Pen Y Cefn is in Thornhill, Cardiff and in Cardiff district. CF14 9AB is located in the Lisvane and Thornhill electoral ward, within the English Parliamentary constituency of Cardiff North. This postcode has been in use since 1999-06-01.
StreetScan combines information about Pen Y Cefn, Thornhill, Cardiff, CF14 9AB and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF14 9AA, CF14 9AE, CF14 9FA, CF14 9AG, CF14 9AD, CF14 9AU, CF14 9FF, CF14 9FL, CF14 9AF.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF14 9AB is generally consistent with those figures, having a male population of 49.1%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 48.8% | 50.9% | 2.1% | 51.0% | -0.1% |
| Male | 51.2% | 49.1% | -2.1% | 49.0% | 0.1% |
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 CF14 9AB there is a very large concentration of residents that are married - 64.7% 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 | 25.9% | 24.6% | -1.3% | 37.9% | -13.3% |
| Married: Opposite sex | 63.2% | 64.7% | 1.5% | 44.2% | 20.5% |
| Separated | 0.8% | 0.4% | -0.4% | 2.2% | -1.8% |
| Divorced | 7.1% | 5.6% | -1.5% | 9.1% | -3.5% |
| Widowed | 2.9% | 4.7% | 1.8% | 6.1% | -1.4% |
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.
This area has a high percentage of residents reporting their health as Good or Very Good (86.4%) compared to the average (82%). This typically indicates either a younger population or more affluent area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 60.4% | 55.5% | -4.9% | 48.4% | 7.1% |
| Good health | 26.4% | 30.9% | 4.5% | 33.6% | -2.7% |
| Fair health | 11.9% | 9.8% | -2.1% | 12.7% | -2.9% |
| Bad health | 1% | 2.6% | 1.6% | 4.0% | -1.4% |
| Very bad health | 0.3% | 1.1% | 0.8% | 1.2% | -0.1% |
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 CF14 9AB this area, 7.3% of residents have no qualifications. This is significantly lower than the UK average of 18.2%. 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 59.7%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 10% | 7.3% | -2.7% | 18.2% | -10.9% |
| 1-4 GCSEs or Equivalent | 8.4% | 7.3% | -1.1% | 9.6% | -2.3% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.1% | 10.3% | -4.8% | 13.4% | -3.1% |
| Apprenticeship | 4.2% | 1.7% | -2.5% | 5.3% | -3.6% |
| HNC, HND or 2+ A Levels | 11.7% | 12% | 0.3% | 16.9% | -4.9% |
| Degree or Similar | 48.1% | 59.7% | 11.6% | 33.8% | 25.9% |
| Other | 2.5% | 1.7% | -0.8% | 2.8% | -1.1% |
In this area, the population is predominantly white, with 90.2% identifying as such, significantly higher than the UK average of 81.4%. This indicates a lower level of ethnic diversity compared to the broader UK population.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Chinese | 1.7% | 0.4% | -1.3% | 0.7% | -0.3% |
| Indian | 1.3% | 1.9% | 0.6% | 3.1% | -1.2% |
| Pakistani | 0% | 1.9% | 1.9% | 2.7% | -0.8% |
| Other Asian | 0.7% | 0% | -0.7% | 1.6% | -1.6% |
| Black African | 0% | 0.8% | 0.8% | 2.5% | -1.7% |
| Mixed White and Asian | 1% | 0.8% | -0.2% | 0.8% | 0.0% |
| Mixed White and African | 0% | 0.4% | 0.4% | 0.4% | 0.0% |
| Mixed White and Caribbean | 0.3% | 1.1% | 0.8% | 0.9% | 0.2% |
| White | 93.4% | 90.2% | -3.2% | 81.4% | 8.8% |
| Gypsy or Irish Traveller | 1.7% | 0% | -1.7% | 0.1% | -0.1% |
| Arab | 0% | 2.3% | 2.3% | 0.6% | 1.7% |
| Other | 0% | 0.4% | 0.4% | 1.6% | -1.2% |
In this area, 91.4% of the population were born in the United Kingdom, which is higher than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 96% | 91.4% | -4.6% | 83.2% | 8.2% |
| European Union | 1.7% | 0.4% | -1.3% | 6.1% | -5.7% |
| Africa | 0.3% | 3.4% | 3.1% | 2.7% | 0.7% |
| Middle East and Asia | 2% | 3% | 1.0% | 5.6% | -2.6% |
| Oceania | 0% | 1.9% | 1.9% | 0.3% | 1.6% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 96% | 91.4% | -4.6% | 83.2% | 8.2% |
| 10+ Years | 0% | 4.9% | 4.9% | 9.8% | -4.9% |
| 5-10 Years | 0% | 1.9% | 1.9% | 2.9% | -1.0% |
| 2-5 Years | 0.7% | 1.9% | 1.2% | 2.2% | -0.3% |
| Less than 2 years | 3.3% | 0% | -3.3% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 92.1% | 76.7% | 15.4% |
| Portugal | 0.4% | 0.5% | -0.1% |
| South and Eastern Africa | 1.1% | 0.2% | 0.9% |
| Oceania | 0.4% | 0.1% | 0.3% |
| No passport held | 6% | 13.5% | -7.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 38% | 37.2% | 0.8% |
| Christian | 47% | 46.2% | 0.8% |
| Buddhist | 0.4% | 0.5% | -0.1% |
| Hindu | 1.9% | 1.7% | 0.2% |
| Muslim | 4.1% | 6.5% | -2.4% |
| Not answered | 8.6% | 6.0% | 2.6% |
Over the last 12 months, the overall crime rate around Pen Y Cefn was 24.4 per 1,000 residents, which is 14.4% lower than the Lisvane and Thornhill average. The most reported crime type was Violence and sexual offences.
Pen Y Cefn has the 19th lowest crime rate of 37 local areas in Lisvane and Thornhill and the 213th lowest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 12.2 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -42.0%.

Households in this area have a slightly higher level of wealth to the average household in England and Wales. 65% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 14 Pen Y Cefn, Cardiff, Cardiff Semi-Detached, an established residential building | £390,000 | 2024-07-18 | £407,025 |
| 17 Pen Y Cefn, Cardiff, Cardiff Detached, an established residential building | £364,000 | 2022-10-21 | £373,109 |
| 10 Pen Y Cefn, Cardiff, Cardiff Semi-Detached, an established residential building | £321,000 | 2020-11-23 | £405,391 |
| 3 Pen Y Cefn, Cardiff, Cardiff Semi-Detached, an established residential building | £220,000 | 2018-10-05 | £295,248 |
| 14 Pen Y Cefn, Cardiff, Cardiff Semi-Detached, an established residential building | £302,500 | 2018-09-28 | £406,497 |
CF14 9AB area has a low unemployment rate. According to Census 2021, 2% 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 | 87 |
| Retired | 63 |
| Part-Time Employee | 28 |
| Self-Employed | 19 |
| Student (economically inactive) | 13 |
| Looking after home or family | 7 |
| Long-Term Sick or disabled | 5 |
| Unemployed | 4 |
| Full-Time Student (with or without job) | 3 |
| Other | 1 |
| Education | 29 |
| Human health and social work activities | 28 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 26 |
| Public administration and defence; compulsory social security | 19 |
| Professional, scientific and technical activities | 16 |
| Other | 12 |
| Financial and insurance activities | 9 |
| Accommodation and food service activities | 7 |
| Manufacturing | 7 |
| Administrative and support service activities | 7 |
| Information and communication | 6 |
| Construction | 6 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Transport and storage | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Llanishen Fach Primary School Heol Uchaf , Rhiwbina CF14 6SS | - not rated | 983 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Thornhill Primary School Heol Hir , Thornhill CF14 9UD | - not rated | 1,024 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol-Y-Wern Llangrannog Road , Llanishen CF14 5BL | - not rated | 1,029 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Llanishen High School Heol Hir , Llanishen CF14 5YL | - not rated | 1,596 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Greenhill Special School Heol Brynglas , Rhiwbina CF14 6UJ | - not rated | 1,836 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 |
|---|---|---|---|
| Miller & Carter Thornhill | Miller And Carter Thornhill Road, Lisvane | 598 yd | |
| Dusty's | 9 Llangranog Road, Llanishen | 921 yd | |
| Rogue Welsh Cake Cafe | 13 Llangranog Road, Llanishen | 923 yd | |
| Bethel Lunch Club | Bethel Church Bethel Place, Llanishen | 1,007 yd | |
| Ffynnon Wen | Ffynnon Wen Thornhill Road, Lisvane | 1,063 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Pendragon | The Pendragon Excalibur Drive, Thornhill | 259 yd | |
| Corky's | 11 Llangranog Road, Llanishen | 922 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Sainsbury's | Sainsbury's Excalibur Drive, Thornhill | 692 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 | 76.9 Mbit/s |
| Average download speed | 129.3 Mbit/s |
| Minimum download speed | 500 Mbit/s |
| Maximum download speed | 500 Mbit/s |
| Median upload speed | 19.8 Mbit/s |
| Average upload speed | 16.3 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.