Castle Street is in Swansea and in Swansea district. SA1 1HZ 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 Castle Street, Swansea, SA1 1HZ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: SA1 1JQ, SA1 1JG, SA1 1JH, SA1 1JF, SA1 1HF, SA1 2AF, SA1 2AH, SA1 5AE, SA1 3PP.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding SA1 1HZ is primarily male, with 59.5% 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 | 36.9% | 40.5% | 3.6% | 51.0% | -10.5% |
| Male | 63.1% | 59.5% | -3.6% | 49.0% | 10.5% |
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 1HZ, a significant portion of the population is single, making up 82.6% 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 | 68.3% | 82.6% | 14.3% | 37.9% | 44.7% |
| Married: Opposite sex | 9% | 12.2% | 3.2% | 44.2% | -32.0% |
| Married: Same sex | 1.2% | 0% | -1.2% | 0.3% | -0.3% |
| Separated | 2.4% | 1.7% | -0.7% | 2.2% | -0.5% |
| Divorced | 15% | 3.5% | -11.5% | 9.1% | -5.6% |
| Widowed | 4.2% | 0% | -4.2% | 6.1% | -6.1% |
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 | 43.5% | 48.3% | 4.8% | 48.4% | -0.1% |
| Good health | 31% | 35.3% | 4.3% | 33.6% | 1.7% |
| Fair health | 12.5% | 12.1% | -0.4% | 12.7% | -0.6% |
| Bad health | 6.5% | 3.4% | -3.1% | 4.0% | -0.6% |
| Very bad health | 6.5% | 0.9% | -5.6% | 1.2% | -0.3% |
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 1HZ this area, 3.5% of residents have no qualifications. This is significantly lower than the UK average of 18.2%. This area stands out for its high percentage of residents with higher education degree or similar. The UK average is 33.8%, while in this area it is 60%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 21.6% | 3.5% | -18.1% | 18.2% | -14.7% |
| 1-4 GCSEs or Equivalent | 13.8% | 4.3% | -9.5% | 9.6% | -5.3% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 11.4% | 13.9% | 2.5% | 13.4% | 0.5% |
| Apprenticeship | 1.2% | 0.9% | -0.3% | 5.3% | -4.4% |
| HNC, HND or 2+ A Levels | 18.6% | 11.3% | -7.3% | 16.9% | -5.6% |
| Degree or Similar | 26.3% | 60% | 33.7% | 33.8% | 26.2% |
| Other | 7.2% | 6.1% | -1.1% | 2.8% | 3.3% |
In this area, the population is more ethnically diverse compared to the UK average. While 64.3% 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 | 1.2% | 0.9% | -0.3% | 1.1% | -0.2% |
| Chinese | 3% | 7% | 4.0% | 0.7% | 6.3% |
| Indian | 0% | 2.6% | 2.6% | 3.1% | -0.5% |
| Other Asian | 3% | 7% | 4.0% | 1.6% | 5.4% |
| Black African | 1.2% | 5.2% | 4.0% | 2.5% | 2.7% |
| Other Black | 0% | 1.7% | 1.7% | 0.5% | 1.2% |
| Mixed White and Asian | 0.6% | 2.6% | 2.0% | 0.8% | 1.8% |
| Mixed White and African | 0% | 1.7% | 1.7% | 0.4% | 1.3% |
| Mixed White and Caribbean | 1.2% | 0.9% | -0.3% | 0.9% | 0.0% |
| Mixed Other | 0.6% | 1.7% | 1.1% | 0.8% | 0.9% |
| White | 85.1% | 64.3% | -20.8% | 81.4% | -17.1% |
| Roma | 0% | 0.9% | 0.9% | 0.2% | 0.7% |
| Arab | 3% | 1.7% | -1.3% | 0.6% | 1.1% |
| Other | 1.2% | 1.7% | 0.5% | 1.6% | 0.1% |
In this area, just 46.6% of residents were born in the United Kingdom, meaning that the majority of residents originate from outside the UK.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 77.4% | 46.6% | -30.8% | 83.2% | -36.6% |
| European Union | 7.1% | 23.3% | 16.2% | 6.1% | 17.2% |
| Rest of Europe | 1.2% | 2.6% | 1.4% | 0.8% | 1.8% |
| Africa | 1.2% | 8.6% | 7.4% | 2.7% | 5.9% |
| Middle East and Asia | 12.5% | 17.2% | 4.7% | 5.6% | 11.6% |
| The Americas and the Caribbean | 0.6% | 0% | -0.6% | 1.3% | -1.3% |
| Oceania | 0% | 1.7% | 1.7% | 0.3% | 1.4% |
In this area majority of residents originate from outside the UK. Only 46.6% of residents were born in the United Kingdom. 15.7% of residents have lived in the UK for 10 years or more.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 77.4% | 47% | -30.4% | 83.2% | -36.2% |
| 10+ Years | 7.7% | 15.7% | 8.0% | 9.8% | 5.9% |
| 5-10 Years | 7.7% | 6.1% | -1.6% | 2.9% | 3.2% |
| 2-5 Years | 4.2% | 10.4% | 6.2% | 2.2% | 8.2% |
| Less than 2 years | 3% | 20.9% | 17.9% | 1.9% | 19.0% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 50.4% | 76.7% | -26.3% |
| Ireland | 1.7% | 0.6% | 1.1% |
| Italy | 0.9% | 0.6% | 0.3% |
| Portugal | 2.6% | 0.5% | 2.1% |
| Spain | 1.7% | 0.4% | 1.3% |
| Poland | 3.4% | 1.3% | 2.1% |
| Romania | 0.9% | 0.9% | 0.0% |
| Other EU countries | 10.3% | 1.5% | 8.8% |
| Turkey | 1.7% | 0.1% | 1.6% |
| Other Europe | 0.9% | 0.2% | 0.7% |
| Central and Western Africa | 2.6% | 0.3% | 2.3% |
| South and Eastern Africa | 0.9% | 0.2% | 0.7% |
| Middle East | 2.6% | 0.1% | 2.5% |
| Eastern Asia | 6.8% | 0.3% | 6.5% |
| Southern Asia | 2.6% | 1.2% | 1.4% |
| South-East Asia | 0.9% | 0.2% | 0.7% |
| North America and the Caribbean | 1.7% | 0.3% | 1.4% |
| Oceania | 0.9% | 0.1% | 0.8% |
| No passport held | 6.8% | 13.5% | -6.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 59% | 37.2% | 21.8% |
| Christian | 24.8% | 46.2% | -21.4% |
| Muslim | 6.8% | 6.5% | 0.3% |
| Other religion | 3.4% | 0.6% | 2.8% |
| Not answered | 6% | 6.0% | 0.0% |
Over the last 12 months, the overall crime rate around Castle Street was 1128.4 per 1,000 residents, which is 190.2% higher than the Castle average. The most reported crime type was Violence and sexual offences.
Castle Street has the 6th highest crime rate of 123 local areas in Castle and the 6th highest crime rate of 785 local areas in Swansea .
Violent and sexual offences accounted for around 614.9 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -21.7%.

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 |
|---|---|---|---|
| 38 - 39 Castle Street, Swansea, Swansea Other, an established residential building | £50,000 | 2019-08-22 | £63,478 |
| 35 Castle Street, Swansea, Swansea Flats/Maisonettes, a newly built property | £92,500 | 2006-01-20 | £119,665 |
SA1 1HZ area has a high level of entrepreneurship. Only 18% of streets have higher percent of entrepreneur residents. 13% of population in this area is self-employed, while the average in the UK is 9.7%. High number of entrepreneurs usually leads to relatively high economic growth, higher paid jobs and better quality of life in the area.
The percentage of student residents living in SA1 1HZ area is much higher than the country's average. Usually places with high percentage of students are near Universities and near entertainment places.
| Full-Time Employee | 36 |
| Student (economically inactive) | 31 |
| Self-Employed | 15 |
| Full-Time Student (with or without job) | 12 |
| Part-Time Employee | 11 |
| Unemployed | 5 |
| Other | 4 |
| Long-Term Sick or disabled | 2 |
| Looking after home or family | 1 |
| Retired | 0 |
| Accommodation and food service activities | 25 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 18 |
| Education | 7 |
| Professional, scientific and technical activities | 6 |
| Administrative and support service activities | 6 |
| Other | 5 |
| Public administration and defence; compulsory social security | 5 |
| Information and communication | 5 |
| Human health and social work activities | 5 |
| Manufacturing | 4 |
| Financial and insurance activities | 3 |
| Construction | 2 |
| Transport and storage | 2 |
| Real estate activities | 2 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Ysgol Crug Glas Croft Street , SA1 1QA | - not rated | 836 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Terrace Road Primary School Terrace Road , Mount Pleasant SA1 6JD | - not rated | 936 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Sea View Community Primary School Creidiol Road , Mayhill SA1 6TX | - not rated | 1,024 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Helen's Primary School Vincent Street , SA1 3TY | - not rated | 1,094 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Thomas Community Primary School Grenfell Park Road , St Thoma's SA1 8EY | - not rated | 1,106 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 |
|---|---|---|---|
| Lolek | 35 Castle Street | 1 yd | |
| Copper Bar | 38-39 Castle Street | 9 yd | |
| Laserzone Ltd | Castle Buildings, Worcester Place | 24 yd | |
| Raj kitchen | 40-41 Castle Street | 24 yd | |
| The Mad Cow | Unit 2, Castle Arcade, Castle Street | 42 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Storyteller | 40-42 Princess Way | 107 yd | |
| Slug & Lettuce/Loco Loco/El Rodeo Mexicano/Burrito Bandits | 1-4 Caer Street | 131 yd | |
| Level 256 | 7-8 Caer St | 131 yd | |
| Bar Heaven Swansea | 7 Castle Square | 132 yd | |
| Popworld | 2-5 Wind Street | 149 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Dough Republic Limited | 4-6 College Street | 111 yd | |
| Jack the chipper | 5-6 Castle Square | 126 yd | |
| Eatalians | 1 Wind Street | 137 yd | |
| Star Bar and Restaurant | Green Dragon Lane | 170 yd | |
| Chick-O-Land | 62 Wind Street | 184 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Castle Square Convenience Store Ltd | 10-11 Caer Street | 140 yd | |
| Iceland Foods PLC | Unit 1a, St Davids Square | 299 yd | |
| Aldi Stores Ltd | Unit 1 Parc Tawe | 435 yd | |
| Sainsburys Supermarkets Plc | Sainsbury's, Quay Parade | 497 yd | |
| Tesco | Tesco Stores Ltd, Albert Row | 545 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 | 100.0% |
| 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.