Mark Street is in Cardiff and in Cardiff district. CF11 6LL is located in the Riverside electoral ward, within the English Parliamentary constituency of Cardiff West. This postcode has been in use since 1999-06-01.
StreetScan combines information about Mark Street, Cardiff, CF11 6LL and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF11 6LY, CF11 6LJ, CF11 6LG, CF11 6LN, CF11 6LH, CF11 6LU, CF11 9BJ, CF11 6LW, CF11 6LT.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding CF11 6LL is primarily male, with 58.7% 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 | 45% | 41.3% | -3.7% | 51.0% | -9.7% |
| Male | 55% | 58.7% | 3.7% | 49.0% | 9.7% |
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 CF11 6LL, a significant portion of the population is single, making up 54.6% 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 | 52.2% | 54.6% | 2.4% | 37.9% | 16.7% |
| Married: Opposite sex | 33.9% | 29.5% | -4.4% | 44.2% | -14.7% |
| Separated | 1.6% | 4.4% | 2.8% | 2.2% | 2.2% |
| Divorced | 6.1% | 7.2% | 1.1% | 9.1% | -1.9% |
| Widowed | 6.1% | 4.4% | -1.7% | 6.1% | -1.7% |
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 | 44.3% | 41% | -3.3% | 48.4% | -7.4% |
| Good health | 37.5% | 37.8% | 0.3% | 33.6% | 4.2% |
| Fair health | 13.4% | 16.6% | 3.2% | 12.7% | 3.9% |
| Bad health | 4.1% | 4.2% | 0.1% | 4.0% | 0.2% |
| Very bad health | 0.7% | 0.4% | -0.3% | 1.2% | -0.8% |
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 45.6%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 25.7% | 20% | -5.7% | 18.2% | 1.8% |
| 1-4 GCSEs or Equivalent | 7.3% | 4% | -3.3% | 9.6% | -5.6% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 10.6% | 12% | 1.4% | 13.4% | -1.4% |
| Apprenticeship | 2% | 2.8% | 0.8% | 5.3% | -2.5% |
| HNC, HND or 2+ A Levels | 12.2% | 14% | 1.8% | 16.9% | -2.9% |
| Degree or Similar | 33.5% | 45.6% | 12.1% | 33.8% | 11.8% |
| Other | 8.6% | 1.6% | -7.0% | 2.8% | -1.2% |
In this area, the population is more ethnically diverse compared to the UK average. While 62.5% 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 | 0.3% | 2.5% | 2.2% | 1.1% | 1.4% |
| Chinese | 4.8% | 1.8% | -3.0% | 0.7% | 1.1% |
| Indian | 7.2% | 3.5% | -3.7% | 3.1% | 0.4% |
| Pakistani | 8.2% | 17.5% | 9.3% | 2.7% | 14.8% |
| Other Asian | 3.1% | 4.2% | 1.1% | 1.6% | 2.6% |
| Black African | 0% | 3.9% | 3.9% | 2.5% | 1.4% |
| Black Caribbean | 1.4% | 0.4% | -1.0% | 1.0% | -0.6% |
| Other Black | 1.7% | 0% | -1.7% | 0.5% | -0.5% |
| Mixed White and Asian | 0.7% | 0.4% | -0.3% | 0.8% | -0.4% |
| Mixed White and African | 0.3% | 0.7% | 0.4% | 0.4% | 0.3% |
| Mixed White and Caribbean | 0% | 0.4% | 0.4% | 0.9% | -0.5% |
| Mixed Other | 0.7% | 0.7% | 0.0% | 0.8% | -0.1% |
| White | 68% | 62.5% | -5.5% | 81.4% | -18.9% |
| Roma | 0% | 0.7% | 0.7% | 0.2% | 0.5% |
| Arab | 2.7% | 0.4% | -2.3% | 0.6% | -0.2% |
| Other | 0.7% | 0.7% | 0.0% | 1.6% | -0.9% |
In this area, 69.6% 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 | 67.7% | 69.6% | 1.9% | 83.2% | -13.6% |
| European Union | 11.7% | 12.9% | 1.2% | 6.1% | 6.8% |
| Rest of Europe | 0.3% | 0% | -0.3% | 0.8% | -0.8% |
| Africa | 3.1% | 2.8% | -0.3% | 2.7% | 0.1% |
| Middle East and Asia | 15.5% | 12.2% | -3.3% | 5.6% | 6.6% |
| The Americas and the Caribbean | 1.7% | 2.4% | 0.7% | 1.3% | 1.1% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 66.7% | 69.8% | 3.1% | 83.2% | -13.4% |
| 10+ Years | 8.6% | 15.1% | 6.5% | 9.8% | 5.3% |
| 5-10 Years | 6.9% | 6% | -0.9% | 2.9% | 3.1% |
| 2-5 Years | 2.4% | 4.6% | 2.2% | 2.2% | 2.4% |
| Less than 2 years | 15.5% | 4.6% | -10.9% | 1.9% | 2.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 74.9% | 76.7% | -1.8% |
| Ireland | 1% | 0.6% | 0.4% |
| France | 0.7% | 0.3% | 0.4% |
| Italy | 1.4% | 0.6% | 0.8% |
| Portugal | 0.7% | 0.5% | 0.2% |
| Spain | 1.4% | 0.4% | 1.0% |
| Poland | 1.7% | 1.3% | 0.4% |
| Romania | 0.3% | 0.9% | -0.6% |
| Other EU countries | 4.5% | 1.5% | 3.0% |
| Southern Asia | 4.2% | 1.2% | 3.0% |
| North America and the Caribbean | 0.7% | 0.3% | 0.4% |
| Central and South America | 0.3% | 0.2% | 0.1% |
| No passport held | 8% | 13.5% | -5.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 38.6% | 37.2% | 1.4% |
| Christian | 21.1% | 46.2% | -25.1% |
| Buddhist | 1.8% | 0.5% | 1.3% |
| Hindu | 3.9% | 1.7% | 2.2% |
| Muslim | 24.6% | 6.5% | 18.1% |
| Sikh | 0.4% | 0.9% | -0.5% |
| Other religion | 2.5% | 0.6% | 1.9% |
| Not answered | 7.4% | 6.0% | 1.4% |
Over the last 12 months, the overall crime rate around Mark Street was 63.8 per 1,000 residents, which is 61.2% lower than the Riverside average. The most reported crime type was Violence and sexual offences.
Mark Street has the 11th lowest crime rate of 43 local areas in Riverside and the 513th lowest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 19.9 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has risen by about 156.7%.

Households in this area have a much lower level of wealth compared to the average household in England and Wales. 92% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 29 Mark Street, Cardiff, Cardiff Terraced, an established residential building | £256,000 | 2024-04-22 | £267,719 |
| 9 Mark Street, Cardiff, Cardiff Terraced, an established residential building | £295,000 | 2024-03-11 | £310,717 |
| 28 Mark Street, Cardiff, Cardiff Terraced, an established residential building | £240,000 | 2023-09-18 | £248,459 |
| 5 Mark Street, Cardiff, Cardiff Terraced, an established residential building | £361,000 | 2022-10-10 | £369,629 |
| 4 Mark Street, Cardiff, Cardiff Terraced, an established residential building | £350,000 | 2022-09-14 | £363,802 |
The percentage of student residents living in CF11 6LL 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 | 85 |
| Part-Time Employee | 37 |
| Retired | 31 |
| Self-Employed | 21 |
| Looking after home or family | 19 |
| Full-Time Student (with or without job) | 14 |
| Unemployed | 13 |
| Student (economically inactive) | 12 |
| Long-Term Sick or disabled | 10 |
| Other | 7 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 27 |
| Human health and social work activities | 16 |
| Other | 13 |
| Accommodation and food service activities | 12 |
| Professional, scientific and technical activities | 11 |
| Public administration and defence; compulsory social security | 9 |
| Information and communication | 8 |
| Construction | 8 |
| Manufacturing | 7 |
| Transport and storage | 7 |
| Administrative and support service activities | 6 |
| Education | 6 |
| Financial and insurance activities | 5 |
| Real estate activities | 3 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Mary's R.C. Primary School Wyndham Crescent , Canton CF11 9EF | - not rated | 859 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Kitchener Primary School Kitchener Road , Canton CF11 6HT | - not rated | 930 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Patrick's R.C. Primary School Lucknow Street , Grangetown CF11 6NA | - not rated | 1,300 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Mary The Virgin C.I.W. Primary School North Church Street , Butetown CF10 5HB | - not rated | 1,416 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ninian Park Primary School Virgil Street , Grangetown CF11 8TF | - not rated | 1,452 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 |
|---|---|---|---|
| Maruti Restaurant and Grocery Limited | 53 - 59 Lower Cathedral Road, Riverside | 175 yd | |
| Pettigrew Tea Rooms | West Lodge Castle Street, Cathays | 214 yd | |
| Slimming World Consultant | 25A Neville Street, Riverside | 273 yd | |
| Cegin Cafe | Transport House, 1 Cathedral Road, Pontcanna | 278 yd | |
| Wales World Cafe | 7 Neville Street, Riverside | 330 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Mad Dog Brewery Co | 17 - 19 Castle Street, Cathays | 398 yd | |
| The Gate Keeper | The Gatekeeper, 9 Westgate Street, Cathays | 400 yd | |
| Elevens Bar & Grill | 15 Castle Street, Cathays | 419 yd | |
| Tiny Rebel | Tiny Rebel, 25 Westgate Street, Cathays | 431 yd | |
| Fuel Rock Club Ltd | Unit 5, The Grand Womanby Street, Cathays | 446 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Riverside premier | 61 - 63 Lower Cathedral Road, Riverside | 179 yd | |
| Lucky House | 56 Lower Cathedral Road, Riverside | 179 yd | |
| Rocket Joes Pizza | 6 Neville Street, Riverside | 409 yd | |
| Laziza Take-Away | 66 Tudor Street, Riverside | 416 yd | |
| Mr Kebab & Pizza | 56 Tudor Street, Riverside | 419 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Zaeka Ltd | 36 - 38 Tudor Street, Riverside | 440 yd | |
| Eastern Chinese Supermarket | 26 Tudor Street, Riverside | 452 yd | |
| Sainsbury's | Sainsbury Supermarkets Ltd, 114 St Mary Street, Cathays | 567 yd | |
| Tesco Stores Ltd | Ground Floor Commercial Unit 4, Bbc Building Central Square, Cathays | 716 yd | |
| Tesco | 26 - 27 St Mary Street, Cathays | 720 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% |
| Median download speed | 100 Mbit/s |
| Average download speed | 134.6 Mbit/s |
| Minimum download speed | 350 Mbit/s |
| Maximum download speed | 350 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 16.6 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.