William Street is in Ystrad, Pentre and in Rhondda district. CF41 7QR 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 7QR and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF41 7QS, CF41 7QP, CF41 7QB, CF41 7UE, CF41 7PY, CF41 7QD, CF41 7UD, CF41 7UF, CF41 7UW.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding CF41 7QR has a slightly higher male population, with 51.8% 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 | 54.2% | 48.2% | -6.0% | 51.0% | -2.8% |
| Male | 45.8% | 51.8% | 6.0% | 49.0% | 2.8% |
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 CF41 7QR there is a very large concentration of residents that are married - 52.8% 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 | 28% | 31.7% | 3.7% | 37.9% | -6.2% |
| Married: Opposite sex | 54.9% | 52.8% | -2.1% | 44.2% | 8.6% |
| Separated | 1.2% | 1.9% | 0.7% | 2.2% | -0.3% |
| Divorced | 9.8% | 7.5% | -2.3% | 9.1% | -1.6% |
| Widowed | 6.1% | 6% | -0.1% | 6.1% | -0.1% |
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 | 46.1% | 45.6% | -0.5% | 48.4% | -2.8% |
| Good health | 28.5% | 30.3% | 1.8% | 33.6% | -3.3% |
| Fair health | 15.9% | 15% | -0.9% | 12.7% | 2.3% |
| Bad health | 7.1% | 7% | -0.1% | 4.0% | 3.0% |
| Very bad health | 2.4% | 2.1% | -0.3% | 1.2% | 0.9% |
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.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 32.9% | 25.7% | -7.2% | 18.2% | 7.5% |
| 1-4 GCSEs or Equivalent | 15% | 6.4% | -8.6% | 9.6% | -3.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 13% | 13.2% | 0.2% | 13.4% | -0.2% |
| Apprenticeship | 4.5% | 9.8% | 5.3% | 5.3% | 4.5% |
| HNC, HND or 2+ A Levels | 10.2% | 14% | 3.8% | 16.9% | -2.9% |
| Degree or Similar | 20.3% | 28.3% | 8.0% | 33.8% | -5.5% |
| Other | 4.1% | 2.6% | -1.5% | 2.8% | -0.2% |
In this area, the population is predominantly white, with 97.5% 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) | |
|---|---|---|---|---|---|
| Other Asian | 1.7% | 0.9% | -0.8% | 1.6% | -0.7% |
| Black African | 0% | 0.3% | 0.3% | 2.5% | -2.2% |
| Mixed White and Asian | 0.3% | 0% | -0.3% | 0.8% | -0.8% |
| Mixed White and African | 0% | 0.6% | 0.6% | 0.4% | 0.2% |
| Mixed White and Caribbean | 1% | 0% | -1.0% | 0.9% | -0.9% |
| Mixed Other | 0.3% | 0% | -0.3% | 0.8% | -0.8% |
| White | 96.6% | 97.5% | 0.9% | 81.4% | 16.1% |
| Other | 0% | 0.6% | 0.6% | 1.6% | -1.0% |
In this area, 98.2% 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 | 98% | 98.2% | 0.2% | 83.2% | 15.0% |
| European Union | 0.3% | 0% | -0.3% | 6.1% | -6.1% |
| Rest of Europe | 0% | 0.3% | 0.3% | 0.8% | -0.5% |
| Africa | 0% | 0.6% | 0.6% | 2.7% | -2.1% |
| Middle East and Asia | 1.7% | 0.9% | -0.8% | 5.6% | -4.7% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 97.6% | 97.9% | 0.3% | 83.2% | 14.7% |
| 10+ Years | 0% | 2.1% | 2.1% | 9.8% | -7.7% |
| 2-5 Years | 1.7% | 0% | -1.7% | 2.2% | -2.2% |
| Less than 2 years | 0.7% | 0% | -0.7% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 82.6% | 76.7% | 5.9% |
| Turkey | 0.3% | 0.1% | 0.2% |
| South and Eastern Africa | 0.3% | 0.2% | 0.1% |
| South-East Asia | 0.3% | 0.2% | 0.1% |
| No passport held | 16.5% | 13.5% | 3.0% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 60.9% | 37.2% | 23.7% |
| Christian | 30.6% | 46.2% | -15.6% |
| Muslim | 0.9% | 6.5% | -5.6% |
| Not answered | 7.6% | 6.0% | 1.6% |
Over the last 12 months, the overall crime rate around William Street was 16.3 per 1,000 residents, which is 87.8% lower than the Llwyn-y-pia average. The most reported crime type was Criminal damage and arson.
William Street has the lowest crime rate of 30 local areas in Llwyn-y-pia and the 75th lowest crime rate of 797 local areas in Rhondda Cynon Taf .
Violent and sexual offences accounted for around 3.3 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has risen by about 53.8%.

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 |
|---|---|---|---|
| 22 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £88,000 | 2025-07-01 | £87,307 |
| 21 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £182,250 | 2025-03-21 | £185,376 |
| 20 William Street, Pentre, Rhondda Cynon Taff Detached, an established residential building | £146,000 | 2024-10-25 | £148,367 |
| 22 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £50,000 | 2023-12-07 | £53,390 |
| Tenby House, 19 William Street, Pentre, Rhondda Cynon Taff Terraced, an established residential building | £170,000 | 2023-09-25 | £174,679 |
CF41 7QR 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 | 80 |
| Retired | 69 |
| Part-Time Employee | 29 |
| Self-Employed | 25 |
| Long-Term Sick or disabled | 19 |
| Looking after home or family | 15 |
| Unemployed | 9 |
| Other | 7 |
| Student (economically inactive) | 7 |
| Full-Time Student (with or without job) | 4 |
| Human health and social work activities | 27 |
| Manufacturing | 18 |
| Education | 18 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 15 |
| Construction | 10 |
| Administrative and support service activities | 7 |
| Public administration and defence; compulsory social security | 7 |
| Other | 5 |
| Financial and insurance activities | 4 |
| Water supply; sewerage, waste management and remediation activities | 3 |
| Agriculture, forestry and fishing | 2 |
| Transport and storage | 2 |
| Professional, scientific and technical activities | 2 |
| Accommodation and food service activities | 1 |
| Information and communication | 1 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Gelli Primary School Ystrad Road , Ystrad CF41 7PX | - not rated | 251 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Bodringallt Primary School Bodringallt Terrace , Ystrad CF41 7QE | - not rated | 536 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol G.G. Bodringallt Bryn Terrace , Ystrad CF41 7RX | - not rated | 574 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol G.G. Bronllwyn Colwyn Road , Gelli CF41 7NW | - not rated | 979 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ton Infants School School Street , Ton Pentre CF41 7LS | - not rated | 1,030 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 |
|---|---|---|---|
| Delicious | 28 William Street | 7 yd | |
| Eat and Greet Cafe and Catering | 70 William Street | 276 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Greenfield Hotel | 13-14 William Street | 7 yd | |
| The Con | 51 William Street | 268 yd | |
| Ystrad Rhondda RFC | 82 Gelligaled Road | 619 yd | |
| Gelli & Ton Pentre Hibernian | 142-144 Gelli Road | 700 yd | |
| Ton Pentre AFC Social Club | Llanfoist Street | 1,000 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Chip Stop | 114 William Street | 69 yd | |
| Tasty Pizza | 86 William Street | 292 yd | |
| Rhondda Takeaway | 66 Gelligaled Road | 586 yd | |
| The Udder Box / BrabzBurgerz Ltd | 49 Gelligaled Road | 740 yd | |
| May Flower Chinese | 164 Gelli Road | 822 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 | 59.3 Mbit/s |
| Average download speed | 65.3 Mbit/s |
| Minimum download speed | 80 Mbit/s |
| Maximum download speed | 80 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 18.1 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.