Rhydhelig Avenue is in Cardiff and in Cardiff district. CF14 4DD is located in the Heath electoral ward, within the English Parliamentary constituency of Cardiff North. This postcode has been in use since 1999-06-01.
StreetScan combines information about Rhydhelig Avenue, Cardiff, CF14 4DD and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF14 4DA, CF14 4AR, CF14 4AN, CF14 4AU, CF14 4AP, CF14 4AT, CF14 4AF, CF14 4AD, CF14 4BE.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF14 4DD is generally consistent with those figures, having a male population of 48.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 51.9% | 51.6% | -0.3% | 51.0% | 0.6% |
| Male | 48.1% | 48.4% | 0.3% | 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.
In the immediate vicinity of CF14 4DD there is a very large concentration of residents that are married - 54.3% 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 | 32.6% | 34.6% | 2.0% | 37.9% | -3.3% |
| Married: Opposite sex | 56.9% | 54.3% | -2.6% | 44.2% | 10.1% |
| Separated | 1.5% | 2.9% | 1.4% | 2.2% | 0.7% |
| Divorced | 3.4% | 1.2% | -2.2% | 9.1% | -7.9% |
| Widowed | 5.6% | 7% | 1.4% | 6.1% | 0.9% |
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 (86.7%) 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 | 65.4% | 61.9% | -3.5% | 48.4% | 13.5% |
| Good health | 25.9% | 24.8% | -1.1% | 33.6% | -8.8% |
| Fair health | 4.9% | 11.6% | 6.7% | 12.7% | -1.1% |
| Bad health | 2.6% | 1.6% | -1.0% | 4.0% | -2.4% |
| Very bad health | 1.2% | 0% | -1.2% | 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.
In the area around CF14 4DD this area, 9.9% 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 52.9%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 12% | 9.9% | -2.1% | 18.2% | -8.3% |
| 1-4 GCSEs or Equivalent | 11.2% | 6.6% | -4.6% | 9.6% | -3.0% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 17.2% | 12.4% | -4.8% | 13.4% | -1.0% |
| Apprenticeship | 3% | 1.2% | -1.8% | 5.3% | -4.1% |
| HNC, HND or 2+ A Levels | 13.9% | 16.9% | 3.0% | 16.9% | 0.0% |
| Degree or Similar | 37.1% | 52.9% | 15.8% | 33.8% | 19.1% |
| Other | 5.6% | 0% | -5.6% | 2.8% | -2.8% |
This area closely mirrors the overall ethnic composition of the UK, with 87.7% 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% | 0.6% | 0.6% | 1.1% | -0.5% |
| Chinese | 0% | 2.6% | 2.6% | 0.7% | 1.9% |
| Indian | 2% | 0% | -2.0% | 3.1% | -3.1% |
| Pakistani | 0.6% | 1.3% | 0.7% | 2.7% | -1.4% |
| Other Asian | 1.2% | 0.3% | -0.9% | 1.6% | -1.3% |
| Black African | 0% | 0.3% | 0.3% | 2.5% | -2.2% |
| Black Caribbean | 0% | 0.3% | 0.3% | 1.0% | -0.7% |
| Mixed White and Asian | 0.6% | 0.6% | 0.0% | 0.8% | -0.2% |
| Mixed White and African | 0% | 1.3% | 1.3% | 0.4% | 0.9% |
| Mixed White and Caribbean | 0.3% | 1% | 0.7% | 0.9% | 0.1% |
| Mixed Other | 0% | 0.6% | 0.6% | 0.8% | -0.2% |
| White | 86.2% | 87.7% | 1.5% | 81.4% | 6.3% |
| Arab | 8.6% | 2.9% | -5.7% | 0.6% | 2.3% |
| Other | 0.6% | 0.3% | -0.3% | 1.6% | -1.3% |
In this area, 90.3% 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 | 87.6% | 90.3% | 2.7% | 83.2% | 7.1% |
| European Union | 2.6% | 2.3% | -0.3% | 6.1% | -3.8% |
| Rest of Europe | 0.3% | 0% | -0.3% | 0.8% | -0.8% |
| Africa | 1.7% | 2.6% | 0.9% | 2.7% | -0.1% |
| Middle East and Asia | 7.5% | 2.9% | -4.6% | 5.6% | -2.7% |
| The Americas and the Caribbean | 0.3% | 1.9% | 1.6% | 1.3% | 0.6% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 87.6% | 90% | 2.4% | 83.2% | 6.8% |
| 10+ Years | 3.2% | 7.7% | 4.5% | 9.8% | -2.1% |
| 5-10 Years | 2.9% | 0.6% | -2.3% | 2.9% | -2.3% |
| 2-5 Years | 2.6% | 1% | -1.6% | 2.2% | -1.2% |
| Less than 2 years | 3.7% | 0.6% | -3.1% | 1.9% | -1.3% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 86.7% | 76.7% | 10.0% |
| Ireland | 1% | 0.6% | 0.4% |
| Portugal | 1% | 0.5% | 0.5% |
| Spain | 0.3% | 0.4% | -0.1% |
| Other EU countries | 0.3% | 1.5% | -1.2% |
| Eastern Asia | 1% | 0.3% | 0.7% |
| No passport held | 9.7% | 13.5% | -3.8% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 40.3% | 37.2% | 3.1% |
| Christian | 47.1% | 46.2% | 0.9% |
| Jewish | 0.3% | 0.5% | -0.2% |
| Muslim | 5.5% | 6.5% | -1.0% |
| Not answered | 6.8% | 6.0% | 0.8% |
Over the last 12 months, the overall crime rate around Rhydhelig Avenue was 23.7 per 1,000 residents, which is 65.4% lower than the Heath average. The most reported crime type was Violence and sexual offences.
Rhydhelig Avenue has the 26th lowest crime rate of 59 local areas in Heath and the 206th lowest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 8.9 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -40.4%.

Households in this area have a slightly higher level of wealth to the average household in England and Wales. 63% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 18 Rhydhelig Avenue, Cardiff, Cardiff Terraced, an established residential building | £390,000 | 2023-05-10 | £410,358 |
| 4 Rhydhelig Avenue, Cardiff, Cardiff Semi-Detached, an established residential building | £325,000 | 2021-04-30 | £399,164 |
| 10 Rhydhelig Avenue, Cardiff, Cardiff Terraced, an established residential building | £301,000 | 2020-01-06 | £396,703 |
| 16 Rhydhelig Avenue, Cardiff, Cardiff Terraced, an established residential building | £300,000 | 2019-05-22 | £407,937 |
| 10 Rhydhelig Avenue, Cardiff, Cardiff Terraced, an established residential building | £265,000 | 2017-11-03 | £376,271 |
CF14 4DD 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 | 100 |
| Retired | 49 |
| Part-Time Employee | 26 |
| Student (economically inactive) | 17 |
| Self-Employed | 16 |
| Looking after home or family | 11 |
| Unemployed | 7 |
| Full-Time Student (with or without job) | 6 |
| Other | 4 |
| Long-Term Sick or disabled | 3 |
| Human health and social work activities | 37 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 27 |
| Public administration and defence; compulsory social security | 21 |
| Education | 20 |
| Professional, scientific and technical activities | 15 |
| Financial and insurance activities | 12 |
| Construction | 10 |
| Other | 7 |
| Manufacturing | 6 |
| Transport and storage | 4 |
| Accommodation and food service activities | 4 |
| Information and communication | 4 |
| Administrative and support service activities | 2 |
| Real estate activities | 2 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Birchgrove Primary School Birchgrove Road , Birchgrove CF14 1RR | - not rated | 204 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Bryn Y Deryn School and Student Support Unit Viriamu Jones , Cefn Road CF14 3HS | - not rated | 963 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Joseph's R.C. Primary School 204 North Road , Gabalfa CF14 3BL | - not rated | 1,046 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ton-Yr-Ywen Primary School Maes-Y-Coed Road , Heath CF14 4HG | - not rated | 1,398 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Allensbank Primary School Llanishen Street , Heath CF14 3QE | - not rated | 1,415 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 |
|---|---|---|---|
| Sweet Pea Daycare | 64 - 66 Caerphilly Road, Heath | 118 yd | |
| CHICK N SHAKE | 75A Caerphilly Road, Heath | 180 yd | |
| GRANO | 102 - 104 Caerphilly Road, Heath | 231 yd | |
| Greek Village | 110 Caerphilly Road, Heath | 286 yd | |
| Celebrities | 109 - 111 Caerphilly Road, Heath | 299 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The New Inn | 67 Caerphilly Road, Heath | 169 yd | |
| Birchgrove Inn | 1 - 3 Birchgrove Road, Heath | 257 yd | |
| The Aneurin Bevan | Aneurin Bevan Caerphilly Road, Heath | 285 yd | |
| Three horse shoes Whitchurch limited | Three Horseshoes Merthyr Road, Whitchurch | 334 yd | |
| Cardiff Model Engineering Soc | Model Railway, Heath Park King George V Drive East, Heath | 1,085 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Younger's | 73 Caerphilly Road, Heath | 178 yd | |
| Flaming Tikka | 75 Caerphilly Road, Heath | 180 yd | |
| Mowglis Indian Takeaway | 89 Caerphilly Road, Heath | 202 yd | |
| Top Oriental | 105 Caerphilly Road, Heath | 286 yd | |
| Golden Bbq | 112 Caerphilly Road, Heath | 297 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Co-operative Group | 122 Caerphilly Road, Heath | 347 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 | 130 Mbit/s |
| Average download speed | 148.3 Mbit/s |
| Minimum download speed | 350 Mbit/s |
| Maximum download speed | 350 Mbit/s |
| Median upload speed | 15 Mbit/s |
| Average upload speed | 19.2 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.