Clos Nant Ddu is in Pontprennau, Cardiff and in Cardiff district. CF23 8LF is located in the Pontprennau and Old St Mellons electoral ward, within the English Parliamentary constituency of Cardiff North. This postcode has been in use since 1999-06-01.
StreetScan combines information about Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF23 8LA, CF23 8LH, CF23 8LB, CF23 8LP, CF23 8LD, CF23 8LS, CF23 8PY, CF23 8LE, CF23 8RG.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF23 8LF is generally consistent with those figures, having a male population of 49.5%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 51.7% | 50.5% | -1.2% | 51.0% | -0.5% |
| Male | 48.3% | 49.5% | 1.2% | 49.0% | 0.5% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 39.5% | 41.2% | 1.7% | 37.9% | 3.3% |
| Married: Opposite sex | 47.7% | 43.6% | -4.1% | 44.2% | -0.6% |
| Married: Same sex | 0.6% | 0% | -0.6% | 0.3% | -0.3% |
| Civil partnership: Same sex | 0% | 0.5% | 0.5% | 0.1% | 0.4% |
| Separated | 1.7% | 2.4% | 0.7% | 2.2% | 0.2% |
| Divorced | 9% | 9.8% | 0.8% | 9.1% | 0.7% |
| Widowed | 1.4% | 2.4% | 1.0% | 6.1% | -3.7% |
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.
This area has a high percentage of residents reporting their health as Good or Very Good (91.1%) 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 | 61.8% | 61.8% | 0.0% | 48.4% | 13.4% |
| Good health | 31.8% | 29.3% | -2.5% | 33.6% | -4.3% |
| Fair health | 4.5% | 6.9% | 2.4% | 12.7% | -5.8% |
| Bad health | 0.9% | 1.6% | 0.7% | 4.0% | -2.4% |
| Very bad health | 1.1% | 0.4% | -0.7% | 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.
In the area around CF23 8LF this area, 7.4% 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 47.1%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 5.4% | 7.4% | 2.0% | 18.2% | -10.8% |
| 1-4 GCSEs or Equivalent | 10.2% | 7.7% | -2.5% | 9.6% | -1.9% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 14.7% | 13.4% | -1.3% | 13.4% | 0.0% |
| Apprenticeship | 3.7% | 3.3% | -0.4% | 5.3% | -2.0% |
| HNC, HND or 2+ A Levels | 13% | 19.5% | 6.5% | 16.9% | 2.6% |
| Degree or Similar | 47.7% | 47.1% | -0.6% | 33.8% | 13.3% |
| Other | 5.4% | 1.6% | -3.8% | 2.8% | -1.2% |
This area closely mirrors the overall ethnic composition of the UK, with 82.7% of the population identifying as white, with UK average of 81.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Bangladeshi | 0% | 0.2% | 0.2% | 1.1% | -0.9% |
| Chinese | 1.5% | 1.2% | -0.3% | 0.7% | 0.5% |
| Indian | 1.9% | 0.8% | -1.1% | 3.1% | -2.3% |
| Pakistani | 0.2% | 1% | 0.8% | 2.7% | -1.7% |
| Other Asian | 1.5% | 1% | -0.5% | 1.6% | -0.6% |
| Black African | 0% | 1% | 1.0% | 2.5% | -1.5% |
| Black Caribbean | 0.2% | 0% | -0.2% | 1.0% | -1.0% |
| Other Black | 0% | 0.8% | 0.8% | 0.5% | 0.3% |
| Mixed White and Asian | 0.9% | 0.8% | -0.1% | 0.8% | 0.0% |
| Mixed White and African | 0% | 1.2% | 1.2% | 0.4% | 0.8% |
| Mixed White and Caribbean | 0.9% | 0.8% | -0.1% | 0.9% | -0.1% |
| Mixed Other | 0.2% | 1% | 0.8% | 0.8% | 0.2% |
| White | 89.3% | 82.7% | -6.6% | 81.4% | 1.3% |
| Roma | 0% | 0.8% | 0.8% | 0.2% | 0.6% |
| Arab | 1.3% | 2.8% | 1.5% | 0.6% | 2.2% |
| Other | 2.1% | 3.8% | 1.7% | 1.6% | 2.2% |
In this area, 84.8% 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 | 89.1% | 84.8% | -4.3% | 83.2% | 1.6% |
| European Union | 4.5% | 4.9% | 0.4% | 6.1% | -1.2% |
| Rest of Europe | 0.2% | 0% | -0.2% | 0.8% | -0.8% |
| Africa | 0.6% | 3.8% | 3.2% | 2.7% | 1.1% |
| Middle East and Asia | 5.3% | 6.1% | 0.8% | 5.6% | 0.5% |
| The Americas and the Caribbean | 0.2% | 0.2% | 0.0% | 1.3% | -1.1% |
| Oceania | 0% | 0.2% | 0.2% | 0.3% | -0.1% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 88.2% | 85% | -3.2% | 83.2% | 1.8% |
| 10+ Years | 0.4% | 8.1% | 7.7% | 9.8% | -1.7% |
| 5-10 Years | 3.2% | 3.7% | 0.5% | 2.9% | 0.8% |
| 2-5 Years | 2.4% | 2% | -0.4% | 2.2% | -0.2% |
| Less than 2 years | 5.8% | 1.2% | -4.6% | 1.9% | -0.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 80.8% | 76.7% | 4.1% |
| France | 0.4% | 0.3% | 0.1% |
| Italy | 1.4% | 0.6% | 0.8% |
| Spain | 0.2% | 0.4% | -0.2% |
| Lithuania | 0.6% | 0.3% | 0.3% |
| Poland | 1.6% | 1.3% | 0.3% |
| Other EU countries | 0.6% | 1.5% | -0.9% |
| North Africa | 2.2% | 0.1% | 2.1% |
| South and Eastern Africa | 0.8% | 0.2% | 0.6% |
| Middle East | 0.4% | 0.1% | 0.3% |
| Southern Asia | 0.2% | 1.2% | -1.0% |
| Oceania | 0.2% | 0.1% | 0.1% |
| No passport held | 10.5% | 13.5% | -3.0% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 42.5% | 37.2% | 5.3% |
| Christian | 42.3% | 46.2% | -3.9% |
| Buddhist | 0.8% | 0.5% | 0.3% |
| Hindu | 0.8% | 1.7% | -0.9% |
| Muslim | 7.5% | 6.5% | 1.0% |
| Other religion | 1.4% | 0.6% | 0.8% |
| Not answered | 4.7% | 6.0% | -1.3% |
Over the last 12 months, the overall crime rate around Clos Nant Ddu was 51.4 per 1,000 residents, which is 34.5% lower than the Pontprennau and Old St Mellons average. The most reported crime type was Violence and sexual offences.
Clos Nant Ddu has the 22nd lowest crime rate of 66 local areas in Pontprennau and Old St Mellons and the 440th lowest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 27.8 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -36.9%.
Households in this area have a higher level of wealth to the average household in England and Wales. 75% of analyzed areas in England and Wales have lower average household annual income than this area.
| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 15 Clos Nant Ddu, Cardiff, Cardiff Detached, an established residential building | £390,000 | 2025-10-09 | £390,000 |
| 30 Clos Nant Ddu, Cardiff, Cardiff Terraced, an established residential building | £200,000 | 2024-10-11 | £203,766 |
| 20 Clos Nant Ddu, Cardiff, Cardiff Semi-Detached, an established residential building | £215,000 | 2023-03-01 | £221,685 |
| 16 Clos Nant Ddu, Cardiff, Cardiff Terraced, an established residential building | £162,000 | 2019-04-04 | £219,704 |
| 36 Clos Nant Ddu, Cardiff, Cardiff Terraced, an established residential building | £168,500 | 2019-03-29 | £228,822 |
CF23 8LF 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 | 181 |
| Part-Time Employee | 58 |
| Retired | 38 |
| Self-Employed | 31 |
| Student (economically inactive) | 15 |
| Looking after home or family | 14 |
| Unemployed | 12 |
| Other | 7 |
| Long-Term Sick or disabled | 7 |
| Full-Time Student (with or without job) | 5 |
| Human health and social work activities | 45 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 38 |
| Education | 36 |
| Manufacturing | 28 |
| Public administration and defence; compulsory social security | 27 |
| Financial and insurance activities | 23 |
| Accommodation and food service activities | 15 |
| Other | 14 |
| Professional, scientific and technical activities | 12 |
| Information and communication | 12 |
| Construction | 9 |
| Transport and storage | 8 |
| Administrative and support service activities | 8 |
| Electricity, gas, steam and air conditioning supply | 6 |
| Real estate activities | 4 |
| Water supply; sewerage, waste management and remediation activities | 3 |
| Agriculture, forestry and fishing | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Bernadette's R.C. Primary School Bryn Heulog , Off Pentwyn Drive CF23 7JB | - not rated | 1,170 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| The Hollies Special School Bryn Heulog , Pentwyn CF23 7XG | - not rated | 1,190 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Corpus Christi Catholic High School Ty Draw Road , Lisvane CF23 6XL | - not rated | 1,313 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Bryn Celyn Primary School Bryn Celyn , Pentwyn CF23 7ES | - not rated | 1,318 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Glan-Yr-Afon Primary Browing Close , Llanrumney CF3 5NJ | - not rated | 1,625 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 |
|---|---|---|---|
| Oasis Café | Pontprennau Community Church Centre Heol Pontprennau, Pontprennau | 234 yd | |
| Servest Food Company (Ty Meridian) | Scottish & Southern Energy, Cardiff Gate Business Park Malthouse Avenue, Pontprennau | 356 yd | |
| Toby Carvery | First Floor, Cedar House Greenwood Close, Pontprennau | 806 yd | |
| McDonalds | 1, Cardiff Gate Retail Park Dering Road, Pontprennau | 910 yd | |
| Costa Ltd | Costa Coffee Ltd, Cardiff Gate Retail Park Dering Road, Pontprennau | 919 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Village Inn | Village Inn Croescadarn Road, Pontprennau | 626 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Waitrose | Waitrose Croescadarn Close, Pontprennau | 705 yd | |
| Aldi | Aldi Dartington Drive, Pontprennau | 832 yd | |
| Asda Stores Ltd | Asda Supermarket, Cardiff Gate Retail Park Dering Road, Pontprennau | 919 yd | |
| Waitrose | Welcome Break Service Station Junction 30 M4 Malthouse Avenue, Pontprennau | 1,084 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 | 96.3% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 96.3% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 96.3% |
| 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 | 74.1 Mbit/s |
| Average download speed | 109.1 Mbit/s |
| Minimum download speed | 600 Mbit/s |
| Maximum download speed | 600 Mbit/s |
| Median upload speed | 19.9 Mbit/s |
| Average upload speed | 18.4 Mbit/s |
| Maximum upload speed | 40 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.