Gelli Terrace is in Senghenydd, Caerphilly and in Caerphilly district. CF83 4EX is located in the Aber Valley electoral ward, within the English Parliamentary constituency of Caerphilly. This postcode has been in use since 2005-11-01.
StreetScan combines information about Gelli Terrace, Senghenydd, Caerphilly, CF83 4EX and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF83 4FQ, CF83 4FB, CF83 4FX, CF83 4FT, CF83 4FJ, CF83 4FN, CF83 4FL, CF83 4FP, CF83 4FE.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding CF83 4EX has a slightly higher male population, with 50.4% 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 | 51.8% | 49.6% | -2.2% | 51.0% | -1.4% |
| Male | 48.3% | 50.4% | 2.1% | 49.0% | 1.4% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
In the immediate area around CF83 4EX, a significant portion of the population is single, making up 50.6% of the residents. On average, approximately 38% of individuals who responded to the census in the UK were single. Areas with higher single populations are typically urban centers, university towns, regions with dynamic job markets, rich cultural offerings and entertainment facilities. These regions also tend to have a younger demographic.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 49.5% | 50.6% | 1.1% | 37.9% | 12.7% |
| Married: Opposite sex | 37.1% | 32.7% | -4.4% | 44.2% | -11.5% |
| Separated | 1.8% | 3.7% | 1.9% | 2.2% | 1.5% |
| Divorced | 9.9% | 10.8% | 0.9% | 9.1% | 1.7% |
| Widowed | 1.8% | 2.2% | 0.4% | 6.1% | -3.9% |
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 | 48% | 40.3% | -7.7% | 48.4% | -8.1% |
| Good health | 25.5% | 34.6% | 9.1% | 33.6% | 1.0% |
| Fair health | 15.5% | 14.7% | -0.8% | 12.7% | 2.0% |
| Bad health | 9% | 7.8% | -1.2% | 4.0% | 3.8% |
| Very bad health | 2% | 2.6% | 0.6% | 1.2% | 1.4% |
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 CF83 4EX this area, 38.3% 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 14.5%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 44.9% | 38.3% | -6.6% | 18.2% | 20.1% |
| 1-4 GCSEs or Equivalent | 19.4% | 10.8% | -8.6% | 9.6% | 1.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.2% | 14.1% | -1.1% | 13.4% | 0.7% |
| Apprenticeship | 1.4% | 4.1% | 2.7% | 5.3% | -1.2% |
| HNC, HND or 2+ A Levels | 9.9% | 16% | 6.1% | 16.9% | -0.9% |
| Degree or Similar | 7.4% | 14.5% | 7.1% | 33.8% | -19.3% |
| Other | 1.8% | 2.2% | 0.4% | 2.8% | -0.6% |
In this area, the population is predominantly white, with 99.5% 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) | |
|---|---|---|---|---|---|
| Bangladeshi | 0.3% | 0% | -0.3% | 1.1% | -1.1% |
| Mixed White and African | 0% | 0.3% | 0.3% | 0.4% | -0.1% |
| Mixed White and Caribbean | 0% | 0.3% | 0.3% | 0.9% | -0.6% |
| White | 99.8% | 99.5% | -0.3% | 81.4% | 18.1% |
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 | 95.8% | 99% | 3.2% | 83.2% | 15.8% |
| European Union | 3.8% | 1% | -2.8% | 6.1% | -5.1% |
| Middle East and Asia | 0.5% | 0% | -0.5% | 5.6% | -5.6% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 95.8% | 98.2% | 2.4% | 83.2% | 15.0% |
| 10+ Years | 0.5% | 1.5% | 1.0% | 9.8% | -8.3% |
| 5-10 Years | 2% | 0.3% | -1.7% | 2.9% | -2.6% |
| 2-5 Years | 0.8% | 0% | -0.8% | 2.2% | -2.2% |
| Less than 2 years | 1% | 0% | -1.0% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 61.9% | 76.7% | -14.8% |
| Other EU countries | 0.5% | 1.5% | -1.0% |
| No passport held | 37.6% | 13.5% | 24.1% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 71.4% | 37.2% | 34.2% |
| Christian | 21.7% | 46.2% | -24.5% |
| Jewish | 0.3% | 0.5% | -0.2% |
| Not answered | 6.6% | 6.0% | 0.6% |
Over the last 12 months, the overall crime rate around Gelli Terrace was 276.9 per 1,000 residents, which is 188.7% higher than the Aber Valley average. The most reported crime type was Violence and sexual offences.
Gelli Terrace has the highest crime rate of 19 local areas in Aber Valley and the 26th highest crime rate of 569 local areas in Caerphilly .
Violent and sexual offences accounted for around 180.1 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has risen by about 10.6%.

Households in this area have a much lower level of wealth compared to the average household in England and Wales. 92% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| Flat 3 Sanctuary Court Gelli Terrace, Caerphilly, Caerphilly Flats/Maisonettes, an established residential building | £72,000 | 2023-04-27 | £75,797 |
| Flat 1 Sanctuary Court Gelli Terrace, Caerphilly, Caerphilly Flats/Maisonettes, an established residential building | £90,000 | 2021-02-22 | £107,957 |
| Flat 3 Sanctuary Court Gelli Terrace, Caerphilly, Caerphilly Flats/Maisonettes, a newly built property | £109,995 | 2006-01-27 | £148,144 |
| Full-Time Employee | 60 |
| Looking after home or family | 40 |
| Retired | 36 |
| Long-Term Sick or disabled | 36 |
| Part-Time Employee | 26 |
| Other | 23 |
| Self-Employed | 18 |
| Student (economically inactive) | 14 |
| Unemployed | 13 |
| Full-Time Student (with or without job) | 4 |
| Manufacturing | 24 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 21 |
| Education | 13 |
| Construction | 12 |
| Human health and social work activities | 11 |
| Public administration and defence; compulsory social security | 9 |
| Administrative and support service activities | 7 |
| Other | 7 |
| Accommodation and food service activities | 7 |
| Transport and storage | 4 |
| Professional, scientific and technical activities | 3 |
| Financial and insurance activities | 3 |
| Information and communication | 2 |
| Electricity, gas, steam and air conditioning supply | 2 |
| Real estate activities | 1 |
| Agriculture, forestry and fishing | 1 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Ysgol Ifor Bach Windsor Way , Abertridwr CF83 4AB | - not rated | 402 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Cwmaber Infant School Bryngelli Terrace , Abertridwr CF83 4FF | - not rated | 432 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Cwmaber Junior School Brynhafod Road , Abertridwr CF83 4BH | - not rated | 661 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Nant Y Parc Primary School Universal Site , Senghenydd CF83 4GY | - not rated | 1,041 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Cwm Ifor Primary School Heol Aneurin , Penyrheol CF83 2PG | - not rated | 2,908 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 |
|---|---|---|---|
| Oasis Coffee Shop | 2 Thomas Street | 769 yd | |
| Dwell Coffee Shop | 83 Commercial Street | 798 yd | |
| Crave the Dish | Aber Hotel, Ilan Road | 988 yd | |
| Four Seasons at The Aber | Aber Hotel, Ilan Road | 988 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| YMCA | Y.M.C.A, Brynhafod Road | 631 yd | |
| R A O B Social Club | R A O B Social Club, The Square | 721 yd | |
| Senghenydd RFC | Welfare Ground | 895 yd | |
| Aber & Senghenydd Ex-Servicemens Club | 18-19 Gwern Avenue | 895 yd | |
| Aber Hotel | Aber Hotel, Ilan Road | 988 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Dinas Spice | 103a High Street | 442 yd | |
| Capital Chef | Shop Unit, 23 Thomas Street | 791 yd | |
| Angel House | 9 Thomas Street | 793 yd | |
| Sam's Grill House | Shop Unit, 1-3 Thomas Street | 793 yd | |
| Wales Kebab House | 17 Thomas Street | 793 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 | 100.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 100.0% |
| 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% |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.