Heol Trelai is in Cardiff and in Cardiff district. CF5 5PH is located in the Caerau electoral ward, within the English Parliamentary constituency of Cardiff West. This postcode has been in use since 1980-01-01.
StreetScan combines information about Heol Trelai, Cardiff, CF5 5PH and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF5 5NL, CF5 5PN, CF5 5PL, CF5 5LP, CF5 5EF, CF5 5NN, CF5 5ND, CF5 5PQ, CF5 5LF.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF5 5PH is generally consistent with those figures, having a male population of 49.6%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 47.7% | 50.4% | 2.7% | 51.0% | -0.6% |
| Male | 52.3% | 49.6% | -2.7% | 49.0% | 0.6% |
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 | 41.6% | 41.3% | -0.3% | 37.9% | 3.4% |
| Married: Opposite sex | 36.7% | 39.4% | 2.7% | 44.2% | -4.8% |
| Separated | 2.9% | 1.4% | -1.5% | 2.2% | -0.8% |
| Divorced | 10.2% | 9.4% | -0.8% | 9.1% | 0.3% |
| Widowed | 8.6% | 8.5% | -0.1% | 6.1% | 2.4% |
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 lower percentage of residents reporting their health as Good or Very Good (70.9%) compared to the average (82%). This typically indicates either an older population or social deprivation in the area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 37.1% | 40.4% | 3.3% | 48.4% | -8.0% |
| Good health | 30.5% | 30.5% | 0.0% | 33.6% | -3.1% |
| Fair health | 21.2% | 18.2% | -3.0% | 12.7% | 5.5% |
| Bad health | 8.6% | 7.6% | -1.0% | 4.0% | 3.6% |
| Very bad health | 2.6% | 3.3% | 0.7% | 1.2% | 2.1% |
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 CF5 5PH this area, 30.4% of residents have no qualifications. This is significantly higher than the UK average of 18.2%. This area stands out for its low percentage of residents with higher education degree. The UK average is 33.8%, while in this area it is 18.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 40% | 30.4% | -9.6% | 18.2% | 12.2% |
| 1-4 GCSEs or Equivalent | 16.7% | 11.7% | -5.0% | 9.6% | 2.1% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.9% | 20.6% | 4.7% | 13.4% | 7.2% |
| Apprenticeship | 5.3% | 7.9% | 2.6% | 5.3% | 2.6% |
| HNC, HND or 2+ A Levels | 7.3% | 7.5% | 0.2% | 16.9% | -9.4% |
| Degree or Similar | 9.8% | 18.2% | 8.4% | 33.8% | -15.6% |
| Other | 4.9% | 3.7% | -1.2% | 2.8% | 0.9% |
In this area, the population is predominantly white, with 93.5% 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% | 0.4% | 0.4% | 0.7% | -0.3% |
| Indian | 1% | 1.1% | 0.1% | 3.1% | -2.0% |
| Other Asian | 0% | 1.8% | 1.8% | 1.6% | 0.2% |
| Black African | 1% | 0% | -1.0% | 2.5% | -2.5% |
| Black Caribbean | 0% | 1.1% | 1.1% | 1.0% | 0.1% |
| Mixed White and Asian | 0% | 0.4% | 0.4% | 0.8% | -0.4% |
| Mixed White and Caribbean | 1% | 0.4% | -0.6% | 0.9% | -0.5% |
| Mixed Other | 0.3% | 1.1% | 0.8% | 0.8% | 0.3% |
| White | 94.7% | 93.5% | -1.2% | 81.4% | 12.1% |
| Other | 2% | 0.4% | -1.6% | 1.6% | -1.2% |
In this area, 93.5% 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 | 96.7% | 93.5% | -3.2% | 83.2% | 10.3% |
| European Union | 1% | 1.8% | 0.8% | 6.1% | -4.3% |
| Africa | 0.7% | 0.4% | -0.3% | 2.7% | -2.3% |
| Middle East and Asia | 0% | 2.5% | 2.5% | 5.6% | -3.1% |
| The Americas and the Caribbean | 1.7% | 1.4% | -0.3% | 1.3% | 0.1% |
| Oceania | 0% | 0.4% | 0.4% | 0.3% | 0.1% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 96.7% | 93.8% | -2.9% | 83.2% | 10.6% |
| 10+ Years | 0% | 4.7% | 4.7% | 9.8% | -5.1% |
| 5-10 Years | 0% | 0.7% | 0.7% | 2.9% | -2.2% |
| 2-5 Years | 0.3% | 0.7% | 0.4% | 2.2% | -1.5% |
| Less than 2 years | 3% | 0% | -3.0% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 72.3% | 76.7% | -4.4% |
| Italy | 0.4% | 0.6% | -0.2% |
| Spain | 1.5% | 0.4% | 1.1% |
| Lithuania | 0.4% | 0.3% | 0.1% |
| Poland | 0.7% | 1.3% | -0.6% |
| Other EU countries | 0.7% | 1.5% | -0.8% |
| Eastern Asia | 0.4% | 0.3% | 0.1% |
| Southern Asia | 0.4% | 1.2% | -0.8% |
| South-East Asia | 0.7% | 0.2% | 0.5% |
| Oceania | 0.4% | 0.1% | 0.3% |
| No passport held | 22.3% | 13.5% | 8.8% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 52.7% | 37.2% | 15.5% |
| Christian | 41.1% | 46.2% | -5.1% |
| Buddhist | 0.7% | 0.5% | 0.2% |
| Hindu | 0.7% | 1.7% | -1.0% |
| Not answered | 4.7% | 6.0% | -1.3% |
Over the last 12 months, the overall crime rate around Heol Trelai was 121.1 per 1,000 residents, which is 19.8% lower than the Caerau average. The most reported crime type was Violence and sexual offences.
Heol Trelai has the 19th lowest crime rate of 38 local areas in Caerau and the 286th highest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 62.3 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has risen by about 127.5%.

Households in this area have a lower level of wealth compared to the average household in England and Wales. 90% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 274 Heol Trelai, Cardiff, Cardiff Terraced, an established residential building | £185,000 | 2025-09-10 | £185,000 |
| 228 Heol Trelai, Cardiff, Cardiff Semi-Detached, an established residential building | £250,000 | 2024-11-29 | £255,467 |
| 234 Heol Trelai, Cardiff, Cardiff Semi-Detached, an established residential building | £223,000 | 2024-08-02 | £229,934 |
| 210 Heol Trelai, Cardiff, Cardiff Semi-Detached, an established residential building | £206,000 | 2023-02-23 | £212,832 |
| 204 Heol Trelai, Cardiff, Cardiff Semi-Detached, an established residential building | £257,000 | 2023-01-27 | £264,196 |
| Full-Time Employee | 67 |
| Retired | 47 |
| Part-Time Employee | 26 |
| Long-Term Sick or disabled | 23 |
| Looking after home or family | 21 |
| Unemployed | 9 |
| Student (economically inactive) | 8 |
| Self-Employed | 8 |
| Other | 3 |
| Full-Time Student (with or without job) | 2 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 30 |
| Human health and social work activities | 18 |
| Administrative and support service activities | 13 |
| Other | 13 |
| Construction | 11 |
| Transport and storage | 10 |
| Accommodation and food service activities | 8 |
| Public administration and defence; compulsory social security | 8 |
| Professional, scientific and technical activities | 5 |
| Manufacturing | 4 |
| Information and communication | 3 |
| Financial and insurance activities | 3 |
| Education | 3 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Electricity, gas, steam and air conditioning supply | 2 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Francis V.A. Primary School Wilson Road , Ely CF5 4JL | - not rated | 955 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Cardiff West Community High School Penally Road , CF5 5XP | - not rated | 1,120 yd | Welsh establishment | Not Applicable | More About School | |
| Trelai Primary School Bishopston Road , Ely CF5 5DY | - not rated | 1,154 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Riverbank Special School Vincent Road , Ely CF5 5AQ | - not rated | 1,180 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ty Gwyn Special School Vincent Road , CF5 5AQ | - not rated | 1,208 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 |
|---|---|---|---|
| Caer Cafe | Gospel Hall Church Road, Caerau | 319 yd | |
| Munchies | 6 Heol Trenewydd, Caerau | 557 yd | |
| The Salvation Army Lunch Club | The Salvation Army Aberthaw Road, Ely | 751 yd | |
| Mintos | 27 Wilson Road, Ely | 789 yd | |
| Spice Entice | 103 Cowbridge Road West, Caerau | 869 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| 4th Glamorgan Home Guard Club | 10 Church Road, Caerau | 226 yd | |
| Highfields Inn | Highfield Inn Caerau Road, Caerau | 264 yd | |
| Cardiff West End Social Club | 348 Cowbridge Road West, Ely | 562 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Ely Fish Bar | 121 Bishopston Road, Caerau | 443 yd | |
| Domino's Pizza | Ground Floor Commerical Unit 4, Homes House, 253 Cowbridge Road West, Caerau | 489 yd | |
| Wilson Road Fish Bar | Wilson Road Fish Bar, 41 Wilson Road, Ely | 862 yd | |
| Square Pizza & Chicken Shack | 43 Wilson Road, Ely | 869 yd | |
| The Taste | 45 Wilson Road, Ely | 877 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Lidl | Lidl Cowbridge Road West, Caerau | 432 yd | |
| Tesco | 225 - 229 Cowbridge Road West, Caerau | 489 yd | |
| NISA Supermarket | 53 Wilson Road, Ely | 913 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 | 142.3 Mbit/s |
| Minimum download speed | 1000 Mbit/s |
| Maximum download speed | 1000 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 17.2 Mbit/s |
| Maximum upload speed | 50 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.