William Street is in Ystrad, Pentre and in Rhondda district. CF41 7QU is located in the Ystrad electoral ward, within the English Parliamentary constituency of Rhondda. This postcode has been in use since 1980-01-01.
StreetScan combines information about William Street, Ystrad, Pentre, CF41 7QU and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF41 7QY, CF41 7QZ, CF41 7RX, CF41 7RY, CF41 7RA, CF41 7RZ, CF41 7QE, CF41 7QB, CF41 7QF.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding CF41 7QU has a slightly higher male population, with 50.1% of residents 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 | 47.1% | 49.9% | 2.8% | 51.0% | -1.1% |
| Male | 52.9% | 50.1% | -2.8% | 49.0% | 1.1% |
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 | 43.1% | 38.3% | -4.8% | 37.9% | 0.4% |
| Married: Opposite sex | 38.3% | 36.9% | -1.4% | 44.2% | -7.3% |
| Married: Same sex | 0% | 0.7% | 0.7% | 0.3% | 0.4% |
| Civil partnership: Opposite sex | 0% | 0.7% | 0.7% | 0.1% | 0.6% |
| Separated | 2.2% | 4.4% | 2.2% | 2.2% | 2.2% |
| Divorced | 8.4% | 11.5% | 3.1% | 9.1% | 2.4% |
| Widowed | 8% | 7.5% | -0.5% | 6.1% | 1.4% |
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.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 42.9% | 41.6% | -1.3% | 48.4% | -6.8% |
| Good health | 32.4% | 33.6% | 1.2% | 33.6% | 0.0% |
| Fair health | 15.3% | 16.8% | 1.5% | 12.7% | 4.1% |
| Bad health | 7.8% | 6.3% | -1.5% | 4.0% | 2.3% |
| Very bad health | 1.5% | 1.7% | 0.2% | 1.2% | 0.5% |
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 CF41 7QU 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 | 36.9% | 30.4% | -6.5% | 18.2% | 12.2% |
| 1-4 GCSEs or Equivalent | 18.2% | 9.5% | -8.7% | 9.6% | -0.1% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15% | 15.9% | 0.9% | 13.4% | 2.5% |
| Apprenticeship | 3.6% | 4.1% | 0.5% | 5.3% | -1.2% |
| HNC, HND or 2+ A Levels | 9.5% | 19.6% | 10.1% | 16.9% | 2.7% |
| Degree or Similar | 13.5% | 18.2% | 4.7% | 33.8% | -15.6% |
| Other | 3.3% | 2.4% | -0.9% | 2.8% | -0.4% |
In this area, the population is predominantly white, with 98.9% 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 | 2.4% | 0% | -2.4% | 0.7% | -0.7% |
| Other Asian | 0.6% | 0% | -0.6% | 1.6% | -1.6% |
| Black African | 0.6% | 0.3% | -0.3% | 2.5% | -2.2% |
| Mixed White and Asian | 0.9% | 0% | -0.9% | 0.8% | -0.8% |
| Mixed White and Caribbean | 0.6% | 0% | -0.6% | 0.9% | -0.9% |
| Mixed Other | 0% | 0.9% | 0.9% | 0.8% | 0.1% |
| White | 94.6% | 98.9% | 4.3% | 81.4% | 17.5% |
| Arab | 0.3% | 0% | -0.3% | 0.6% | -0.6% |
In this area, 99.4% 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 | 94.3% | 99.4% | 5.1% | 83.2% | 16.2% |
| European Union | 2.1% | 0.6% | -1.5% | 6.1% | -5.5% |
| Rest of Europe | 0.3% | 0% | -0.3% | 0.8% | -0.8% |
| Africa | 1.5% | 0% | -1.5% | 2.7% | -2.7% |
| Middle East and Asia | 1.5% | 0% | -1.5% | 5.6% | -5.6% |
| The Americas and the Caribbean | 0.3% | 0% | -0.3% | 1.3% | -1.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 94.3% | 99.4% | 5.1% | 83.2% | 16.2% |
| 10+ Years | 3.6% | 0.6% | -3.0% | 9.8% | -9.2% |
| 2-5 Years | 0.6% | 0% | -0.6% | 2.2% | -2.2% |
| Less than 2 years | 1.5% | 0% | -1.5% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 80.4% | 76.7% | 3.7% |
| Poland | 0.3% | 1.3% | -1.0% |
| No passport held | 19.3% | 13.5% | 5.8% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 64.4% | 37.2% | 27.2% |
| Christian | 27.6% | 46.2% | -18.6% |
| Other religion | 0.3% | 0.6% | -0.3% |
| Not answered | 7.7% | 6.0% | 1.7% |
Over the last 12 months, the overall crime rate around William Street was 66.7 per 1,000 residents, which is 50.2% lower than the Llwyn-y-pia average. The most reported crime type was Violence and sexual offences.
William Street has the 10th lowest crime rate of 30 local areas in Llwyn-y-pia and the 395th highest crime rate of 797 local areas in Rhondda Cynon Taf .
Violent and sexual offences accounted for around 36.1 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -56.9%.

Households in this area have a much lower level of wealth compared to the average household in England and Wales. 93% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 42 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £86,500 | 2025-09-24 | £86,500 |
| 37 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £133,500 | 2022-10-20 | £135,653 |
| 39 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £115,000 | 2022-01-21 | £130,983 |
| 55 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £123,000 | 2020-01-23 | £176,364 |
| 33 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £70,000 | 2018-10-22 | £105,156 |
CF41 7QU area has a high level of entrepreneurship. Only 21% 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.
CF41 7QU 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 | 82 |
| Retired | 64 |
| Self-Employed | 36 |
| Long-Term Sick or disabled | 30 |
| Part-Time Employee | 29 |
| Looking after home or family | 16 |
| Student (economically inactive) | 12 |
| Other | 8 |
| Unemployed | 8 |
| Full-Time Student (with or without job) | 8 |
| Human health and social work activities | 26 |
| Manufacturing | 22 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 18 |
| Construction | 17 |
| Education | 16 |
| Public administration and defence; compulsory social security | 12 |
| Administrative and support service activities | 11 |
| Other | 8 |
| Financial and insurance activities | 7 |
| Transport and storage | 6 |
| Accommodation and food service activities | 5 |
| Professional, scientific and technical activities | 2 |
| Real estate activities | 1 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Bodringallt Primary School Bodringallt Terrace , Ystrad CF41 7QE | - not rated | 269 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol G.G. Bodringallt Bryn Terrace , Ystrad CF41 7RX | - not rated | 298 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Gelli Primary School Ystrad Road , Ystrad CF41 7PX | - not rated | 505 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Hen Felin Gelligaled Park , Ystrad CF41 7SZ | - not rated | 782 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol G.G. Bronllwyn Colwyn Road , Gelli CF41 7NW | - not rated | 1,186 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 |
|---|---|---|---|
| Eat and Greet Cafe and Catering | 70 William Street | 25 yd | |
| Delicious | 28 William Street | 269 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Con | 51 William Street | 8 yd | |
| Greenfield Hotel | 13-14 William Street | 269 yd | |
| Ystrad Rhondda RFC | 82 Gelligaled Road | 345 yd | |
| Gelli & Ton Pentre Hibernian | 142-144 Gelli Road | 927 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Tasty Pizza | 86 William Street | 27 yd | |
| The Chip Stop | 114 William Street | 222 yd | |
| Rhondda Takeaway | 66 Gelligaled Road | 312 yd | |
| The Udder Box / BrabzBurgerz Ltd | 49 Gelligaled Road | 466 yd | |
| May Flower Chinese | 164 Gelli Road | 1,060 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 | 0.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 0.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 0.0% |
| 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 | 52.2 Mbit/s |
| Average download speed | 49.8 Mbit/s |
| Minimum download speed | 79.66 Mbit/s |
| Maximum download speed | 79.66 Mbit/s |
| Median upload speed | 17.8 Mbit/s |
| Average upload speed | 14.3 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.