St Marys Square is in Swansea and in Swansea district. SA1 3LP is located in the Castle electoral ward, within the English Parliamentary constituency of Swansea West. This postcode has been in use since 1980-01-01.
StreetScan combines information about St Marys Square, Swansea, SA1 3LP and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: SA1 3LW, SA1 3LQ, SA1 3LH, SA1 1EQ, SA1 3PP, SA1 3RT, SA1 1DE, SA1 3AE, SA1 1DF.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding SA1 3LP is primarily male, with 55.1% of the population being male. Several factors can contribute to this, including areas with industries or sectors that predominantly employ men, proximity to universities or technical schools with a higher enrollment of male students, presence of all-male or predominantly male institutions (military academies, boarding schools).
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 48.5% | 44.9% | -3.6% | 51.0% | -6.1% |
| Male | 51.5% | 55.1% | 3.6% | 49.0% | 6.1% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
In the immediate area around SA1 3LP, a significant portion of the population is single, making up 62.1% of the residents. On average, approximately 38% of individuals who responded to the census in the UK were single. Areas with higher single populations are typically urban centers, university towns, regions with dynamic job markets, rich cultural offerings and entertainment facilities. These regions also tend to have a younger demographic.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 53.4% | 62.1% | 8.7% | 37.9% | 24.2% |
| Married: Opposite sex | 13.6% | 12.5% | -1.1% | 44.2% | -31.7% |
| Married: Same sex | 0.8% | 0% | -0.8% | 0.3% | -0.3% |
| Separated | 5.3% | 2.2% | -3.1% | 2.2% | 0.0% |
| Divorced | 14% | 16.1% | 2.1% | 9.1% | 7.0% |
| Widowed | 12.9% | 7.1% | -5.8% | 6.1% | 1.0% |
Across the UK, the average 48.4% rated their health as Very Good, 33.6% as Good, 12.7% as Fair, 4% as Bad, and 1.2% as Very Bad.
Population age significantly impacts residents' health. Additionally, socioeconomic status plays a crucial role: higher income levels and lower poverty rates are linked to better health outcomes. Affluent areas benefit from higher living standards, access to private healthcare, and healthier lifestyle choices.
This area has a lower percentage of residents reporting their health as Good or Very Good (66.1%) compared to the average (82%). This typically indicates either an older population or social deprivation in the area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 39% | 32.6% | -6.4% | 48.4% | -15.8% |
| Good health | 23.9% | 33.5% | 9.6% | 33.6% | -0.1% |
| Fair health | 17.6% | 24.6% | 7.0% | 12.7% | 11.9% |
| Bad health | 14.7% | 6.7% | -8.0% | 4.0% | 2.7% |
| Very bad health | 4.8% | 2.7% | -2.1% | 1.2% | 1.5% |
During the 2021 census, the educational qualifications of residents across the UK were as follows: 18.2% had no qualifications, 9.6% had 1-4 GCSEs, 13.4% had 5 or more GCSEs and 1-2 A/AS Levels, 16.9% had 2 or more A Levels, 33.8% held a degree (or equivalent), and 5.4% had completed an apprenticeship.
In the area around SA1 3LP this area, 28.8% of residents have no qualifications. This is significantly higher than the UK average of 18.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 29.5% | 28.8% | -0.7% | 18.2% | 10.6% |
| 1-4 GCSEs or Equivalent | 9.5% | 6.8% | -2.7% | 9.6% | -2.8% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 7.6% | 5% | -2.6% | 13.4% | -8.4% |
| Apprenticeship | 2.7% | 4.1% | 1.4% | 5.3% | -1.2% |
| HNC, HND or 2+ A Levels | 10.6% | 14.9% | 4.3% | 16.9% | -2.0% |
| Degree or Similar | 29.9% | 36.5% | 6.6% | 33.8% | 2.7% |
| Other | 10.2% | 4.1% | -6.1% | 2.8% | 1.3% |
In this area, the population is more ethnically diverse compared to the UK average. While 70% of the residents identify as white, which is lower than the UK average of 81.4%, there are significant representations of other ethnic groups.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Bangladeshi | 1.5% | 0.4% | -1.1% | 1.1% | -0.7% |
| Chinese | 4% | 4% | 0.0% | 0.7% | 3.3% |
| Indian | 1.8% | 1.8% | 0.0% | 3.1% | -1.3% |
| Pakistani | 1.1% | 0.4% | -0.7% | 2.7% | -2.3% |
| Other Asian | 0.7% | 2.2% | 1.5% | 1.6% | 0.6% |
| Black African | 4% | 5.7% | 1.7% | 2.5% | 3.2% |
| Black Caribbean | 0% | 0.4% | 0.4% | 1.0% | -0.6% |
| Other Black | 0% | 0.4% | 0.4% | 0.5% | -0.1% |
| Mixed White and Asian | 0% | 1.3% | 1.3% | 0.8% | 0.5% |
| Mixed White and African | 0.4% | 0.4% | 0.0% | 0.4% | 0.0% |
| Mixed White and Caribbean | 0% | 0.4% | 0.4% | 0.9% | -0.5% |
| Mixed Other | 0% | 2.2% | 2.2% | 0.8% | 1.4% |
| White | 81.6% | 70% | -11.6% | 81.4% | -11.4% |
| Arab | 3.3% | 4.4% | 1.1% | 0.6% | 3.8% |
| Other | 1.5% | 5.7% | 4.2% | 1.6% | 4.1% |
In this area, 61.8% of the population were born in the United Kingdom, which is lower than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 71.3% | 61.8% | -9.5% | 83.2% | -21.4% |
| European Union | 11% | 9.3% | -1.7% | 6.1% | 3.2% |
| Rest of Europe | 0.7% | 5.8% | 5.1% | 0.8% | 5.0% |
| Africa | 4.4% | 8% | 3.6% | 2.7% | 5.3% |
| Middle East and Asia | 11.8% | 12% | 0.2% | 5.6% | 6.4% |
| The Americas and the Caribbean | 0.4% | 2.7% | 2.3% | 1.3% | 1.4% |
| Oceania | 0% | 0.4% | 0.4% | 0.3% | 0.1% |
| British Overseas | 0.4% | 0% | -0.4% | 0.0% | 0.0% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 71% | 61.8% | -9.2% | 83.2% | -21.4% |
| 10+ Years | 8.5% | 8.9% | 0.4% | 9.8% | -0.9% |
| 5-10 Years | 10.3% | 5.3% | -5.0% | 2.9% | 2.4% |
| 2-5 Years | 5.9% | 9.8% | 3.9% | 2.2% | 7.6% |
| Less than 2 years | 4.4% | 14.2% | 9.8% | 1.9% | 12.3% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 54% | 76.7% | -22.7% |
| Germany | 0.4% | 0.2% | 0.2% |
| Italy | 0.4% | 0.6% | -0.2% |
| Spain | 0.4% | 0.4% | 0.0% |
| Poland | 4.9% | 1.3% | 3.6% |
| Other EU countries | 1.3% | 1.5% | -0.2% |
| Turkey | 5.3% | 0.1% | 5.2% |
| North Africa | 1.8% | 0.1% | 1.7% |
| Central and Western Africa | 2.7% | 0.3% | 2.4% |
| South and Eastern Africa | 1.3% | 0.2% | 1.1% |
| Middle East | 4% | 0.1% | 3.9% |
| Eastern Asia | 2.7% | 0.3% | 2.4% |
| Southern Asia | 1.3% | 1.2% | 0.1% |
| South-East Asia | 0.9% | 0.2% | 0.7% |
| Central Asia | 0.4% | 0.0% | 0.4% |
| North America and the Caribbean | 0.9% | 0.3% | 0.6% |
| Central and South America | 0.4% | 0.2% | 0.2% |
| No passport held | 16.8% | 13.5% | 3.3% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 37.8% | 37.2% | 0.6% |
| Christian | 39.6% | 46.2% | -6.6% |
| Buddhist | 1.3% | 0.5% | 0.8% |
| Hindu | 1.3% | 1.7% | -0.4% |
| Muslim | 8.4% | 6.5% | 1.9% |
| Other religion | 0.4% | 0.6% | -0.2% |
| Not answered | 11.1% | 6.0% | 5.1% |
Over the last 12 months, the overall crime rate around St Marys Square was 2221.3 per 1,000 residents, which is 471.3% higher than the Castle average. The most reported crime type was Shoplifting.
St Marys Square has the 2nd highest crime rate of 123 local areas in Castle and the 2nd highest crime rate of 785 local areas in Swansea .
Violent and sexual offences accounted for around 774.6 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -41.6%.

Households in this area have a much lower level of wealth compared to the average household in England and Wales. 95% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 10 St Marys Square, Swansea, Swansea Other, an established residential building | £601,000 | 2016-12-22 | £808,187 |
The percentage of student residents living in SA1 3LP area is much higher than the country's average. Usually places with high percentage of students are near Universities and near entertainment places.
| Retired | 59 |
| Full-Time Employee | 49 |
| Student (economically inactive) | 47 |
| Long-Term Sick or disabled | 22 |
| Full-Time Student (with or without job) | 12 |
| Unemployed | 11 |
| Part-Time Employee | 11 |
| Other | 9 |
| Self-Employed | 6 |
| Looking after home or family | 1 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 16 |
| Other | 10 |
| Education | 10 |
| Accommodation and food service activities | 9 |
| Financial and insurance activities | 7 |
| Construction | 7 |
| Human health and social work activities | 7 |
| Manufacturing | 5 |
| Information and communication | 4 |
| Professional, scientific and technical activities | 4 |
| Real estate activities | 3 |
| Administrative and support service activities | 2 |
| Transport and storage | 2 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Helen's Primary School Vincent Street , SA1 3TY | - not rated | 906 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Terrace Road Primary School Terrace Road , Mount Pleasant SA1 6JD | - not rated | 994 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Christchurch (C.I.W.) Voluntary Aided Primary School Rodney Street , SA1 3UA | - not rated | 1,094 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Crug Glas Croft Street , SA1 1QA | - not rated | 1,101 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Sea View Community Primary School Creidiol Road , Mayhill SA1 6TX | - not rated | 1,117 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Cartrefi Cymru@The Social Bean | 12 St Marys Square | 1 yd | |
| St Marys Church Cafe | St Marys Square | 52 yd | |
| Five Guys | Unit 2, 1-4 Castle Square | 130 yd | |
| Hanson at the Chelsea Restaurant | 17 St Mary Street | 130 yd | |
| The Cwtch | 9 Caer Street | 137 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Olde Cross Keys | 12 St Mary Street | 85 yd | |
| SIX | 6 Princess Way | 97 yd | |
| The Griffin | 8 Castle Square | 130 yd | |
| Hogarths | 2-3 St Mary Street | 130 yd | |
| Level 256 | 7-8 Caer St | 137 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Big Daddy's Pizza & Kebab Ltd | 55 Wind Street | 147 yd | |
| Chick-O-Land | 62 Wind Street | 148 yd | |
| Eatalians | 1 Wind Street | 180 yd | |
| Jack the chipper | 5-6 Castle Square | 182 yd | |
| Coco di Mama | 6 Wind Street | 190 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Iceland Foods PLC | Unit 1a, St Davids Square | 34 yd | |
| Castle Square Convenience Store Ltd | 10-11 Caer Street | 129 yd | |
| Tesco | Tesco Stores Ltd, Albert Row | 279 yd | |
| Sainsburys Supermarkets Plc | Sainsbury's, Quay Parade | 566 yd | |
| Aldi Stores Ltd | Unit 1 Parc Tawe | 700 yd |
This statistics are based on Active Places Data - Contains Data © Sport England
| Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 14.8% |
| Percentage of premises unable to receive 2Mbit/s | 0.0% |
| Percentage of premises unable to receive 5Mbit/s | 0.0% |
| Percentage of premises unable to receive 10Mbit/s | 0.0% |
| Percentage of premises unable to receive 30Mbit/s | 0.0% |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.