Derwendeg Avenue is in Cefn Fforest, Blackwood and in Caerphilly district. NP12 3LW is located in the Cefn Fforest and Pengam electoral ward, within the English Parliamentary constituency of Islwyn. This postcode has been in use since 1999-06-01.
StreetScan combines information about Derwendeg Avenue, Cefn Fforest, Blackwood, NP12 3LW and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: NP12 3LD, NP2 1JX, NP12 3JY, NP12 3JZ, NP12 3LA, NP12 3JX, NP12 3LE, NP12 3LB, NP12 3JS.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding NP12 3LW has a slightly higher male population, with 50.7% 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 | 49.4% | 49.3% | -0.1% | 51.0% | -1.7% |
| Male | 50.6% | 50.7% | 0.1% | 49.0% | 1.7% |
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 | 36.3% | 37.4% | 1.1% | 37.9% | -0.5% |
| Married: Opposite sex | 44% | 42.4% | -1.6% | 44.2% | -1.8% |
| Married: Same sex | 0% | 0.8% | 0.8% | 0.3% | 0.5% |
| Separated | 2.7% | 1.2% | -1.5% | 2.2% | -1.0% |
| Divorced | 9.7% | 12.5% | 2.8% | 9.1% | 3.4% |
| Widowed | 7.3% | 5.8% | -1.5% | 6.1% | -0.3% |
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.
This area has a lower percentage of residents reporting their health as Good or Very Good (70.9%) compared to the average (82%). This typically indicates either an older population or social deprivation in the area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 44.8% | 41.5% | -3.3% | 48.4% | -6.9% |
| Good health | 29.6% | 29.4% | -0.2% | 33.6% | -4.2% |
| Fair health | 16.4% | 17.3% | 0.9% | 12.7% | 4.6% |
| Bad health | 6.8% | 8.2% | 1.4% | 4.0% | 4.2% |
| Very bad health | 2.5% | 3.6% | 1.1% | 1.2% | 2.4% |
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 NP12 3LW this area, 35.3% 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 13.3%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 45.2% | 35.3% | -9.9% | 18.2% | 17.1% |
| 1-4 GCSEs or Equivalent | 18.9% | 11.8% | -7.1% | 9.6% | 2.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 13.1% | 12.9% | -0.2% | 13.4% | -0.5% |
| Apprenticeship | 2.3% | 8.6% | 6.3% | 5.3% | 3.3% |
| HNC, HND or 2+ A Levels | 10.8% | 14.9% | 4.1% | 16.9% | -2.0% |
| Degree or Similar | 5% | 13.3% | 8.3% | 33.8% | -20.5% |
| Other | 4.6% | 3.1% | -1.5% | 2.8% | 0.3% |
In this area, the population is predominantly white, with 99.3% 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 | 1.2% | 0% | -1.2% | 0.7% | -0.7% |
| Indian | 0.6% | 0% | -0.6% | 3.1% | -3.1% |
| Other Asian | 0.6% | 0% | -0.6% | 1.6% | -1.6% |
| Black African | 0.9% | 0% | -0.9% | 2.5% | -2.5% |
| Mixed White and African | 0.3% | 0% | -0.3% | 0.4% | -0.4% |
| Mixed White and Caribbean | 0.3% | 0% | -0.3% | 0.9% | -0.9% |
| Mixed Other | 0.6% | 0.7% | 0.1% | 0.8% | -0.1% |
| White | 95.4% | 99.3% | 3.9% | 81.4% | 17.9% |
In this area, 99% 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 | 97.8% | 99% | 1.2% | 83.2% | 15.8% |
| European Union | 0.3% | 0.3% | 0.0% | 6.1% | -5.8% |
| Africa | 0.6% | 0% | -0.6% | 2.7% | -2.7% |
| Middle East and Asia | 1.2% | 0.3% | -0.9% | 5.6% | -5.3% |
| The Americas and the Caribbean | 0% | 0.3% | 0.3% | 1.3% | -1.0% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 97.2% | 99% | 1.8% | 83.2% | 15.8% |
| 10+ Years | 0% | 0.7% | 0.7% | 9.8% | -9.1% |
| 5-10 Years | 0.9% | 0.3% | -0.6% | 2.9% | -2.6% |
| 2-5 Years | 0.3% | 0% | -0.3% | 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 | 72.4% | 76.7% | -4.3% |
| Ireland | 0.3% | 0.6% | -0.3% |
| North America and the Caribbean | 0.3% | 0.3% | 0.0% |
| No passport held | 27% | 13.5% | 13.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 65% | 37.2% | 27.8% |
| Christian | 25.4% | 46.2% | -20.8% |
| Not answered | 9.6% | 6.0% | 3.6% |
Over the last 12 months, the overall crime rate around Derwendeg Avenue was 21.9 per 1,000 residents, which is 77.9% lower than the Cefn Fforest and Pengam average. The most reported crime type was Anti-social behaviour.
Derwendeg Avenue has the 3rd lowest crime rate of 24 local areas in Cefn Fforest and Pengam and the 56th lowest crime rate of 569 local areas in Caerphilly .
Violent and sexual offences accounted for around 7.3 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -46.7%.
Households in this area have a lower level of wealth compared to the average household in England and Wales. 88% of analyzed areas in England and Wales have higher average household annual income than this area.
| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 36 Derwendeg Avenue, Blackwood, Caerphilly Semi-Detached, an established residential building | £150,000 | 2025-07-07 | £152,719 |
| 44 Derwendeg Avenue, Blackwood, Caerphilly Semi-Detached, an established residential building | £146,000 | 2023-02-17 | £160,270 |
| 28 Derwendeg Avenue, Blackwood, Caerphilly Semi-Detached, an established residential building | £139,950 | 2020-12-15 | £189,021 |
| 2 Derwendeg Avenue, Blackwood, Caerphilly Semi-Detached, an established residential building | £78,500 | 2017-06-16 | £129,059 |
| 28 Derwendeg Avenue, Blackwood, Caerphilly Semi-Detached, an established residential building | £82,000 | 2017-03-31 | £136,923 |
| Full-Time Employee | 84 |
| Retired | 51 |
| Part-Time Employee | 28 |
| Long-Term Sick or disabled | 26 |
| Self-Employed | 22 |
| Unemployed | 13 |
| Student (economically inactive) | 11 |
| Looking after home or family | 11 |
| Other | 10 |
| Full-Time Student (with or without job) | 0 |
| Manufacturing | 33 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 31 |
| Human health and social work activities | 13 |
| Accommodation and food service activities | 11 |
| Construction | 11 |
| Administrative and support service activities | 10 |
| Other | 10 |
| Transport and storage | 10 |
| Public administration and defence; compulsory social security | 6 |
| Professional, scientific and technical activities | 4 |
| Education | 3 |
| Financial and insurance activities | 2 |
| Real estate activities | 2 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Cefn Fforest Primary School Cefn Fforest Avenue , Cefn Fforest NP12 3JX | - not rated | 170 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Blackwood Comprehensive School Ty Isha Terrace , Cen Fforest NP12 1ER | - not rated | 769 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Gymraeg Trelyn Commercial Street , Pengam NP12 3ST | - not rated | 792 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Pengam Primary School Commercial Street , Pengam NP12 3ST | - not rated | 792 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Lewis School Pengam Gilfach , CF81 8LJ | - not rated | 814 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 |
|---|---|---|---|
| Pengam Curry Ltd | Britannia House, Pengam Road | 634 yd | |
| Brunchies | Unit A5, Pinewood Court (Block A), St Davids Industrial Estate | 687 yd | |
| Just Perfect Catering Limited | Cefn Glas, Maes-Y-Coed | 859 yd | |
| McDonalds | Crossways Retail Park | 1,059 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Central Club & Institute | 93-95 Cefn-Fforest Avenue | 117 yd | |
| Dagger Reform Club | 3 Waun Borfa Road | 258 yd | |
| Twynyffald Workmens Club | Twynyffald Social Club, 7-9 Twynyffald Road | 374 yd | |
| Top Club 18 Ltd | Bedwellty Road | 391 yd | |
| Majors | 1 Fairview | 644 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Flames Kebab & Pizza Blackwood | Shop, 89 Cefn Fforest Avenue | 117 yd | |
| The Avenue Fish Bar | 77 Cefn Fforest Avenue | 117 yd | |
| Wing Wai | 91 Cefn-Fforest Avenue | 118 yd | |
| Chan’s Fish Bar | 31 Waun Borfa Road | 258 yd | |
| Red Hot Goodies | 28 Apollo Way | 914 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 | 71.9 Mbit/s |
| Average download speed | 63.9 Mbit/s |
| Minimum download speed | 80 Mbit/s |
| Maximum download speed | 80 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 17.2 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.