erskineville.
Mariyung Fleet (New Intercity Fleet)
The Mariyung Fleet is a 610-carriage double-deck electric train fleet (D sets) replacing the ageing V-set and Oscar fleets across the NSW intercity network. Delivered by the RailConnect NSW consortium (UGL, Hyundai Rotem, Mitsubishi Electric Australia), the trains feature wider 2x2 seating with arm rests, tray tables and cup holders, charging ports, dedicated luggage, pram and bicycle spaces, accessible toilets, dedicated wheelchair spaces, CCTV, digital information screens and Automatic Selective Door Operation. The fleet operates in 4, 6, 8 or 10-car formations. Passenger services commenced on the Central Coast & Newcastle Line on 3 December 2024, on the Blue Mountains Line on 13 October 2025, and on the South Coast Line on 14 April 2026. The South Coast Line rollout begins with seven 4 and 6-car sets, scaling to 16 trains by 2027 with 8-car sets later in 2026 and 10-car configurations in 2027. The project includes the Kangy Angy Maintenance Facility (operated by UGL on a 15-year contract) and extensive corridor upgrades including platform extensions, signalling modifications, balise installation and overhead wiring works.
M6 Stage 2
M6 Stage 2 is the proposed southern extension of the M6 motorway from President Avenue at Kogarah through twin tunnels to connect with the Princes Highway near Loftus and ultimately link to the M1 Princes Motorway. The project has been indefinitely shelved since 2022 due to market conditions, labour shortages and lack of funding commitment. The corridor remains reserved but there is no active planning, approval process or construction timeline as of December 2025.
Rail Service Improvement Program (formerly More Trains More Services)
Program of staged upgrades across Sydney's heavy rail network to increase frequency and capacity through digital systems, track and signalling works, station upgrades and new or upgraded rollingstock. Formerly branded as More Trains More Services, the program continues delivery on lines including T4 Eastern Suburbs & Illawarra, T8 Airport & South, and integration works tied to broader network changes.
Sans Souci Park Master Plan
Adopted Plan of Management and Master Plan guiding future management and development of the 3.27 hectare Sans Souci Park on the Georges River foreshore. Key features include regeneration of the historic Bathers Pavilion site, development of a local pavilion and kiosk, rehabilitation of the former ocean pool, upgraded beach and foreshore access, improved fishing and boat pontoon facilities, and preservation of heritage elements including the waterfront sandstone wall and the iconic 130-160 year old Moreton Bay fig tree. The plan provides equitable access, enhanced connectivity, and improved recreational amenities for the community.
Employment
AreaSearch analysis places Sans Souci well above average for employment performance across multiple indicators
Sans Souci has an educated workforce with professional services well represented. The unemployment rate was 2.7% in the past year, with estimated employment growth of 4.8%. As of December 2025, 6,305 residents are employed, with an unemployment rate of 1.5% below Greater Sydney's rate of 4.2%.
Workforce participation is similar to Greater Sydney's at 68.8%. According to Census responses, 40.4% of residents work from home, though Covid-19 lockdown impacts should be considered. Dominant employment sectors include health care & social assistance, construction, and professional & technical services. Construction shows strong specialization with an employment share 1.3 times the regional level.
However, professional & technical services are under-represented at 10.0% compared to Greater Sydney's 11.5%. The area offers limited local employment opportunities as indicated by Census data on working population vs resident population. Between December 2024 and December 2025, employment increased by 4.8%, labour force by 5.0%, raising the unemployment rate by 0.2 percentage points. In Greater Sydney, employment grew by 2.2% while labour force expanded by 2.3%. Jobs and Skills Australia's national employment forecasts from May-25 project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Sans Souci's employment mix suggests local employment should increase by 6.8% over five years and 13.7% over ten years, assuming no changes in population projections.
Frequently Asked Questions - Employment
Income
The economic profile demonstrates above-average performance, with income metrics exceeding national benchmarks based on AreaSearch comparative assessment
Sans Souci suburb's income level is notably higher than the national average, per latest ATO data compiled by AreaSearch for financial year 2023. Sans Souci's median income among taxpayers stands at $55,519, with an average income of $76,857. These figures compare to Greater Sydney's median income of $60,817 and average income of $83,003. Based on Wage Price Index growth of 10.32% since financial year 2023, current estimates project Sans Souci's median income to be approximately $61,249 and average income around $84,789 by March 2026. According to the 2021 Census, household, family, and personal incomes in Sans Souci fall around the 58th percentile nationally. Income distribution shows that 28.7% of residents (3,139 people) earn between $1,500 and $2,999, mirroring the broader area where 30.9% occupy this bracket. High housing costs consume 17.8% of income, yet strong earnings place disposable income at the 55th percentile nationally. The suburb's SEIFA income ranking places it in the 7th decile.
Frequently Asked Questions - Income
Housing
Sans Souci displays a diverse mix of dwelling types, with above-average rates of outright home ownership
Dwelling structure in Sans Souci, as evaluated at the latest Census, comprised 48.8% houses and 51.3% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Sydney metro's 55.9% houses and 44.1% other dwellings. Home ownership in Sans Souci was at 41.2%, with the remainder of dwellings either mortgaged (31.3%) or rented (27.5%). The median monthly mortgage repayment in the area was $2,700, above Sydney metro's average of $2,427. The median weekly rent figure was recorded at $500, compared to Sydney metro's $470. Nationally, Sans Souci's mortgage repayments are significantly higher than the Australian average of $1,863, while rents are substantially above the national figure of $375.
Frequently Asked Questions - Housing
Household Composition
Sans Souci has a typical household mix, with a lower-than-average median household size
Family households comprise 69.4% of all households, including 32.6% couples with children, 24.8% couples without children, and 11.1% single parent families. Non-family households account for the remaining 30.6%, with lone person households at 28.6% and group households comprising 1.9%. The median household size is 2.5 people, which is smaller than the Greater Sydney average of 2.7.
Frequently Asked Questions - Households
Local Schools & Education
The educational profile of Sans Souci exceeds national averages, with above-average qualification levels and academic performance metrics
In Sans Souci, 29.4% of residents aged 15 and above have university degrees, compared to the SA3 area's 38.7%. Bachelor degrees are most common at 21.1%, followed by postgraduate qualifications (6.5%) and graduate diplomas (1.8%). Vocational credentials are held by 32.9% of residents aged 15 and above, with advanced diplomas at 12.5% and certificates at 20.4%. Educational participation is high, with 27.3% currently enrolled in formal education.
This includes 9.0% in primary, 7.7% in secondary, and 4.9% in tertiary education.
Frequently Asked Questions - Education
Schools Detail
Nearby Services & Amenities
Transport
Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility
Sans Souci has 84 active public transport stops, all of which are bus stops. These stops are served by 17 different routes that together facilitate 1,692 weekly passenger trips. The area's transport accessibility is rated as excellent, with residents typically residing just 143 meters from the nearest stop. Most Sans Souci residents commute outward due to its primarily residential nature. Cars remain the dominant mode of transport at 85%, while only 6% use trains. On average, there are 1.3 vehicles per dwelling.
According to the 2021 Census, 40.4% of residents work from home, which may be due to COVID-19 conditions. Service frequency across all routes averages 241 trips per day, equating to approximately 20 weekly trips per individual stop.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Sans Souci's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions
Analysis of health metrics shows strong performance throughout Sans Souci. AreaSearch's assessment indicates low prevalence of common health conditions across both young and old age cohorts.
The rate of private health cover is very high at approximately 57% of the total population (~6,267 people), compared to 59.9% across Greater Sydney. The most common medical conditions in the area are arthritis and mental health issues, impacting 7.9 and 5.7% of residents respectively. 71.9% of residents declared themselves completely clear of medical ailments, compared to 74.6% across Greater Sydney. Working-age residents show notably healthy outcomes with low chronic condition prevalence. The area has 24.2% of residents aged 65 and over (2,647 people), which is higher than the 15.5% in Greater Sydney. Health outcomes among seniors are above average, with national rankings broadly in line with the general population.
Frequently Asked Questions - Health
Cultural Diversity
Sans Souci was found to be more culturally diverse than the vast majority of local markets in Australia, upon assessment of a range of language and cultural background related metrics
Sans Souci has a high level of cultural diversity, with 32.0% of its population born overseas and 40.5% speaking a language other than English at home. Christianity is the predominant religion in Sans Souci, accounting for 72.8% of people, compared to 49.2% across Greater Sydney. The top three ancestry groups are Greek (16.2%), Australian (15.1%), and English (14.9%).
Notably, Serbian (1.3%) is overrepresented in Sans Souci compared to the regional average of 0.5%. Similarly, Macedonian (2.4%) and Spanish (1.0%) are also more prevalent than their respective regional averages of 0.4% and 0.6%.
Frequently Asked Questions - Diversity
Age
Sans Souci hosts a notably older demographic compared to the national average
Sans Souci has a median age of 44, which exceeds Greater Sydney's figure of 37 and is significantly higher than the national norm of 38. The 75-84 age group comprises 8.9% of Sans Souci's population, higher than Greater Sydney's percentage, while the 25-34 cohort makes up 10.3%. Post-2021 Census, the 85+ age group grew from 3.3% to 4.5% of the population. Conversely, the 45 to 54 cohort decreased from 14.5% to 12.6%. By 2041, Sans Souci's age profile is projected to change significantly. The 85+ group is expected to grow by 87%, reaching 920 people from the current 492. This growth will be driven entirely by those aged 65 and above, with both the 55-64 and 45-54 cohorts projected to experience population declines.