King Street is in Abercynon, Mountain Ash and in Cynon Valley district. CF45 4UW is located in the Abercynon electoral ward, within the English Parliamentary constituency of Cynon Valley. This postcode has been in use since 1980-01-01.
StreetScan combines information about King Street, Abercynon, Mountain Ash, CF45 4UW and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF45 4UL, CF45 4UP, CF45 4UN, CF45 4UR, CF45 4UG, CF45 4EH, CF45 4EL, CF45 4UH, CF45 4YA.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF45 4UW is generally consistent with those figures, having a male population of 48.7%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 50.6% | 51.3% | 0.7% | 51.0% | 0.3% |
| Male | 49.4% | 48.7% | -0.7% | 49.0% | -0.3% |
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 CF45 4UW there is a very large concentration of residents that are married - 55.1% 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% | 26.4% | -6.2% | 37.9% | -11.5% |
| Married: Opposite sex | 49.8% | 55.1% | 5.3% | 44.2% | 10.9% |
| Married: Same sex | 0% | 0.9% | 0.9% | 0.3% | 0.6% |
| Separated | 1.3% | 1.3% | 0.0% | 2.2% | -0.9% |
| Divorced | 7.9% | 10.6% | 2.7% | 9.1% | 1.5% |
| Widowed | 8.4% | 5.7% | -2.7% | 6.1% | -0.4% |
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 | 40.6% | 41.8% | 1.2% | 48.4% | -6.6% |
| Good health | 32.5% | 35.1% | 2.6% | 33.6% | 1.5% |
| Fair health | 17% | 18.7% | 1.7% | 12.7% | 6.0% |
| Bad health | 8.9% | 3.4% | -5.5% | 4.0% | -0.6% |
| Very bad health | 1.1% | 1.1% | 0.0% | 1.2% | -0.1% |
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.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 25.1% | 21.2% | -3.9% | 18.2% | 3.0% |
| 1-4 GCSEs or Equivalent | 11.3% | 5.8% | -5.5% | 9.6% | -3.8% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.1% | 14.6% | -0.5% | 13.4% | 1.2% |
| Apprenticeship | 4.6% | 5.8% | 1.2% | 5.3% | 0.5% |
| HNC, HND or 2+ A Levels | 11.7% | 16.4% | 4.7% | 16.9% | -0.5% |
| Degree or Similar | 28% | 35.8% | 7.8% | 33.8% | 2.0% |
| Other | 4.2% | 0.4% | -3.8% | 2.8% | -2.4% |
In this area, the population is predominantly white, with 98.1% 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% | 0% | -1.1% | 3.1% | -3.1% |
| Black African | 0.4% | 0% | -0.4% | 2.5% | -2.5% |
| Mixed White and Asian | 0% | 1.1% | 1.1% | 0.8% | 0.3% |
| Mixed White and Caribbean | 0.4% | 0% | -0.4% | 0.9% | -0.9% |
| Mixed Other | 0% | 0.4% | 0.4% | 0.8% | -0.4% |
| White | 98.2% | 98.1% | -0.1% | 81.4% | 16.7% |
In this area, 98.9% 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 | 97.4% | 98.9% | 1.5% | 83.2% | 15.7% |
| European Union | 0% | 0.7% | 0.7% | 6.1% | -5.4% |
| Africa | 0.7% | 0% | -0.7% | 2.7% | -2.7% |
| Middle East and Asia | 1.1% | 0.4% | -0.7% | 5.6% | -5.2% |
| Oceania | 0.7% | 0% | -0.7% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 97% | 98.9% | 1.9% | 83.2% | 15.7% |
| 10+ Years | 0% | 0.7% | 0.7% | 9.8% | -9.1% |
| 5-10 Years | 0% | 0.4% | 0.4% | 2.9% | -2.5% |
| 2-5 Years | 0.4% | 0% | -0.4% | 2.2% | -2.2% |
| Less than 2 years | 2.6% | 0% | -2.6% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 85.5% | 76.7% | 8.8% |
| Other EU countries | 0.4% | 1.5% | -1.1% |
| No passport held | 14.1% | 13.5% | 0.6% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 50.4% | 37.2% | 13.2% |
| Christian | 47% | 46.2% | 0.8% |
| Not answered | 2.6% | 6.0% | -3.4% |
Over the last 12 months, the overall crime rate around King Street was 62.5 per 1,000 residents, which is 24.8% lower than the Abercynon average. The most reported crime type was Anti-social behaviour.
King Street has the 9th lowest crime rate of 20 local areas in Abercynon and the 382nd lowest crime rate of 797 local areas in Rhondda Cynon Taf .
Violent and sexual offences accounted for around 11.7 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -12.0%.

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 |
|---|---|---|---|
| 12 King Street, Mountain Ash, Rhondda Cynon Taff Semi-Detached, an established residential building | £95,000 | 2023-11-24 | £101,100 |
| 1 King Street, Mountain Ash, Rhondda Cynon Taff Terraced, an established residential building | £93,000 | 2021-09-03 | £111,335 |
| 10 King Street, Mountain Ash, Rhondda Cynon Taff Terraced, an established residential building | £107,500 | 2020-02-04 | £155,021 |
| 9 King Street, Mountain Ash, Rhondda Cynon Taff Terraced, an established residential building | £125,000 | 2019-09-27 | £180,516 |
| 8 King Street, Mountain Ash, Rhondda Cynon Taff Terraced, an established residential building | £120,000 | 2017-12-05 | £182,719 |
CF45 4UW 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 | 81 |
| Retired | 54 |
| Part-Time Employee | 32 |
| Self-Employed | 20 |
| Long-Term Sick or disabled | 9 |
| Student (economically inactive) | 9 |
| Other | 8 |
| Looking after home or family | 5 |
| Full-Time Student (with or without job) | 5 |
| Unemployed | 4 |
| Human health and social work activities | 25 |
| Manufacturing | 20 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 19 |
| Construction | 13 |
| Education | 13 |
| Public administration and defence; compulsory social security | 12 |
| Financial and insurance activities | 7 |
| Other | 6 |
| Professional, scientific and technical activities | 5 |
| Accommodation and food service activities | 4 |
| Administrative and support service activities | 3 |
| Transport and storage | 2 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Information and communication | 1 |
| Mining and quarrying | 1 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Ysgol Gymraeg Abercynon Greenfield Terrace , Glancynon CF45 4TH | - not rated | 465 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Edwardsville Primary School Cardiff Road , Edwardsville CF46 5NE | - not rated | 1,481 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Llanfabon Infants School Bryncelyn Avenue , Nelson CF46 6HL | - not rated | 2,595 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Trelewis Primary School Trelewis , Treharris CF46 6AH | - not rated | 2,905 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Llancaeach Junior School Commercial Street , Nelson CF46 6NF | - not rated | 3,051 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 |
|---|---|---|---|
| Little Playhouse Ltd | 1 Ynysmeurig Road | 819 yd | |
| Goochie's Diner | 21 Ynysmeurig Road | 827 yd | |
| The Jellyfish Cafe | 51 Margaret Street | 893 yd | |
| Fives Cafe | 16 Margaret Street | 909 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Thorn Hotel | Mountain Ash Road | 798 yd | |
| Whitehall Golf Club | Whitehall Golf Club, Quakers Yard | 864 yd | |
| Abercynon Rugby Football Club | The Clubhouse, Y Parc | 879 yd | |
| Brown's Inns at The Top Club | Margaret Street | 896 yd | |
| Lindsay Constitutional Club | 44 Gertrude Street | 992 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Leon's Chinese | 56 Glancynon Terrace | 483 yd | |
| Magic Wok | 43 Margaret Street | 893 yd | |
| Taj Mahal | 2 Margaret Street | 898 yd | |
| Crazy Pasta and Pizza | 14 Margaret Street | 909 yd | |
| Golden Wok | 3 Margaret Street | 909 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 | 33.2 Mbit/s |
| Average download speed | 29.9 Mbit/s |
| Minimum download speed | 38.43 Mbit/s |
| Maximum download speed | 38.43 Mbit/s |
| Median upload speed | 5.8 Mbit/s |
| Average upload speed | 5.1 Mbit/s |
| Maximum upload speed | 8.56 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.