King Street is in Cwmfelinfach, Newport and in Islwyn district. NP11 7HL is located in the Ynysddu electoral ward, within the English Parliamentary constituency of Islwyn. This postcode has been in use since 1999-06-01.
StreetScan combines information about King Street, Cwmfelinfach, Newport, NP11 7HL and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: NP11 7HR, NP11 7HQ, NP11 7HJ, NP11 7HW, NP11 7HP, NP11 7HS, NP11 7HE, NP11 7HT, NP11 7HU.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around NP11 7HL is generally consistent with those figures, having a male population of 48.1%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 56.1% | 51.9% | -4.2% | 51.0% | 0.9% |
| Male | 43.9% | 48.1% | 4.2% | 49.0% | -0.9% |
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 | 31% | 36.3% | 5.3% | 37.9% | -1.6% |
| Married: Opposite sex | 52.1% | 45.8% | -6.3% | 44.2% | 1.6% |
| Separated | 3.2% | 3.2% | 0.0% | 2.2% | 1.0% |
| Divorced | 8.8% | 9.8% | 1.0% | 9.1% | 0.7% |
| Widowed | 4.9% | 4.9% | 0.0% | 6.1% | -1.2% |
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 | 45.5% | 45.1% | -0.4% | 48.4% | -3.3% |
| Good health | 33.2% | 39.1% | 5.9% | 33.6% | 5.5% |
| Fair health | 15% | 10.7% | -4.3% | 12.7% | -2.0% |
| Bad health | 4.5% | 4.9% | 0.4% | 4.0% | 0.9% |
| Very bad health | 1.8% | 0.2% | -1.6% | 1.2% | -1.0% |
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.
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 21.3%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 33.1% | 21.3% | -11.8% | 18.2% | 3.1% |
| 1-4 GCSEs or Equivalent | 15.1% | 11.8% | -3.3% | 9.6% | 2.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 14.8% | 19.5% | 4.7% | 13.4% | 6.1% |
| Apprenticeship | 4.6% | 4% | -0.6% | 5.3% | -1.3% |
| HNC, HND or 2+ A Levels | 13% | 19.8% | 6.8% | 16.9% | 2.9% |
| Degree or Similar | 14.4% | 21.3% | 6.9% | 33.8% | -12.5% |
| Other | 4.9% | 2.3% | -2.6% | 2.8% | -0.5% |
In this area, the population is predominantly white, with 98.2% 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) | |
|---|---|---|---|---|---|
| Black African | 0.3% | 0% | -0.3% | 2.5% | -2.5% |
| Mixed White and Asian | 0% | 0.2% | 0.2% | 0.8% | -0.6% |
| Mixed White and African | 0% | 0.7% | 0.7% | 0.4% | 0.3% |
| Mixed White and Caribbean | 0% | 0.4% | 0.4% | 0.9% | -0.5% |
| Mixed Other | 0.5% | 0.2% | -0.3% | 0.8% | -0.6% |
| White | 99.2% | 98.2% | -1.0% | 81.4% | 16.8% |
| Other | 0% | 0.2% | 0.2% | 1.6% | -1.4% |
In this area, 97.6% 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 | 99.2% | 97.6% | -1.6% | 83.2% | 14.4% |
| European Union | 0.3% | 2.2% | 1.9% | 6.1% | -3.9% |
| Africa | 0.5% | 0% | -0.5% | 2.7% | -2.7% |
| The Americas and the Caribbean | 0% | 0.2% | 0.2% | 1.3% | -1.1% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 99.2% | 97.6% | -1.6% | 83.2% | 14.4% |
| 10+ Years | 0% | 1.6% | 1.6% | 9.8% | -8.2% |
| 5-10 Years | 0% | 0.9% | 0.9% | 2.9% | -2.0% |
| 2-5 Years | 0.3% | 0% | -0.3% | 2.2% | -2.2% |
| Less than 2 years | 0.5% | 0% | -0.5% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 76.3% | 76.7% | -0.4% |
| Ireland | 0.9% | 0.6% | 0.3% |
| Spain | 0.4% | 0.4% | 0.0% |
| Lithuania | 0.4% | 0.3% | 0.1% |
| Poland | 0.4% | 1.3% | -0.9% |
| No passport held | 21.5% | 13.5% | 8.0% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 71.8% | 37.2% | 34.6% |
| Christian | 25.9% | 46.2% | -20.3% |
| Other religion | 0.2% | 0.6% | -0.4% |
| Not answered | 2% | 6.0% | -4.0% |
Over the last 12 months, the overall crime rate around King Street was 141.6 per 1,000 residents, which is 58.6% higher than the Crosskeys average. The most reported crime type was Anti-social behaviour.
King Street has the 2nd highest crime rate of 18 local areas in Crosskeys and the 117th highest crime rate of 569 local areas in Caerphilly .
Violent and sexual offences accounted for around 69.7 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has risen by about 5.0%.

Households in this area have a lower level of wealth compared to the average household in England and Wales. 82% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 45 King Street, Newport, Caerphilly Detached, an established residential building | £320,000 | 2025-09-22 | £320,000 |
| 20 King Street, Newport, Caerphilly Terraced, an established residential building | £65,000 | 2024-04-05 | £70,612 |
| 33 King Street, Newport, Caerphilly Terraced, an established residential building | £104,000 | 2024-03-28 | £112,516 |
| 8 King Street, Newport, Caerphilly Terraced, an established residential building | £152,500 | 2024-01-05 | £164,819 |
| 21 King Street, Newport, Caerphilly Terraced, an established residential building | £120,000 | 2023-02-08 | £130,763 |
| Full-Time Employee | 156 |
| Retired | 52 |
| Part-Time Employee | 38 |
| Long-Term Sick or disabled | 24 |
| Self-Employed | 20 |
| Student (economically inactive) | 19 |
| Unemployed | 15 |
| Looking after home or family | 14 |
| Full-Time Student (with or without job) | 7 |
| Other | 4 |
| Manufacturing | 56 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 20 |
| Construction | 19 |
| Human health and social work activities | 19 |
| Education | 9 |
| Administrative and support service activities | 8 |
| Accommodation and food service activities | 7 |
| Public administration and defence; compulsory social security | 7 |
| Other | 5 |
| Transport and storage | 5 |
| Financial and insurance activities | 4 |
| Professional, scientific and technical activities | 3 |
| Real estate activities | 2 |
| Information and communication | 2 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Agriculture, forestry and fishing | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Cwmfelinfach Primary School King Street , Cwmfelinfach NP11 7HL | - not rated | 112 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ynysddu Primary School High Street , Ynysddu NP11 7JH | - not rated | 586 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Cwm Glas Infant School Pant Glas , Llanbradach CF83 3PD | - not rated | 3,350 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Graig-Y-Rhacca Primary and Nursery Community School Addison Way , Machen CF83 8WW | - not rated | 3,373 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Tyn - y - Wern Primary Navigator Street , Trethomas CF83 8BR | - not rated | 3,468 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 |
|---|---|---|---|
| Forestier Walkers Club | Forestier Walker Conservative Club, Islwyn Street | 387 yd | |
| Cwmfelinfach Workingmens Club | Cwmfelinfach Workmens Constitu, 1-2 Hill View | 429 yd | |
| Ynysddu Rugby Football Club | Club House, Graig View | 498 yd | |
| Ynysddu Workingmens Club | 1a Commercial Street | 872 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Dragon Inn | 4 Bridge View | 213 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 | 61.3 Mbit/s |
| Average download speed | 58.9 Mbit/s |
| Minimum download speed | 80 Mbit/s |
| Maximum download speed | 80 Mbit/s |
| Median upload speed | 17 Mbit/s |
| Average upload speed | 13.6 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.