Dillwyn Street is in Swansea and in Swansea district. SA1 4AQ 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 Dillwyn Street, Swansea, SA1 4AQ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: SA1 4AN, SA1 4AW, SA1 3BG, SA1 4AL, SA1 3HT, SA1 4AB, SA1 4AE, SA1 5JE, SA1 3BE.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding SA1 4AQ is primarily male, with 54.7% 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 | 37.5% | 45.3% | 7.8% | 51.0% | -5.7% |
| Male | 62.5% | 54.7% | -7.8% | 49.0% | 5.7% |
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 4AQ, a significant portion of the population is single, making up 60.8% 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 | 65.5% | 60.8% | -4.7% | 37.9% | 22.9% |
| Married: Opposite sex | 18.5% | 22.7% | 4.2% | 44.2% | -21.5% |
| Married: Same sex | 0% | 1.1% | 1.1% | 0.3% | 0.8% |
| Separated | 2.9% | 2.8% | -0.1% | 2.2% | 0.6% |
| Divorced | 10.2% | 10.2% | 0.0% | 9.1% | 1.1% |
| Widowed | 2.9% | 2.3% | -0.6% | 6.1% | -3.8% |
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 | 50% | 49.5% | -0.5% | 48.4% | 1.1% |
| Good health | 29.4% | 31.4% | 2.0% | 33.6% | -2.2% |
| Fair health | 15.5% | 11.9% | -3.6% | 12.7% | -0.8% |
| Bad health | 2.7% | 5.2% | 2.5% | 4.0% | 1.2% |
| Very bad health | 2.4% | 2.1% | -0.3% | 1.2% | 0.9% |
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 | 15.6% | 16.3% | 0.7% | 18.2% | -1.9% |
| 1-4 GCSEs or Equivalent | 10.9% | 5.2% | -5.7% | 9.6% | -4.4% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 10.5% | 11% | 0.5% | 13.4% | -2.4% |
| Apprenticeship | 2.2% | 0% | -2.2% | 5.3% | -5.3% |
| HNC, HND or 2+ A Levels | 17.1% | 25.6% | 8.5% | 16.9% | 8.7% |
| Degree or Similar | 29.5% | 38.4% | 8.9% | 33.8% | 4.6% |
| Other | 14.2% | 3.5% | -10.7% | 2.8% | 0.7% |
In this area, the population is more ethnically diverse compared to the UK average. While 66.7% 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 | 7.1% | 0.5% | -6.6% | 1.1% | -0.6% |
| Chinese | 7.8% | 3.6% | -4.2% | 0.7% | 2.9% |
| Indian | 1.4% | 3.1% | 1.7% | 3.1% | 0.0% |
| Pakistani | 0.7% | 2.6% | 1.9% | 2.7% | -0.1% |
| Other Asian | 0.7% | 2.1% | 1.4% | 1.6% | 0.5% |
| Black African | 6.1% | 4.7% | -1.4% | 2.5% | 2.2% |
| Black Caribbean | 0% | 0.5% | 0.5% | 1.0% | -0.5% |
| Other Black | 0% | 0.5% | 0.5% | 0.5% | 0.0% |
| Mixed White and African | 0.3% | 0.5% | 0.2% | 0.4% | 0.1% |
| Mixed White and Caribbean | 0.3% | 0.5% | 0.2% | 0.9% | -0.4% |
| Mixed Other | 0.3% | 6.8% | 6.5% | 0.8% | 6.0% |
| White | 67.2% | 66.7% | -0.5% | 81.4% | -14.7% |
| Roma | 0% | 0.5% | 0.5% | 0.2% | 0.3% |
| Arab | 6.8% | 3.1% | -3.7% | 0.6% | 2.5% |
| Other | 1.4% | 4.2% | 2.8% | 1.6% | 2.6% |
In this area, 55.5% 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 | 57.8% | 55.5% | -2.3% | 83.2% | -27.7% |
| European Union | 10.5% | 16.2% | 5.7% | 6.1% | 10.1% |
| Rest of Europe | 1.4% | 2.1% | 0.7% | 0.8% | 1.3% |
| Africa | 6.4% | 5.2% | -1.2% | 2.7% | 2.5% |
| Middle East and Asia | 23% | 16.8% | -6.2% | 5.6% | 11.2% |
| The Americas and the Caribbean | 1% | 3.7% | 2.7% | 1.3% | 2.4% |
| Oceania | 0% | 0.5% | 0.5% | 0.3% | 0.2% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 57.8% | 55.2% | -2.6% | 83.2% | -28.0% |
| 10+ Years | 13.2% | 17.2% | 4.0% | 9.8% | 7.4% |
| 5-10 Years | 17.2% | 5.7% | -11.5% | 2.9% | 2.8% |
| 2-5 Years | 6.4% | 12% | 5.6% | 2.2% | 9.8% |
| Less than 2 years | 5.4% | 9.9% | 4.5% | 1.9% | 8.0% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 58.9% | 76.7% | -17.8% |
| France | 0.5% | 0.3% | 0.2% |
| Italy | 0.5% | 0.6% | -0.1% |
| Portugal | 1% | 0.5% | 0.5% |
| Lithuania | 1% | 0.3% | 0.7% |
| Poland | 6.3% | 1.3% | 5.0% |
| Romania | 4.2% | 0.9% | 3.3% |
| Other EU countries | 3.1% | 1.5% | 1.6% |
| North Africa | 1.6% | 0.1% | 1.5% |
| Central and Western Africa | 1% | 0.3% | 0.7% |
| South and Eastern Africa | 0.5% | 0.2% | 0.3% |
| Middle East | 0.5% | 0.1% | 0.4% |
| Eastern Asia | 3.6% | 0.3% | 3.3% |
| Southern Asia | 1.6% | 1.2% | 0.4% |
| North America and the Caribbean | 0.5% | 0.3% | 0.2% |
| Central and South America | 2.1% | 0.2% | 1.9% |
| No passport held | 13% | 13.5% | -0.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 42.5% | 37.2% | 5.3% |
| Christian | 32.6% | 46.2% | -13.6% |
| Hindu | 2.6% | 1.7% | 0.9% |
| Muslim | 13.5% | 6.5% | 7.0% |
| Sikh | 0.5% | 0.9% | -0.4% |
| Other religion | 3.1% | 0.6% | 2.5% |
| Not answered | 5.2% | 6.0% | -0.8% |
Over the last 12 months, the overall crime rate around Dillwyn Street was 1360.6 per 1,000 residents, which is 249.9% higher than the Castle average. The most reported crime type was Violence and sexual offences.
Dillwyn Street has the 4th highest crime rate of 123 local areas in Castle and the 4th highest crime rate of 785 local areas in Swansea .
Violent and sexual offences accounted for around 632.0 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -50.1%.

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 |
|---|---|---|---|
| 11 Dillwyn Street, Swansea, Swansea Other, an established residential building | £235,000 | 2023-08-16 | £244,075 |
| 12 Dillwyn Street, Swansea, Swansea Terraced, an established residential building | £160,000 | 2022-03-02 | £186,495 |
| 13 Dillwyn Street, Swansea, Swansea Terraced, an established residential building | £201,000 | 2021-08-23 | £242,633 |
| 14 - 15 Dillwyn Street, Swansea, Swansea Other, an established residential building | £96,000 | 2019-04-03 | £123,879 |
| 11 Dillwyn Street, Swansea, Swansea Other, an established residential building | £215,000 | 2016-03-22 | £300,588 |
The percentage of student residents living in SA1 4AQ 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 | 38 |
| Student (economically inactive) | 33 |
| Full-Time Student (with or without job) | 31 |
| Part-Time Employee | 20 |
| Unemployed | 13 |
| Retired | 12 |
| Long-Term Sick or disabled | 11 |
| Other | 10 |
| Self-Employed | 6 |
| Looking after home or family | 0 |
| Accommodation and food service activities | 28 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 19 |
| Other | 10 |
| Manufacturing | 9 |
| Education | 9 |
| Administrative and support service activities | 7 |
| Human health and social work activities | 7 |
| Construction | 5 |
| Professional, scientific and technical activities | 5 |
| Public administration and defence; compulsory social security | 5 |
| Financial and insurance activities | 4 |
| Information and communication | 4 |
| 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 | |
|---|---|---|---|---|---|---|
| St Helen's Primary School Vincent Street , SA1 3TY | - not rated | 502 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Terrace Road Primary School Terrace Road , Mount Pleasant SA1 6JD | - not rated | 560 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ffynone House School Trust 36 St James's Crescent , Uplands SA1 6DR | - not rated | 687 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Christchurch (C.I.W.) Voluntary Aided Primary School Rodney Street , SA1 3UA | - not rated | 699 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Sea View Community Primary School Creidiol Road , Mayhill SA1 6TX | - not rated | 729 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 |
|---|---|---|---|
| No. 12 Kitchen Ltd | 12 Dillwyn Street | 1 yd | |
| Banana Leaf | 7 St Helens Road | 34 yd | |
| Desi Swaag | 2 The Kingsway | 68 yd | |
| Bouchon De Rossi | 217 Oxford Street | 74 yd | |
| No 1 Dimsum & Noodles | 8 Dillwyn Street | 76 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Sin City | 14-15 Dillwyn Street | 1 yd | |
| The Builders | 38-39 Oxford Street | 73 yd | |
| The New Wyndham | 3 Wyndham Street | 122 yd | |
| The Potters Wheel | The Potters Wheel, 85-86 The Kingsway | 125 yd | |
| Ty Tawe | 9 Christina Street | 183 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Roma Pizza & Kebab House | 22 Dillwyn Street | 1 yd | |
| Muswanna | 13 Dillwyn Street | 31 yd | |
| Oasis | 8 St Helens Road | 34 yd | |
| Topolis Pizza and Kebab House | 5 St Helens Road | 34 yd | |
| Favourite Chicken | 9 St Helens Road | 34 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Co-op | 127 Walter Road | 408 yd | |
| Tesco | Tesco Stores Ltd, Albert Row | 559 yd | |
| Iceland Foods PLC | Unit 1a, St Davids Square | 561 yd | |
| Castle Square Convenience Store Ltd | 10-11 Caer Street | 598 yd | |
| Aldi Stores Ltd | Unit 1 Parc Tawe | 1,015 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 | 90.9% |
| Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband | 90.9% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 90.9% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 90.9% |
| 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 | 160 Mbit/s |
| Average download speed | 208 Mbit/s |
| Minimum download speed | 500 Mbit/s |
| Maximum download speed | 500 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 23 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.