Castle Street is in Loughor, Swansea and in Swansea district. SA4 6TS is located in the Llwchwr electoral ward, within the English Parliamentary constituency of Gower. This postcode has been in use since 1993-01-01.
StreetScan combines information about Castle Street, Loughor, Swansea, SA4 6TS and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: SA4 6TT, SA4 6TR, SA4 6TP, SA4 6TU, SA4 6UP, SA4 6TL.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around SA4 6TS is generally consistent with those figures, having a male population of 49.1%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 50.9% | 50.9% | 0.0% | 51.0% | -0.1% |
| Male | 49.1% | 49.1% | 0.0% | 49.0% | 0.1% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 31.3% | 36.9% | 5.6% | 37.9% | -1.0% |
| Married: Opposite sex | 53.4% | 47.4% | -6.0% | 44.2% | 3.2% |
| Married: Same sex | 0.7% | 0.7% | 0.0% | 0.3% | 0.4% |
| Separated | 3.6% | 2% | -1.6% | 2.2% | -0.2% |
| Divorced | 7.1% | 8.5% | 1.4% | 9.1% | -0.6% |
| Widowed | 3.9% | 4.6% | 0.7% | 6.1% | -1.5% |
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.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 52.6% | 51.9% | -0.7% | 48.4% | 3.5% |
| Good health | 27.6% | 32.3% | 4.7% | 33.6% | -1.3% |
| Fair health | 12.6% | 10.3% | -2.3% | 12.7% | -2.4% |
| Bad health | 5.2% | 4% | -1.2% | 4.0% | 0.0% |
| Very bad health | 2% | 1.6% | -0.4% | 1.2% | 0.4% |
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.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 17.1% | 10.5% | -6.6% | 18.2% | -7.7% |
| 1-4 GCSEs or Equivalent | 14.6% | 9.5% | -5.1% | 9.6% | -0.1% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 20.6% | 14.4% | -6.2% | 13.4% | 1.0% |
| Apprenticeship | 3.9% | 6.9% | 3.0% | 5.3% | 1.6% |
| HNC, HND or 2+ A Levels | 12.1% | 19% | 6.9% | 16.9% | 2.1% |
| Degree or Similar | 28.5% | 37.6% | 9.1% | 33.8% | 3.8% |
| Other | 3.2% | 2.3% | -0.9% | 2.8% | -0.5% |
In this area, the population is predominantly white, with 97.9% identifying as such, significantly higher than the UK average of 81.4%. This indicates a lower level of ethnic diversity compared to the broader UK population.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Chinese | 1.4% | 0% | -1.4% | 0.7% | -0.7% |
| Pakistani | 0% | 1.6% | 1.6% | 2.7% | -1.1% |
| Other Asian | 0.6% | 0% | -0.6% | 1.6% | -1.6% |
| Mixed White and Asian | 0% | 0.5% | 0.5% | 0.8% | -0.3% |
| White | 98% | 97.9% | -0.1% | 81.4% | 16.5% |
In this area, 96.8% of the population were born in the United Kingdom, which is higher than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 95.1% | 96.8% | 1.7% | 83.2% | 13.6% |
| European Union | 1.1% | 1.6% | 0.5% | 6.1% | -4.5% |
| Africa | 0.9% | 0% | -0.9% | 2.7% | -2.7% |
| Middle East and Asia | 1.4% | 1.1% | -0.3% | 5.6% | -4.5% |
| The Americas and the Caribbean | 1.4% | 0.3% | -1.1% | 1.3% | -1.0% |
| Oceania | 0% | 0.3% | 0.3% | 0.3% | 0.0% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 95.1% | 96.8% | 1.7% | 83.2% | 13.6% |
| 10+ Years | 0% | 1.8% | 1.8% | 9.8% | -8.0% |
| 5-10 Years | 0.9% | 1.3% | 0.4% | 2.9% | -1.6% |
| 2-5 Years | 1.4% | 0% | -1.4% | 2.2% | -2.2% |
| Less than 2 years | 2.6% | 0% | -2.6% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 89.2% | 76.7% | 12.5% |
| Italy | 0.3% | 0.6% | -0.3% |
| Poland | 1.3% | 1.3% | 0.0% |
| No passport held | 9.3% | 13.5% | -4.2% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 53.7% | 37.2% | 16.5% |
| Christian | 36.8% | 46.2% | -9.4% |
| Muslim | 1.6% | 6.5% | -4.9% |
| Not answered | 7.9% | 6.0% | 1.9% |
Over the last 12 months, the overall crime rate around Castle Street was 61.7 per 1,000 residents, which is 15.1% lower than the Gorseinon and Penyrheol average. The most reported crime type was Anti-social behaviour.
Castle Street has the 20th highest crime rate of 61 local areas in Gorseinon and Penyrheol and the 381st highest crime rate of 785 local areas in Swansea .
Violent and sexual offences accounted for around 26.8 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -57.5%.

Households in this area have a lower level of wealth compared to the average household in England and Wales. 74% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 47 Castle Street, Swansea, Swansea Detached, an established residential building | £280,000 | 2023-05-19 | £302,045 |
| 41 Castle Street, Swansea, Swansea Detached, an established residential building | £245,000 | 2022-10-14 | £255,410 |
| 78 Castle Street, Swansea, Swansea Terraced, an established residential building | £120,000 | 2022-07-01 | £131,527 |
| 80 Castle Street, Swansea, Swansea Other, an established residential building | £200,000 | 2021-07-15 | £217,447 |
| 80 Castle Street, Swansea, Swansea Other, an established residential building | £200,000 | 2021-01-29 | £235,484 |
SA4 6TS area has a low unemployment rate. According to Census 2021, 3% residents of this area were unemployed, while the average in the UK was 4.83%. A low level of unemployment in an area indicates a strong job market, where most people who are seeking work can find employment. This generally reflects a healthy economy in the area.
| Full-Time Employee | 114 |
| Retired | 63 |
| Part-Time Employee | 41 |
| Student (economically inactive) | 23 |
| Self-Employed | 19 |
| Long-Term Sick or disabled | 18 |
| Looking after home or family | 14 |
| Unemployed | 10 |
| Full-Time Student (with or without job) | 5 |
| Other | 3 |
| Human health and social work activities | 32 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 29 |
| Education | 18 |
| Public administration and defence; compulsory social security | 14 |
| Manufacturing | 12 |
| Construction | 10 |
| Administrative and support service activities | 9 |
| Information and communication | 8 |
| Transport and storage | 7 |
| Other | 6 |
| Professional, scientific and technical activities | 6 |
| Financial and insurance activities | 4 |
| Accommodation and food service activities | 4 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Agriculture, forestry and fishing | 1 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Casllwchwr Primary School Castle Street , Loughor SA4 6TU | - not rated | 241 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Tre Uchaf Primary School Heol Cae Ty Newydd , Loughor SA4 6QB | - not rated | 1,341 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Gynradd Bynea Saron Road , Bynea SA14 9LT | - not rated | 2,383 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Gynradd Gymraeg Pontybrenin Loughor Road , Gorseinon SA4 6AU | - not rated | 2,583 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Pontybrenin Primary School Glyn Rhosyn , Gorseinon SA4 6HX | - not rated | 2,583 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
School statistics for this postcode are based on Ofsted rankings.
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 | 63.2% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 63.2% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 63.2% |
| 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% |
| Median download speed | 79.7 Mbit/s |
| Average download speed | 159.1 Mbit/s |
| Minimum download speed | 600 Mbit/s |
| Maximum download speed | 600 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 19.9 Mbit/s |
| Maximum upload speed | 40 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.