Aspen Close is in St Mellons, Cardiff and in Cardiff district. CF3 0BT is located in the Trowbridge electoral ward, within the English Parliamentary constituency of Cardiff South and Penarth. This postcode has been in use since 1981-09-01.
StreetScan combines information about Aspen Close, St Mellons, Cardiff, CF3 0BT and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF3 0DB, CF3 0BU, CF3 0DF, CF3 0BZ, CF3 0BS, CF3 0DA, CF3 0BX, CF3 5AA, CF3 0DD.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF3 0BT is generally consistent with those figures, having a male population of 48.7%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 52.9% | 51.3% | -1.6% | 51.0% | 0.3% |
| Male | 47.1% | 48.7% | 1.6% | 49.0% | -0.3% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
In the immediate vicinity of CF3 0BT there is a very large concentration of residents that are married - 56.9% of the resident population. In contrast, the average marriage rate across the census is about 44%.
Areas with a high percentage of married residents are typically suburban neighborhoods, towns with good schools and family-friendly amenities, and regions with affordable, spacious housing options. Additionally, such areas can be popular among retirees.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 35% | 29.2% | -5.8% | 37.9% | -8.7% |
| Married: Opposite sex | 50.2% | 56.9% | 6.7% | 44.2% | 12.7% |
| Separated | 1.8% | 0.8% | -1.0% | 2.2% | -1.4% |
| Divorced | 6% | 8.1% | 2.1% | 9.1% | -1.0% |
| Widowed | 6.9% | 5% | -1.9% | 6.1% | -1.1% |
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 | 44.8% | 46.3% | 1.5% | 48.4% | -2.1% |
| Good health | 33% | 34.2% | 1.2% | 33.6% | 0.6% |
| Fair health | 12.6% | 11.5% | -1.1% | 12.7% | -1.2% |
| Bad health | 8% | 6.1% | -1.9% | 4.0% | 2.1% |
| Very bad health | 1.5% | 1.9% | 0.4% | 1.2% | 0.7% |
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 | 25.8% | 20.2% | -5.6% | 18.2% | 2.0% |
| 1-4 GCSEs or Equivalent | 15.7% | 8% | -7.7% | 9.6% | -1.6% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 16.6% | 17.6% | 1.0% | 13.4% | 4.2% |
| Apprenticeship | 3.7% | 6.1% | 2.4% | 5.3% | 0.8% |
| HNC, HND or 2+ A Levels | 11.5% | 13% | 1.5% | 16.9% | -3.9% |
| Degree or Similar | 22.1% | 35.1% | 13.0% | 33.8% | 1.3% |
| Other | 4.6% | 0% | -4.6% | 2.8% | -2.8% |
This area closely mirrors the overall ethnic composition of the UK, with 76% of the population identifying as white, with UK average of 81.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Chinese | 1.9% | 1.9% | 0.0% | 0.7% | 1.2% |
| Indian | 1.9% | 6.1% | 4.2% | 3.1% | 3.0% |
| Pakistani | 1.1% | 1.3% | 0.2% | 2.7% | -1.4% |
| Other Asian | 0.4% | 1.9% | 1.5% | 1.6% | 0.3% |
| Black African | 0% | 1.6% | 1.6% | 2.5% | -0.9% |
| Mixed White and Asian | 0.8% | 2.2% | 1.4% | 0.8% | 1.4% |
| Mixed White and Caribbean | 0.4% | 0.6% | 0.2% | 0.9% | -0.3% |
| Mixed Other | 0.4% | 1.9% | 1.5% | 0.8% | 1.1% |
| White | 92.3% | 76% | -16.3% | 81.4% | -5.4% |
| Arab | 0.8% | 3.5% | 2.7% | 0.6% | 2.9% |
| Other | 0% | 2.9% | 2.9% | 1.6% | 1.3% |
In this area, 82.5% of the population were born in the United Kingdom, which is similar to the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 91.6% | 82.5% | -9.1% | 83.2% | -0.7% |
| European Union | 1.9% | 4.5% | 2.6% | 6.1% | -1.6% |
| Rest of Europe | 0% | 0.3% | 0.3% | 0.8% | -0.5% |
| Africa | 0.8% | 3.2% | 2.4% | 2.7% | 0.5% |
| Middle East and Asia | 5% | 9.6% | 4.6% | 5.6% | 4.0% |
| The Americas and the Caribbean | 0.8% | 0% | -0.8% | 1.3% | -1.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 91.6% | 82.5% | -9.1% | 83.2% | -0.7% |
| 10+ Years | 0.4% | 14.6% | 14.2% | 9.8% | 4.8% |
| 5-10 Years | 1.1% | 1.6% | 0.5% | 2.9% | -1.3% |
| 2-5 Years | 1.9% | 1% | -0.9% | 2.2% | -1.2% |
| Less than 2 years | 5% | 0.3% | -4.7% | 1.9% | -1.6% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 82.8% | 76.7% | 6.1% |
| France | 0.3% | 0.3% | 0.0% |
| Italy | 1% | 0.6% | 0.4% |
| Poland | 1.9% | 1.3% | 0.6% |
| Other EU countries | 1% | 1.5% | -0.5% |
| Turkey | 0.3% | 0.1% | 0.2% |
| Southern Asia | 1% | 1.2% | -0.2% |
| South-East Asia | 0.3% | 0.2% | 0.1% |
| Oceania | 0.6% | 0.1% | 0.5% |
| No passport held | 10.8% | 13.5% | -2.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 34.5% | 37.2% | -2.7% |
| Christian | 47.5% | 46.2% | 1.3% |
| Hindu | 6% | 1.7% | 4.3% |
| Muslim | 7.3% | 6.5% | 0.8% |
| Not answered | 4.7% | 6.0% | -1.3% |
Over the last 12 months, the overall crime rate around Aspen Close was 70.2 per 1,000 residents, which is 10.6% lower than the Pontprennau and Old St Mellons average. The most reported crime type was Violence and sexual offences.
Aspen Close has the 30th lowest crime rate of 66 local areas in Pontprennau and Old St Mellons and the 487th highest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 43.9 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -72.3%.

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 |
|---|---|---|---|
| 19 Aspen Close, Cardiff, Cardiff Semi-Detached, an established residential building | £116,000 | 2023-06-30 | £121,930 |
| 2 Aspen Close, Cardiff, Cardiff Semi-Detached, an established residential building | £150,000 | 2022-09-14 | £156,707 |
| 1 Aspen Close, Cardiff, Cardiff Semi-Detached, an established residential building | £139,000 | 2021-12-21 | £158,945 |
| 17 Aspen Close, Cardiff, Cardiff Semi-Detached, an established residential building | £125,000 | 2014-08-26 | £204,618 |
| 8 Aspen Close, Cardiff, Cardiff Semi-Detached, an established residential building | £171,000 | 2013-06-21 | £314,469 |
CF3 0BT 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.
| Full-Time Employee | 86 |
| Retired | 64 |
| Self-Employed | 29 |
| Part-Time Employee | 27 |
| Long-Term Sick or disabled | 12 |
| Looking after home or family | 11 |
| Student (economically inactive) | 10 |
| Other | 8 |
| Unemployed | 7 |
| Full-Time Student (with or without job) | 7 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 28 |
| Human health and social work activities | 14 |
| Education | 13 |
| Manufacturing | 9 |
| Construction | 9 |
| Transport and storage | 8 |
| Public administration and defence; compulsory social security | 8 |
| Administrative and support service activities | 7 |
| Accommodation and food service activities | 6 |
| Electricity, gas, steam and air conditioning supply | 6 |
| Information and communication | 5 |
| Professional, scientific and technical activities | 4 |
| Financial and insurance activities | 3 |
| Other | 2 |
| Real estate activities | 2 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Johns College Newport Road , College Green CF3 5YX | - not rated | 340 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Oakfield Primary School Ferntree Drive , St Mellon's CF3 0AA | - not rated | 358 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Bishop Childs C.I.W. Primary School Willowbrook Drive , St Mellon's CF3 0AY | - not rated | 362 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Mellons C.I.W. Primary School Dunster Road , Llanrumney CF3 5TP | - not rated | 910 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Pen-Y-Bryn Primary School Dunster Road , Llanrumney CF3 5TP | - not rated | 972 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 |
|---|---|---|---|
| Tubbs Cafe | St Mellons Hub Crickhowell Road, Trowbridge | 468 yd | |
| Cleverchefs - Contract Catering | St Johns College William Nicholls Drive, Old St Mellons | 471 yd | |
| MILK AND SUGAR | Building 3, Eastern Business Park Wern Fawr Lane, Old St Mellons | 520 yd | |
| Cardiff Garden Centre Restaurant | Wyevale Garden Centre Newport Road, Trowbridge | 973 yd | |
| Botanic Kitchen Wyevale | Cardiff A, Wyevale Garden Centre Newport Road, Trowbridge | 973 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Church Inn | The Church Inn Newport Road, Old St Mellons | 512 yd | |
| Marcus @ The Church Inn | The Church Inn Newport Road, Old St Mellons | 512 yd | |
| Ty'r Winch | The Coach House Ty'r Winch Road, Old St Mellons | 545 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Triple Crown Takeaway | 3 Crickhowell Walk, Trowbridge | 317 yd | |
| Crispy Cod | 950 Newport Road, Old St Mellons | 538 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Tesco | Unit 2 Ground Floor, St Mellons District Shopping Centre Crickhowell Road, Trowbridge | 330 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 | 134.8 Mbit/s |
| Minimum download speed | 350 Mbit/s |
| Maximum download speed | 350 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 17.3 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.