John Street is in Cardiff and in Cardiff district. CF10 5SP is located in the Butetown electoral ward, within the English Parliamentary constituency of Cardiff South and Penarth. This postcode has been in use since 1999-06-01.
StreetScan combines information about John Street, Cardiff, CF10 5SP and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF10 5PE, CF10 4QL, CF10 2FP, CF10 2FQ, CF10 2FF, CF10 2FG, CF10 2FH, CF10 2FJ, CF10 4UP.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding CF10 5SP is primarily male, with 56.9% 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 | 42.9% | 43.1% | 0.2% | 51.0% | -7.9% |
| Male | 57.1% | 56.9% | -0.2% | 49.0% | 7.9% |
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 CF10 5SP, a significant portion of the population is single, making up 90.1% 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 | 58% | 90.1% | 32.1% | 37.9% | 52.2% |
| Married: Opposite sex | 23.5% | 5.6% | -17.9% | 44.2% | -38.6% |
| Married: Same sex | 0% | 0.1% | 0.1% | 0.3% | -0.2% |
| Separated | 2.3% | 0.6% | -1.7% | 2.2% | -1.6% |
| Divorced | 10.2% | 3.2% | -7.0% | 9.1% | -5.9% |
| Widowed | 6.1% | 0.4% | -5.7% | 6.1% | -5.7% |
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 | 43.2% | 49.9% | 6.7% | 48.4% | 1.5% |
| Good health | 25.2% | 31.8% | 6.6% | 33.6% | -1.8% |
| Fair health | 20.4% | 16.3% | -4.1% | 12.7% | 3.6% |
| Bad health | 8.4% | 1.5% | -6.9% | 4.0% | -2.5% |
| Very bad health | 2.7% | 0.6% | -2.1% | 1.2% | -0.6% |
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.
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 43.1%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 34.1% | 11.4% | -22.7% | 18.2% | -6.8% |
| 1-4 GCSEs or Equivalent | 13.6% | 2.3% | -11.3% | 9.6% | -7.3% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 16.7% | 6.9% | -9.8% | 13.4% | -6.5% |
| Apprenticeship | 0.4% | 2.7% | 2.3% | 5.3% | -2.6% |
| HNC, HND or 2+ A Levels | 11% | 29.7% | 18.7% | 16.9% | 12.8% |
| Degree or Similar | 16.7% | 43.1% | 26.4% | 33.8% | 9.3% |
| Other | 7.6% | 4% | -3.6% | 2.8% | 1.2% |
In this area, the population is more ethnically diverse compared to the UK average. While 53.7% 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 | 1.2% | 1.4% | 0.2% | 1.1% | 0.3% |
| Chinese | 0.9% | 9.2% | 8.3% | 0.7% | 8.5% |
| Indian | 0.3% | 10.8% | 10.5% | 3.1% | 7.7% |
| Pakistani | 2.7% | 1% | -1.7% | 2.7% | -1.7% |
| Other Asian | 0.6% | 2.4% | 1.8% | 1.6% | 0.8% |
| Black African | 15.6% | 5.1% | -10.5% | 2.5% | 2.6% |
| Black Caribbean | 1.5% | 1.1% | -0.4% | 1.0% | 0.1% |
| Other Black | 21% | 0.4% | -20.6% | 0.5% | -0.1% |
| Mixed White and Asian | 0% | 1% | 1.0% | 0.8% | 0.2% |
| Mixed White and African | 0% | 0.2% | 0.2% | 0.4% | -0.2% |
| Mixed White and Caribbean | 1.5% | 1.2% | -0.3% | 0.9% | 0.3% |
| Mixed Other | 0.3% | 1.1% | 0.8% | 0.8% | 0.3% |
| White | 41.1% | 53.7% | 12.6% | 81.4% | -27.7% |
| Gypsy or Irish Traveller | 0.6% | 0.1% | -0.5% | 0.1% | 0.0% |
| Roma | 0% | 0.5% | 0.5% | 0.2% | 0.3% |
| Arab | 9.6% | 6.7% | -2.9% | 0.6% | 6.1% |
| Other | 3% | 4% | 1.0% | 1.6% | 2.4% |
In this area, 54.6% 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 | 58.6% | 54.6% | -4.0% | 83.2% | -28.6% |
| European Union | 7.2% | 9.4% | 2.2% | 6.1% | 3.3% |
| Rest of Europe | 0% | 0.5% | 0.5% | 0.8% | -0.3% |
| Africa | 24.9% | 4.9% | -20.0% | 2.7% | 2.2% |
| Middle East and Asia | 7.8% | 28.3% | 20.5% | 5.6% | 22.7% |
| The Americas and the Caribbean | 1.2% | 1.9% | 0.7% | 1.3% | 0.6% |
| Oceania | 0.3% | 0.4% | 0.1% | 0.3% | 0.1% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 57.7% | 54.5% | -3.2% | 83.2% | -28.7% |
| 10+ Years | 3.9% | 7% | 3.1% | 9.8% | -2.8% |
| 5-10 Years | 2.1% | 3.6% | 1.5% | 2.9% | 0.7% |
| 2-5 Years | 17.4% | 3.8% | -13.6% | 2.2% | 1.6% |
| Less than 2 years | 18.9% | 31.1% | 12.2% | 1.9% | 29.2% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 53.9% | 76.7% | -22.8% |
| Ireland | 0.8% | 0.6% | 0.2% |
| France | 0.5% | 0.3% | 0.2% |
| Germany | 0.4% | 0.2% | 0.2% |
| Italy | 0.6% | 0.6% | 0.0% |
| Portugal | 1% | 0.5% | 0.5% |
| Spain | 0.5% | 0.4% | 0.1% |
| Poland | 0.9% | 1.3% | -0.4% |
| Romania | 1.3% | 0.9% | 0.4% |
| Other EU countries | 3.4% | 1.5% | 1.9% |
| Turkey | 0.3% | 0.1% | 0.2% |
| Other Europe | 0.3% | 0.2% | 0.1% |
| North Africa | 1% | 0.1% | 0.9% |
| Central and Western Africa | 1.3% | 0.3% | 1.0% |
| South and Eastern Africa | 0.5% | 0.2% | 0.3% |
| Middle East | 3.9% | 0.1% | 3.8% |
| Eastern Asia | 7.6% | 0.3% | 7.3% |
| Southern Asia | 8.9% | 1.2% | 7.7% |
| South-East Asia | 0.8% | 0.2% | 0.6% |
| North America and the Caribbean | 0.8% | 0.3% | 0.5% |
| No passport held | 11.8% | 13.5% | -1.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 49.7% | 37.2% | 12.5% |
| Christian | 18.1% | 46.2% | -28.1% |
| Buddhist | 0.9% | 0.5% | 0.4% |
| Hindu | 7.4% | 1.7% | 5.7% |
| Jewish | 0.1% | 0.5% | -0.4% |
| Muslim | 13% | 6.5% | 6.5% |
| Sikh | 0.8% | 0.9% | -0.1% |
| Other religion | 1.4% | 0.6% | 0.8% |
| Not answered | 8.6% | 6.0% | 2.6% |
Over the last 12 months, the overall crime rate around John Street was 946.6 per 1,000 residents, which is 278.8% higher than the Butetown average. The most reported crime type was Violence and sexual offences.
John Street has the 4th highest crime rate of 45 local areas in Butetown and the 10th highest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 408.0 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -16.5%.

Households in this area have a slightly lower level of wealth to the average household in England and Wales. 66% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| Welsh National Opera John Street, Cardiff, Cardiff Other, an established residential building | £350,000 | 2015-09-03 | £472,715 |
CF10 5SP 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.
The percentage of student residents living in CF10 5SP area is much higher than the country's average. Usually places with high percentage of students are near Universities and near entertainment places.
| Student (economically inactive) | 341 |
| Full-Time Student (with or without job) | 164 |
| Full-Time Employee | 104 |
| Other | 53 |
| Long-Term Sick or disabled | 35 |
| Self-Employed | 25 |
| Unemployed | 24 |
| Part-Time Employee | 23 |
| Retired | 13 |
| Looking after home or family | 3 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 17 |
| Accommodation and food service activities | 13 |
| Other | 10 |
| Human health and social work activities | 7 |
| Administrative and support service activities | 6 |
| Education | 5 |
| Electricity, gas, steam and air conditioning supply | 4 |
| Transport and storage | 4 |
| Information and communication | 4 |
| Public administration and defence; compulsory social security | 4 |
| Manufacturing | 3 |
| Professional, scientific and technical activities | 2 |
| Financial and insurance activities | 2 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Mary The Virgin C.I.W. Primary School North Church Street , Butetown CF10 5HB | - not rated | 319 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Cuthbert's R.C. Primary School Letton Way , Cardiff Bay CF10 4AB | - not rated | 685 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Kings Monkton School 6 West Grove , CF24 3XL | - not rated | 1,163 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Tredegarville C.I.W. Primary School Glossop Road , Roath CF24 0JT | - not rated | 1,172 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| ACT Schools Ocean Park House , East Tyndall Street CF24 5ET | - not rated | 1,186 yd | Welsh establishment | Not Applicable | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Premier Inn Cardiff City Centre (Stadium) | Custom House Street | 177 yd | |
| Salvation Army Hostel | Salvation Army Hostel, 240 Bute Street, Butetown | 196 yd | |
| Porter's | Porters Cardiff Llp Part Ground Floor, Harlech Court Bute Terrace, Cathays | 204 yd | |
| Benugo Ltd | John Lewis The Hayes, Cathays | 243 yd | |
| John Lewis (Cardiff) | John Lewis The Hayes, Cathays | 243 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Golden Cross | Golden Cross Hayes Bridge Road, Cathays | 196 yd | |
| Pitch | 3 Mill Lane, Cathays | 317 yd | |
| Ten Mill Lane | 10 - 11 Mill Lane, Cathays | 337 yd | |
| NQ64 | 60 - 62 St Mary Street, Cathays | 343 yd | |
| Great Western Lloyds Bar | 64 St Mary Street, Cathays | 349 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Albany Fish Bar | 29 Caroline Street, Cathays | 366 yd | |
| Food Studio | 36 Caroline Street, Cathays | 374 yd | |
| Tonys Fish bar | 41 - 42 Caroline Street, Cathays | 380 yd | |
| Greggs | 23 Caroline Street, Cathays | 382 yd | |
| CHIPPY LANE | 43 - 44 Caroline Street, Cathays | 383 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Tesco Express | Street Record Tredegar Street, Cathays | 276 yd | |
| Tesco Stores | Tesco Stores Limited, 59 The Hayes, Cathays | 293 yd | |
| Marks & Spencer Simply Food | M&s Simply Food Central Square, Cathays | 471 yd | |
| Tesco Stores Ltd | Ground Floor Commercial Unit 4, Bbc Building Central Square, Cathays | 537 yd | |
| Tesco | 26 - 27 St Mary Street, Cathays | 539 yd |
This statistics are based on Active Places Data - Contains Data © Sport England
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.