Loudoun Square is in Cardiff and in Cardiff district. CF10 5JA 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 Loudoun Square, Cardiff, CF10 5JA and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF10 5FE, CF10 5JD, CF10 5JT, CF10 5HW, CF10 5HR, CF10 5FS, CF10 5HP, CF10 5JW, CF10 5HL.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding CF10 5JA is primarily male, with 55.6% 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 | 46.2% | 44.4% | -1.8% | 51.0% | -6.6% |
| Male | 53.8% | 55.6% | 1.8% | 49.0% | 6.6% |
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 5JA, a significant portion of the population is single, making up 54.7% 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 | 43.8% | 54.7% | 10.9% | 37.9% | 16.8% |
| Married: Opposite sex | 36.5% | 32% | -4.5% | 44.2% | -12.2% |
| Separated | 5.4% | 2% | -3.4% | 2.2% | -0.2% |
| Divorced | 9.2% | 7.4% | -1.8% | 9.1% | -1.7% |
| Widowed | 5.1% | 3.8% | -1.3% | 6.1% | -2.3% |
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 | 56.2% | 58.1% | 1.9% | 48.4% | 9.7% |
| Good health | 25% | 26.3% | 1.3% | 33.6% | -7.3% |
| Fair health | 11% | 9.3% | -1.7% | 12.7% | -3.4% |
| Bad health | 6.5% | 5.4% | -1.1% | 4.0% | 1.4% |
| Very bad health | 1.4% | 0.9% | -0.5% | 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 CF10 5JA this area, 29% of residents have no qualifications. This is significantly higher than the UK average of 18.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 30.5% | 29% | -1.5% | 18.2% | 10.8% |
| 1-4 GCSEs or Equivalent | 14.9% | 9.2% | -5.7% | 9.6% | -0.4% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 12.7% | 9.2% | -3.5% | 13.4% | -4.2% |
| Apprenticeship | 2.2% | 3.1% | 0.9% | 5.3% | -2.2% |
| HNC, HND or 2+ A Levels | 6.2% | 13.8% | 7.6% | 16.9% | -3.1% |
| Degree or Similar | 23% | 32.6% | 9.6% | 33.8% | -1.2% |
| Other | 10.5% | 3.1% | -7.4% | 2.8% | 0.3% |
In this area, the population is more ethnically diverse compared to the UK average. While 23.5% 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 | 9.6% | 8.1% | -1.5% | 1.1% | 7.0% |
| Chinese | 1.4% | 0% | -1.4% | 0.7% | -0.7% |
| Indian | 2% | 1.7% | -0.3% | 3.1% | -1.4% |
| Pakistani | 2.4% | 3.9% | 1.5% | 2.7% | 1.2% |
| Other Asian | 2.8% | 2.8% | 0.0% | 1.6% | 1.2% |
| Black African | 16.7% | 23.7% | 7.0% | 2.5% | 21.2% |
| Black Caribbean | 1% | 0.7% | -0.3% | 1.0% | -0.3% |
| Other Black | 12% | 3.5% | -8.5% | 0.5% | 3.0% |
| Mixed White and Asian | 2.2% | 0.9% | -1.3% | 0.8% | 0.1% |
| Mixed White and African | 1.6% | 1.5% | -0.1% | 0.4% | 1.1% |
| Mixed White and Caribbean | 3.1% | 1.1% | -2.0% | 0.9% | 0.2% |
| Mixed Other | 3.9% | 1.5% | -2.4% | 0.8% | 0.7% |
| White | 27.5% | 23.5% | -4.0% | 81.4% | -57.9% |
| Roma | 0% | 0.4% | 0.4% | 0.2% | 0.2% |
| Arab | 12.8% | 22% | 9.2% | 0.6% | 21.4% |
| Other | 1.2% | 4.8% | 3.6% | 1.6% | 3.2% |
In this area, 54.9% 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 | 57.2% | 54.9% | -2.3% | 83.2% | -28.3% |
| European Union | 3.5% | 6.3% | 2.8% | 6.1% | 0.2% |
| Rest of Europe | 1.4% | 0.6% | -0.8% | 0.8% | -0.2% |
| Africa | 15.5% | 17.2% | 1.7% | 2.7% | 14.5% |
| Middle East and Asia | 21.8% | 20.1% | -1.7% | 5.6% | 14.5% |
| The Americas and the Caribbean | 0.4% | 0.9% | 0.5% | 1.3% | -0.4% |
| Oceania | 0.2% | 0% | -0.2% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 57% | 55% | -2.0% | 83.2% | -28.2% |
| 10+ Years | 5.7% | 32.6% | 26.9% | 9.8% | 22.8% |
| 5-10 Years | 8.8% | 7.6% | -1.2% | 2.9% | 4.7% |
| 2-5 Years | 11.8% | 2.6% | -9.2% | 2.2% | 0.4% |
| Less than 2 years | 16.7% | 2.2% | -14.5% | 1.9% | 0.3% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 84.4% | 76.7% | 7.7% |
| France | 0.2% | 0.3% | -0.1% |
| Germany | 0.2% | 0.2% | 0.0% |
| Italy | 0.7% | 0.6% | 0.1% |
| Portugal | 0.7% | 0.5% | 0.2% |
| Poland | 0.6% | 1.3% | -0.7% |
| Other EU countries | 3% | 1.5% | 1.5% |
| North Africa | 0.7% | 0.1% | 0.6% |
| Central and Western Africa | 0.4% | 0.3% | 0.1% |
| South and Eastern Africa | 0.2% | 0.2% | 0.0% |
| Middle East | 0.7% | 0.1% | 0.6% |
| Southern Asia | 1.3% | 1.2% | 0.1% |
| North America and the Caribbean | 0.4% | 0.3% | 0.1% |
| Central and South America | 0.2% | 0.2% | 0.0% |
| No passport held | 6.3% | 13.5% | -7.2% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 15.7% | 37.2% | -21.5% |
| Christian | 13.5% | 46.2% | -32.7% |
| Hindu | 0.4% | 1.7% | -1.3% |
| Muslim | 64.7% | 6.5% | 58.2% |
| Sikh | 0.2% | 0.9% | -0.7% |
| Not answered | 5.5% | 6.0% | -0.5% |
Over the last 12 months, the overall crime rate around Loudoun Square was 106.5 per 1,000 residents, which is 57.4% lower than the Butetown average. The most reported crime type was Violence and sexual offences.
Loudoun Square has the 21st lowest crime rate of 45 local areas in Butetown and the 336th highest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 45.4 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -13.3%.

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 |
|---|---|---|---|
| St. Pauls Methodist Church Loudoun Square, Cardiff, Cardiff Other, an established residential building | £155,000 | 2023-08-31 | £156,422 |
| 14 Loudoun Square, Cardiff, Cardiff Terraced, an established residential building | £119,000 | 2008-01-03 | £205,946 |
| 14 Loudoun Square, Cardiff, Cardiff Terraced, an established residential building | £119,000 | 2004-11-24 | £229,086 |
| 19A Loudoun Square, Cardiff, Cardiff Terraced, an established residential building | £66,000 | 2004-08-27 | £133,559 |
| 7 Loudoun Square, Cardiff, Cardiff Terraced, an established residential building | £90,000 | 2004-07-30 | £185,783 |
The percentage of student residents living in CF10 5JA 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 | 101 |
| Student (economically inactive) | 53 |
| Part-Time Employee | 49 |
| Looking after home or family | 41 |
| Other | 37 |
| Self-Employed | 30 |
| Unemployed | 23 |
| Retired | 23 |
| Long-Term Sick or disabled | 22 |
| Full-Time Student (with or without job) | 9 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 29 |
| Accommodation and food service activities | 28 |
| Human health and social work activities | 15 |
| Financial and insurance activities | 14 |
| Manufacturing | 13 |
| Administrative and support service activities | 13 |
| Public administration and defence; compulsory social security | 11 |
| Transport and storage | 11 |
| Education | 10 |
| Other | 10 |
| Information and communication | 8 |
| Construction | 7 |
| Professional, scientific and technical activities | 5 |
| Electricity, gas, steam and air conditioning supply | 4 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Cuthbert's R.C. Primary School Letton Way , Cardiff Bay CF10 4AB | - not rated | 449 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 | 450 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Mount Stuart Primary Adelaide Street , Butetown CF10 5BS | - not rated | 866 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Grange Town Primary Bromsgrove Street , Grangetown CF11 7XS | - not rated | 939 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Gynradd Gymraeg Hamadryad Hamadryad Road , CF10 5UY | - not rated | 978 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 |
|---|---|---|---|
| Butetown Community Centre | Butetown Community Centre Loudoun Square, Butetown | 63 yd | |
| Togayo Cafe | 201 Bute Street, Butetown | 161 yd | |
| Raymonds Fish & Chips | Raymonds Fish & Chips, 209 Bute Street, Butetown | 182 yd | |
| Kingdom of Sheba | Betting Office, 188 Bute Street, Butetown | 198 yd | |
| CF10 Retail - Dumballs Road Canteen | 2 Dumballs Road, Butetown | 250 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Depot | The Depot Warehouse Williams Way, Butetown | 583 yd | |
| Docks Conservative Club | Docks Conservative Club Burt Street, Butetown | 716 yd | |
| Eli Jenkins | 7 - 8 Bute Crescent, Butetown | 822 yd | |
| Glee Club | The Glee Club, Mermaid Quay Stuart Street, Butetown | 884 yd | |
| The Golden Cross | Golden Cross Hayes Bridge Road, Cathays | 917 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Carlos Pizza | 20 West Bute Street, Butetown | 648 yd | |
| Domino's Pizza | Unit 17a, Mermaid Quay Bute Street, Butetown | 808 yd | |
| Grange Fish Bar | 105 Corporation Road, Grangetown | 815 yd | |
| Boss & Brew Academy | The Wales Millennium Centre Bute Place, Butetown | 858 yd | |
| Greggs Plc | Unit 21, Mermaid Quay Bute Street, Butetown | 877 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Sainsbury's | Shop, Embassy House, 96 Bute Street, Butetown | 764 yd | |
| Tesco | Unit 17, Mermaid Quay Bute Street, Butetown | 816 yd | |
| Marks & Spencer Simply Food | M&s Simply Food Central Square, Cathays | 994 yd | |
| The Co-operative Group | Unit 2, Aquila House Pierhead Street, Butetown | 1,009 yd | |
| Tesco Express | Street Record Tredegar Street, Cathays | 1,041 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 | 95.7% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 95.7% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 95.7% |
| 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 | 39.9 Mbit/s |
| Average download speed | 43.2 Mbit/s |
| Minimum download speed | 80 Mbit/s |
| Maximum download speed | 80 Mbit/s |
| Median upload speed | 9.6 Mbit/s |
| Average upload speed | 11.1 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.