Romilly Crescent is in Cardiff and in Cardiff district. CF11 9NP is located in the Riverside electoral ward, within the English Parliamentary constituency of Cardiff West. This postcode has been in use since 1999-06-01.
StreetScan combines information about Romilly Crescent, Cardiff, CF11 9NP and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF11 9NR, CF11 9NX, CF11 9PE, CF11 9PD, CF11 9EN, CF11 9NS, CF11 9PF, CF11 9EA, CF11 9DF.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding CF11 9NP is primarily male, with 54.4% of the population being male. Several factors can contribute to this, including areas with industries or sectors that predominantly employ men, proximity to universities or technical schools with a higher enrollment of male students, presence of all-male or predominantly male institutions (military academies, boarding schools).
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 46.6% | 45.6% | -1.0% | 51.0% | -5.4% |
| Male | 53.4% | 54.4% | 1.0% | 49.0% | 5.4% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
In the immediate area around CF11 9NP, a significant portion of the population is single, making up 59.4% of the residents. On average, approximately 38% of individuals who responded to the census in the UK were single. Areas with higher single populations are typically urban centers, university towns, regions with dynamic job markets, rich cultural offerings and entertainment facilities. These regions also tend to have a younger demographic.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 54.3% | 59.4% | 5.1% | 37.9% | 21.5% |
| Married: Opposite sex | 24.3% | 28.3% | 4.0% | 44.2% | -15.9% |
| Married: Same sex | 1.6% | 0% | -1.6% | 0.3% | -0.3% |
| Separated | 4.9% | 2.9% | -2.0% | 2.2% | 0.7% |
| Divorced | 11.1% | 7.4% | -3.7% | 9.1% | -1.7% |
| Widowed | 3.7% | 2% | -1.7% | 6.1% | -4.1% |
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 | 56.9% | 50.4% | -6.5% | 48.4% | 2.0% |
| Good health | 26% | 33% | 7.0% | 33.6% | -0.6% |
| Fair health | 11% | 11.9% | 0.9% | 12.7% | -0.8% |
| Bad health | 5.7% | 4.4% | -1.3% | 4.0% | 0.4% |
| Very bad health | 0.4% | 0.4% | 0.0% | 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 CF11 9NP this area, 9.3% 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 65%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 16.5% | 9.3% | -7.2% | 18.2% | -8.9% |
| 1-4 GCSEs or Equivalent | 4.9% | 2.4% | -2.5% | 9.6% | -7.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 8.2% | 9.8% | 1.6% | 13.4% | -3.6% |
| Apprenticeship | 1.2% | 2% | 0.8% | 5.3% | -3.3% |
| HNC, HND or 2+ A Levels | 10.3% | 10.2% | -0.1% | 16.9% | -6.7% |
| Degree or Similar | 55.6% | 65% | 9.4% | 33.8% | 31.2% |
| Other | 3.3% | 1.2% | -2.1% | 2.8% | -1.6% |
This area closely mirrors the overall ethnic composition of the UK, with 87.4% of the population identifying as white, with UK average of 81.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Chinese | 0% | 0.7% | 0.7% | 0.7% | 0.0% |
| Indian | 2.5% | 1.1% | -1.4% | 3.1% | -2.0% |
| Pakistani | 0% | 0.7% | 0.7% | 2.7% | -2.0% |
| Other Asian | 1.8% | 0% | -1.8% | 1.6% | -1.6% |
| Black African | 0.7% | 2.2% | 1.5% | 2.5% | -0.3% |
| Black Caribbean | 0% | 0.4% | 0.4% | 1.0% | -0.6% |
| Other Black | 0% | 1.9% | 1.9% | 0.5% | 1.4% |
| Mixed White and Asian | 0.7% | 0.7% | 0.0% | 0.8% | -0.1% |
| Mixed White and African | 0% | 0.4% | 0.4% | 0.4% | 0.0% |
| Mixed White and Caribbean | 0% | 2.2% | 2.2% | 0.9% | 1.3% |
| Mixed Other | 0.4% | 0.7% | 0.3% | 0.8% | -0.1% |
| White | 91.1% | 87.4% | -3.7% | 81.4% | 6.0% |
| Gypsy or Irish Traveller | 1.8% | 0% | -1.8% | 0.1% | -0.1% |
| Arab | 0% | 1.1% | 1.1% | 0.6% | 0.5% |
| Other | 1.1% | 0.4% | -0.7% | 1.6% | -1.2% |
In this area, 89.6% 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 | 90.4% | 89.6% | -0.8% | 83.2% | 6.4% |
| European Union | 4.3% | 5.2% | 0.9% | 6.1% | -0.9% |
| Africa | 1.8% | 2.2% | 0.4% | 2.7% | -0.5% |
| Middle East and Asia | 2.1% | 2.6% | 0.5% | 5.6% | -3.0% |
| The Americas and the Caribbean | 0.4% | 0% | -0.4% | 1.3% | -1.3% |
| Oceania | 1.1% | 0.4% | -0.7% | 0.3% | 0.1% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 88.3% | 89.6% | 1.3% | 83.2% | 6.4% |
| 10+ Years | 3.2% | 5.9% | 2.7% | 9.8% | -3.9% |
| 5-10 Years | 0.7% | 2.2% | 1.5% | 2.9% | -0.7% |
| 2-5 Years | 2.5% | 1.9% | -0.6% | 2.2% | -0.3% |
| Less than 2 years | 5.3% | 0.4% | -4.9% | 1.9% | -1.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 84.4% | 76.7% | 7.7% |
| Germany | 0.4% | 0.2% | 0.2% |
| Portugal | 0.4% | 0.5% | -0.1% |
| Lithuania | 1.1% | 0.3% | 0.8% |
| Poland | 0.7% | 1.3% | -0.6% |
| Romania | 0.4% | 0.9% | -0.5% |
| Other EU countries | 1.1% | 1.5% | -0.4% |
| Middle East | 0.7% | 0.1% | 0.6% |
| Southern Asia | 0.7% | 1.2% | -0.5% |
| No passport held | 10% | 13.5% | -3.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 56.7% | 37.2% | 19.5% |
| Christian | 37% | 46.2% | -9.2% |
| Hindu | 0.4% | 1.7% | -1.3% |
| Muslim | 2.6% | 6.5% | -3.9% |
| Sikh | 1.1% | 0.9% | 0.2% |
| Not answered | 2.2% | 6.0% | -3.8% |
Over the last 12 months, the overall crime rate around Romilly Crescent was 50.0 per 1,000 residents, which is 69.6% lower than the Riverside average. The most reported crime type was Violence and sexual offences.
Romilly Crescent has the 8th lowest crime rate of 43 local areas in Riverside and the 426th lowest crime rate of 1,028 local areas in Cardiff .
Violent and sexual offences accounted for around 28.6 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has risen by about 27.8%.

Households in this area have a slightly higher level of wealth to the average household in England and Wales. 70% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 7 Romilly Crescent, Cardiff, Cardiff Detached, an established residential building | £494,000 | 2025-03-31 | £496,424 |
| 9 Romilly Crescent, Cardiff, Cardiff Terraced, an established residential building | £585,000 | 2024-11-28 | £594,837 |
| 35 Romilly Crescent, Cardiff, Cardiff Terraced, an established residential building | £375,000 | 2023-02-28 | £387,827 |
| 47 Romilly Crescent, Cardiff, Cardiff Terraced, an established residential building | £480,000 | 2022-10-07 | £491,474 |
| Flat 1 33 Romilly Crescent, Cardiff, Cardiff Flats/Maisonettes, an established residential building | £315,000 | 2022-09-16 | £315,957 |
CF11 9NP area has a high level of entrepreneurship. Only 22% of streets have higher percent of entrepreneur residents. 12% of population in this area is self-employed, while the average in the UK is 9.7%. High number of entrepreneurs usually leads to relatively high economic growth, higher paid jobs and better quality of life in the area.
CF11 9NP 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 | 110 |
| Retired | 37 |
| Self-Employed | 30 |
| Part-Time Employee | 29 |
| Student (economically inactive) | 14 |
| Other | 10 |
| Unemployed | 5 |
| Looking after home or family | 4 |
| Full-Time Student (with or without job) | 4 |
| Long-Term Sick or disabled | 3 |
| Human health and social work activities | 26 |
| Education | 26 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 23 |
| Professional, scientific and technical activities | 16 |
| Other | 15 |
| Public administration and defence; compulsory social security | 12 |
| Information and communication | 10 |
| Financial and insurance activities | 10 |
| Manufacturing | 9 |
| Accommodation and food service activities | 6 |
| Administrative and support service activities | 6 |
| Transport and storage | 5 |
| Construction | 4 |
| Real estate activities | 3 |
| Electricity, gas, steam and air conditioning supply | 2 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Mary's R.C. Primary School Wyndham Crescent , Canton CF11 9EF | - not rated | 368 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Radnor Primary School Radnor Road , Canton CF5 1RB | - not rated | 424 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Kitchener Primary School Kitchener Road , Canton CF11 6HT | - not rated | 831 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Howell's School Cardiff Road , Llandaff CF5 2YD | - not rated | 956 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Lansdowne Primary School Norfolk Street , Canton CF5 1JY | - not rated | 983 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 |
|---|---|---|---|
| Heaney/Uisce | 4 - 10 Romilly Crescent, Pontcanna | 38 yd | |
| Stefano's | 14 Romilly Crescent, Pontcanna | 51 yd | |
| No.5 Pontcanna | 5 Romilly Crescent, Pontcanna | 70 yd | |
| The Danish Bakery/ Brod | 126 Wyndham Crescent, Pontcanna | 124 yd | |
| Alex Gooch Artisan Baker | 183A King's Road, Pontcanna | 134 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Robin Hood | The Robin Hood Hotel, 16 Severn Grove, Riverside | 90 yd | |
| The Romilly | The Romilly Hotel, 69 - 71 Romilly Crescent, Pontcanna | 138 yd | |
| Butchers Arms | The Butchers Arms, 29 Llandaff Road, Canton | 206 yd | |
| The Canton Hotel | 6 Llandaff Road, Riverside | 345 yd | |
| The New Conway | Conway Hotel, 58 Conway Road, Pontcanna | 434 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Pontcanna Grill & Pizza/Pontcanna Spice | 90 - 92 Severn Road, Pontcanna | 127 yd | |
| Rock & Malt | 89 - 89A Wyndham Crescent, Pontcanna | 133 yd | |
| Domino's Pizza | 200 Cowbridge Road East, Canton | 405 yd | |
| Canton Fishbar | 212 Cowbridge Road East, Canton | 422 yd | |
| Mowglis Indian takeaway | 222 Cowbridge Road East, Canton | 449 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Co-operative Group | Co-operative Group Food Limited, 200 King's Road, Pontcanna | 154 yd | |
| Iceland | 194C Cowbridge Road East, Canton | 377 yd | |
| Canton Food Centre | 114 Cowbridge Road East, Riverside | 458 yd | |
| Tesco | Tesco Metro Delta Street, Riverside | 476 yd | |
| Tesco | 425 - 427 Cowbridge Road East, Canton | 755 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 | 97.7% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 97.7% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 97.7% |
| 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 | 153 Mbit/s |
| Minimum download speed | 1000 Mbit/s |
| Maximum download speed | 1000 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 18.2 Mbit/s |
| Maximum upload speed | 50 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.