Southern Street is in Caerphilly and in Rhymney Valley district. CF83 1LH is located in the St Martins electoral ward, within the English Parliamentary constituency of Caerphilly. This postcode has been in use since 1995-07-01.
StreetScan combines information about Southern Street, Caerphilly, CF83 1LH and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF83 1LB, CF83 1JZ, CF83 1LE, CF83 1LJ, CF83 1PP, CF83 1PJ, CF83 1LA, CF83 1LD, CF83 1PY.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF83 1LH is generally consistent with those figures, having a male population of 49.7%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 46.4% | 50.3% | 3.9% | 51.0% | -0.7% |
| Male | 53.6% | 49.7% | -3.9% | 49.0% | 0.7% |
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 1LH, a significant portion of the population is single, making up 45.4% 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 | 36.8% | 45.4% | 8.6% | 37.9% | 7.5% |
| Married: Opposite sex | 37.2% | 33.4% | -3.8% | 44.2% | -10.8% |
| Married: Same sex | 1% | 0.7% | -0.3% | 0.3% | 0.4% |
| Separated | 4.1% | 2.4% | -1.7% | 2.2% | 0.2% |
| Divorced | 13.5% | 10.9% | -2.6% | 9.1% | 1.8% |
| Widowed | 7.4% | 7.2% | -0.2% | 6.1% | 1.1% |
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 | 47% | 47.8% | 0.8% | 48.4% | -0.6% |
| Good health | 31.9% | 28.8% | -3.1% | 33.6% | -4.8% |
| Fair health | 14.8% | 15% | 0.2% | 12.7% | 2.3% |
| Bad health | 5.2% | 6.3% | 1.1% | 4.0% | 2.3% |
| Very bad health | 1.1% | 2% | 0.9% | 1.2% | 0.8% |
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 | 15.2% | 15% | -0.2% | 18.2% | -3.2% |
| 1-4 GCSEs or Equivalent | 17.2% | 9.6% | -7.6% | 9.6% | 0.0% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 19.3% | 14% | -5.3% | 13.4% | 0.6% |
| Apprenticeship | 3.7% | 4.1% | 0.4% | 5.3% | -1.2% |
| HNC, HND or 2+ A Levels | 13.2% | 21.2% | 8.0% | 16.9% | 4.3% |
| Degree or Similar | 27% | 33.8% | 6.8% | 33.8% | 0.0% |
| Other | 4.4% | 2.4% | -2.0% | 2.8% | -0.4% |
In this area, the population is predominantly white, with 98.6% 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) | |
|---|---|---|---|---|---|
| Indian | 0.8% | 0.3% | -0.5% | 3.1% | -2.8% |
| Other Asian | 0.3% | 0% | -0.3% | 1.6% | -1.6% |
| Mixed White and Asian | 0.3% | 0.6% | 0.3% | 0.8% | -0.2% |
| Mixed White and Caribbean | 0.3% | 0% | -0.3% | 0.9% | -0.9% |
| Mixed Other | 0.5% | 0.6% | 0.1% | 0.8% | -0.2% |
| White | 97.8% | 98.6% | 0.8% | 81.4% | 17.2% |
In this area, 97.4% 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 | 94.2% | 97.4% | 3.2% | 83.2% | 14.2% |
| European Union | 3.6% | 2.3% | -1.3% | 6.1% | -3.8% |
| Africa | 0.3% | 0% | -0.3% | 2.7% | -2.7% |
| Middle East and Asia | 1.1% | 0.3% | -0.8% | 5.6% | -5.3% |
| The Americas and the Caribbean | 0.5% | 0% | -0.5% | 1.3% | -1.3% |
| Oceania | 0.3% | 0% | -0.3% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 94.2% | 98% | 3.8% | 83.2% | 14.8% |
| 10+ Years | 1.1% | 1.7% | 0.6% | 9.8% | -8.1% |
| 5-10 Years | 1.1% | 0.3% | -0.8% | 2.9% | -2.6% |
| 2-5 Years | 1.6% | 0% | -1.6% | 2.2% | -2.2% |
| Less than 2 years | 1.9% | 0% | -1.9% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 81.8% | 76.7% | 5.1% |
| Ireland | 0.9% | 0.6% | 0.3% |
| Spain | 0.3% | 0.4% | -0.1% |
| Other EU countries | 0.3% | 1.5% | -1.2% |
| No passport held | 16.8% | 13.5% | 3.3% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 64% | 37.2% | 26.8% |
| Christian | 30% | 46.2% | -16.2% |
| Sikh | 0.3% | 0.9% | -0.6% |
| Other religion | 1.1% | 0.6% | 0.5% |
| Not answered | 4.6% | 6.0% | -1.4% |
Over the last 12 months, the overall crime rate around Southern Street was 245.1 per 1,000 residents, which is 118.6% higher than the Morgan Jones average. The most reported crime type was Violence and sexual offences.
Southern Street has the 13th highest crime rate of 91 local areas in Morgan Jones and the 38th highest crime rate of 569 local areas in Caerphilly .
Violent and sexual offences accounted for around 130.9 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has risen by about 22.0%.

Households in this area have a similar level of wealth to the average household in England and Wales. 51% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 8 Southern Street, Caerphilly, Caerphilly Terraced, an established residential building | £160,000 | 2023-12-12 | £171,001 |
| Flat A 19 Southern Street, Caerphilly, Caerphilly Other, an established residential building | £447,000 | 2023-09-07 | £458,957 |
| 9 Southern Street, Caerphilly, Caerphilly Terraced, an established residential building | £185,000 | 2021-03-12 | £240,819 |
| 2 Southern Street, Caerphilly, Caerphilly Terraced, an established residential building | £182,500 | 2020-10-30 | £246,678 |
| 2 Southern Street, Caerphilly, Caerphilly Terraced, an established residential building | £95,000 | 2019-11-08 | £138,122 |
| Full-Time Employee | 121 |
| Retired | 43 |
| Part-Time Employee | 42 |
| Self-Employed | 24 |
| Long-Term Sick or disabled | 21 |
| Unemployed | 11 |
| Student (economically inactive) | 9 |
| Full-Time Student (with or without job) | 8 |
| Looking after home or family | 7 |
| Other | 6 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 27 |
| Human health and social work activities | 25 |
| Manufacturing | 17 |
| Education | 17 |
| Public administration and defence; compulsory social security | 16 |
| Construction | 15 |
| Professional, scientific and technical activities | 15 |
| Accommodation and food service activities | 14 |
| Financial and insurance activities | 13 |
| Administrative and support service activities | 12 |
| Other | 8 |
| Transport and storage | 8 |
| Information and communication | 7 |
| 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 | |
|---|---|---|---|---|---|---|
| Twyn Primary School East View , CF83 1UT | - not rated | 75 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Gynradd Gymraeg Y Castell Crescent Road , CF83 1WH | - not rated | 685 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Martin's School Hillside , CF83 1UW | - not rated | 740 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol G.G. Caerffili Pontygwindy Road , CF83 3HG | - not rated | 979 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Plasyfelin Primary Lewis Drive , Churchill Park CF83 3FT | - not rated | 1,114 yd | Welsh establishment | Not Applicable | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Ten Degrees at Market Street | 13 Market Street | 214 yd | |
| Raj of India | Raj Of India, 8 Market Street | 214 yd | |
| Casa Mia | 4, 4-6 The Twyn | 249 yd | |
| Fablas Ice Cream Ltd | Unit 31, Castle Court | 256 yd | |
| Consurio Lounge | Unit 30, Castle Court | 264 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Caerphilly Municipal Club | Municipal Club, Market Street | 229 yd | |
| Caerphilly Conservative Club | 43-45 Bartlett Street | 318 yd | |
| Caerphilly Social Club | 44 Castle Street | 353 yd | |
| The Aviary (Caerphilly ) Ltd | Uned A, 42 Cardiff Road | 422 yd | |
| The Court House | The Courthouse, Cardiff Road | 433 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Great Wall | 146 Van Road | 188 yd | |
| Golden House | 9 Market Street | 214 yd | |
| New Caerphilly Fish Bar | 6 Bartlett Street | 392 yd | |
| Lazy Panda | Unit A, 76 Cardiff Road | 450 yd | |
| My Cod Fish Bar | 57 Cardiff Road | 461 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Morrisons | Castle Court | 275 yd | |
| Iceland | 6-12 Cardiff Road | 355 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 | 94.4% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 88.9% |
| 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 | 69.9 Mbit/s |
| Average download speed | 94.9 Mbit/s |
| Minimum download speed | 200 Mbit/s |
| Maximum download speed | 200 Mbit/s |
| Median upload speed | 13.9 Mbit/s |
| Average upload speed | 14.3 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.