Merthyr Road is in Tongwynlais, Cardiff and in Cardiff district. CF15 7XW is located in the Whitchurch and Tongwynlais electoral ward, within the English Parliamentary constituency of Cardiff North. This postcode has been in use since 1999-06-01.
StreetScan combines information about Merthyr Road, Tongwynlais, Cardiff, CF15 7XW and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF15 7LB, CF15 7LF, CF15 7NL, CF15 7LG, CF15 7NS, CF15 7JP, CF15 7LH, CF15 7LP, CF15 7LJ.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF15 7XW is generally consistent with those figures, having a male population of 48.1%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 51.3% | 51.9% | 0.6% | 51.0% | 0.9% |
| Male | 48.7% | 48.1% | -0.6% | 49.0% | -0.9% |
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 | 33.6% | 40.3% | 6.7% | 37.9% | 2.4% |
| Married: Opposite sex | 49% | 46.6% | -2.4% | 44.2% | 2.4% |
| Married: Same sex | 0.4% | 0% | -0.4% | 0.3% | -0.3% |
| Separated | 0.4% | 0.8% | 0.4% | 2.2% | -1.4% |
| Divorced | 12.1% | 8.5% | -3.6% | 9.1% | -0.6% |
| Widowed | 4.5% | 3.8% | -0.7% | 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 | 46% | 48.3% | 2.3% | 48.4% | -0.1% |
| Good health | 33.8% | 31.4% | -2.4% | 33.6% | -2.2% |
| Fair health | 12.6% | 12.8% | 0.2% | 12.7% | 0.1% |
| Bad health | 4.6% | 5.1% | 0.5% | 4.0% | 1.1% |
| Very bad health | 3% | 2.4% | -0.6% | 1.2% | 1.2% |
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 43.9%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 25.5% | 19.4% | -6.1% | 18.2% | 1.2% |
| 1-4 GCSEs or Equivalent | 10.1% | 7.2% | -2.9% | 9.6% | -2.4% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 14.2% | 13.5% | -0.7% | 13.4% | 0.1% |
| Apprenticeship | 2.8% | 3% | 0.2% | 5.3% | -2.3% |
| HNC, HND or 2+ A Levels | 10.1% | 11.4% | 1.3% | 16.9% | -5.5% |
| Degree or Similar | 33.2% | 43.9% | 10.7% | 33.8% | 10.1% |
| Other | 4% | 1.7% | -2.3% | 2.8% | -1.1% |
In this area, the population is predominantly white, with 95.9% 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 | 0% | 0.3% | 0.3% | 0.7% | -0.4% |
| Indian | 0.3% | 0% | -0.3% | 3.1% | -3.1% |
| Other Asian | 0% | 0.3% | 0.3% | 1.6% | -1.3% |
| Black African | 0.3% | 0.3% | 0.0% | 2.5% | -2.2% |
| Other Black | 0.3% | 0% | -0.3% | 0.5% | -0.5% |
| Mixed White and Asian | 0.7% | 0.3% | -0.4% | 0.8% | -0.5% |
| Mixed White and African | 0.7% | 0% | -0.7% | 0.4% | -0.4% |
| Mixed White and Caribbean | 0.7% | 2% | 1.3% | 0.9% | 1.1% |
| Mixed Other | 1% | 0.7% | -0.3% | 0.8% | -0.1% |
| White | 96% | 95.9% | -0.1% | 81.4% | 14.5% |
In this area, 91.2% 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 | 94.7% | 91.2% | -3.5% | 83.2% | 8.0% |
| European Union | 2.6% | 6.4% | 3.8% | 6.1% | 0.3% |
| Africa | 1.3% | 0.3% | -1.0% | 2.7% | -2.4% |
| Middle East and Asia | 0.3% | 1.4% | 1.1% | 5.6% | -4.2% |
| The Americas and the Caribbean | 0.3% | 0.7% | 0.4% | 1.3% | -0.6% |
| Oceania | 0.7% | 0% | -0.7% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 94.7% | 90.9% | -3.8% | 83.2% | 7.7% |
| 10+ Years | 2% | 6.8% | 4.8% | 9.8% | -3.0% |
| 5-10 Years | 0% | 1.7% | 1.7% | 2.9% | -1.2% |
| 2-5 Years | 0.7% | 0.7% | 0.0% | 2.2% | -1.5% |
| Less than 2 years | 2.6% | 0% | -2.6% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 79.1% | 76.7% | 2.4% |
| Ireland | 1.7% | 0.6% | 1.1% |
| Italy | 0.7% | 0.6% | 0.1% |
| Poland | 1.3% | 1.3% | 0.0% |
| Other EU countries | 2% | 1.5% | 0.5% |
| Central and Western Africa | 0.3% | 0.3% | 0.0% |
| No passport held | 14.8% | 13.5% | 1.3% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 57.7% | 37.2% | 20.5% |
| Christian | 37.2% | 46.2% | -9.0% |
| Buddhist | 1% | 0.5% | 0.5% |
| Other religion | 0.7% | 0.6% | 0.1% |
| Not answered | 3.4% | 6.0% | -2.6% |
Over the last 12 months, the overall crime rate around Merthyr Road was 197.4 per 1,000 residents, which is 65.4% higher than the Taff's Well average. The most reported crime type was Violence and sexual offences.
Merthyr Road has the 5th highest crime rate of 22 local areas in Taff's Well and the 82nd highest crime rate of 797 local areas in Rhondda Cynon Taf .
Violent and sexual offences accounted for around 105.3 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -15.4%.

Households in this area have a similar level of wealth to the average household in England and Wales. 55% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| Bennetts Of Tongwynlais Ltd Merthyr Road, Cardiff, Cardiff Detached, an established residential building | £200,000 | 2003-12-05 | £447,162 |
| Bennetts Of Tongwynlais Ltd Merthyr Road, Cardiff, Cardiff Detached, an established residential building | £95,000 | 1998-03-03 | £438,198 |
CF15 7XW 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 | 99 |
| Retired | 40 |
| Part-Time Employee | 29 |
| Self-Employed | 19 |
| Long-Term Sick or disabled | 18 |
| Student (economically inactive) | 10 |
| Other | 8 |
| Unemployed | 5 |
| Looking after home or family | 4 |
| Full-Time Student (with or without job) | 2 |
| Human health and social work activities | 24 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 21 |
| Education | 18 |
| Manufacturing | 16 |
| Accommodation and food service activities | 12 |
| Public administration and defence; compulsory social security | 12 |
| Construction | 7 |
| Administrative and support service activities | 7 |
| Financial and insurance activities | 6 |
| Professional, scientific and technical activities | 6 |
| Other | 5 |
| Information and communication | 4 |
| Transport and storage | 4 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Tongwynlais Primary School Merthyr Road , Tongwynlais CF15 7LF | - not rated | 190 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Bryn Deri Primary School Caer Graig , Radyr CF15 8RD | - not rated | 1,494 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Radyr Primary School Park Road , Radyr CF15 8DF | - not rated | 1,698 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Coryton Primary School Hollybush Estate , Whitchurch CF14 7DS | - not rated | 1,711 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Y G G Gwaelod y Garth Main Road , Gwaelodygarth CF15 9HJ | - not rated | 2,120 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 |
|---|---|---|---|
| Tonthai street food cafe | 2B Merthyr Road, Tongwynlais | 21 yd | |
| FIRST LIGHT CAFE LTD | 51A Merthyr Road, Tongwynlais | 61 yd | |
| Coffi HQ Ltd | Unit 3, Cardiff Road | 289 yd | |
| Lew's Coffee Shop @ Castell Coch | Castell Coch Castle Road, Tongwynlais | 535 yd | |
| The Watering Can & Walnut Tree | Pughs Garden Centre Ty-nant Road, Morganstown | 615 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The lewis arms | Lewis Arms, 1 Mill Road, Tongwynlais | 63 yd | |
| Tongwynlais RFC | 53 Merthyr Road, Tongwynlais | 72 yd | |
| Tynant Inn | Tynant Inn Ffordd Treforgan, Morganstown | 724 yd |
This statistics are based on Active Places Data - Contains Data © Sport England
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.