Thomas Street is in Treharris and in Merthyr Tydfil district. CF46 5LG is located in the Treharris electoral ward, within the English Parliamentary constituency of Merthyr Tydfil and Rhymney. This postcode has been in use since 1980-01-01.
StreetScan combines information about Thomas Street, Treharris, CF46 5LG and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF46 5AA, CF46 5PR, CF46 5LF, CF46 5LL, CF46 5EU, CF46 5ER, CF46 5BJ, CF46 5PT, CF46 5LH.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding CF46 5LG has a slightly higher male population, with 51.7% 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 | 50.5% | 48.3% | -2.2% | 51.0% | -2.7% |
| Male | 49.5% | 51.7% | 2.2% | 49.0% | 2.7% |
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 | 35.5% | 41.4% | 5.9% | 37.9% | 3.5% |
| Married: Opposite sex | 47.7% | 44.4% | -3.3% | 44.2% | 0.2% |
| Married: Same sex | 0% | 0.4% | 0.4% | 0.3% | 0.1% |
| Separated | 2.3% | 0% | -2.3% | 2.2% | -2.2% |
| Divorced | 9.4% | 7.7% | -1.7% | 9.1% | -1.4% |
| Widowed | 5.1% | 6.1% | 1.0% | 6.1% | 0.0% |
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 | 42.3% | 40.3% | -2.0% | 48.4% | -8.1% |
| Good health | 29.2% | 34.2% | 5.0% | 33.6% | 0.6% |
| Fair health | 17.7% | 16.7% | -1.0% | 12.7% | 4.0% |
| Bad health | 6.6% | 7% | 0.4% | 4.0% | 3.0% |
| Very bad health | 4.3% | 1.8% | -2.5% | 1.2% | 0.6% |
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 | 22.3% | 22% | -0.3% | 18.2% | 3.8% |
| 1-4 GCSEs or Equivalent | 18.8% | 10.2% | -8.6% | 9.6% | 0.6% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 14.5% | 13.6% | -0.9% | 13.4% | 0.2% |
| Apprenticeship | 6.3% | 6.4% | 0.1% | 5.3% | 1.1% |
| HNC, HND or 2+ A Levels | 13.3% | 20.8% | 7.5% | 16.9% | 3.9% |
| Degree or Similar | 18% | 25% | 7.0% | 33.8% | -8.8% |
| Other | 7% | 1.9% | -5.1% | 2.8% | -0.9% |
In this area, the population is predominantly white, with 98.8% 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% | 0.3% | 0.3% | 1.1% | -0.8% |
| Chinese | 0% | 0.3% | 0.3% | 0.7% | -0.4% |
| Indian | 0.3% | 0.6% | 0.3% | 3.1% | -2.5% |
| Other Asian | 0.3% | 0% | -0.3% | 1.6% | -1.6% |
| Mixed White and Caribbean | 0.3% | 0% | -0.3% | 0.9% | -0.9% |
| Mixed Other | 0.3% | 0% | -0.3% | 0.8% | -0.8% |
| White | 97.4% | 98.8% | 1.4% | 81.4% | 17.4% |
| Gypsy or Irish Traveller | 0.3% | 0% | -0.3% | 0.1% | -0.1% |
| Arab | 0.3% | 0% | -0.3% | 0.6% | -0.6% |
| Other | 0.7% | 0% | -0.7% | 1.6% | -1.6% |
In this area, 96.4% 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 | 97.7% | 96.4% | -1.3% | 83.2% | 13.2% |
| European Union | 1% | 0.9% | -0.1% | 6.1% | -5.2% |
| Africa | 0.3% | 1.2% | 0.9% | 2.7% | -1.5% |
| Middle East and Asia | 0.7% | 1.5% | 0.8% | 5.6% | -4.1% |
| 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 | 97% | 97% | 0.0% | 83.2% | 13.8% |
| 10+ Years | 0.7% | 0.9% | 0.2% | 9.8% | -8.9% |
| 5-10 Years | 0.3% | 0.9% | 0.6% | 2.9% | -2.0% |
| 2-5 Years | 0.3% | 0% | -0.3% | 2.2% | -2.2% |
| Less than 2 years | 1.6% | 1.2% | -0.4% | 1.9% | -0.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 80.7% | 76.7% | 4.0% |
| South and Eastern Africa | 0.9% | 0.2% | 0.7% |
| Southern Asia | 0.6% | 1.2% | -0.6% |
| No passport held | 17.8% | 13.5% | 4.3% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 62.3% | 37.2% | 25.1% |
| Christian | 30.1% | 46.2% | -16.1% |
| Muslim | 0.3% | 6.5% | -6.2% |
| Other religion | 1.5% | 0.6% | 0.9% |
| Not answered | 5.7% | 6.0% | -0.3% |
Over the last 12 months, the overall crime rate around Thomas Street was 58.2 per 1,000 residents, which is 13.4% lower than the Bedlinog and Trelewis average. The most reported crime type was Violence and sexual offences.
Thomas Street has the 25th lowest crime rate of 55 local areas in Bedlinog and Trelewis and the 74th lowest crime rate of 189 local areas in Merthyr Tydfil .
Violent and sexual offences accounted for around 34.2 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -54.5%.

Households in this area have a lower level of wealth compared to the average household in England and Wales. 78% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 18 Thomas Street, Treharris, Merthyr Tydfil Terraced, an established residential building | £95,000 | 2023-01-13 | £92,435 |
| 15 Thomas Street, Treharris, Merthyr Tydfil Terraced, an established residential building | £46,200 | 2018-11-22 | £64,680 |
| 18 Thomas Street, Treharris, Merthyr Tydfil Terraced, an established residential building | £70,450 | 2017-12-15 | £106,772 |
| 11 Thomas Street, Treharris, Merthyr Tydfil Terraced, an established residential building | £75,500 | 2017-09-08 | £114,963 |
| 17 Thomas Street, Treharris, Merthyr Tydfil Terraced, an established residential building | £70,000 | 2014-11-20 | £113,140 |
| Full-Time Employee | 95 |
| Retired | 43 |
| Part-Time Employee | 42 |
| Self-Employed | 19 |
| Long-Term Sick or disabled | 18 |
| Unemployed | 11 |
| Looking after home or family | 10 |
| Student (economically inactive) | 8 |
| Other | 7 |
| Full-Time Student (with or without job) | 6 |
| Manufacturing | 24 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 20 |
| Education | 15 |
| Construction | 14 |
| Human health and social work activities | 13 |
| Other | 13 |
| Public administration and defence; compulsory social security | 7 |
| Professional, scientific and technical activities | 6 |
| Accommodation and food service activities | 6 |
| Information and communication | 4 |
| Administrative and support service activities | 4 |
| Financial and insurance activities | 3 |
| Transport and storage | 2 |
| Electricity, gas, steam and air conditioning supply | 2 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Mining and quarrying | 1 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Edwardsville Primary School Cardiff Road , Edwardsville CF46 5NE | - not rated | 985 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Trelewis Primary School Trelewis , Treharris CF46 6AH | - not rated | 1,112 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Gymraeg Abercynon Greenfield Terrace , Glancynon CF45 4TH | - not rated | 2,100 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Llanfabon Infants School Bryncelyn Avenue , Nelson CF46 6HL | - not rated | 2,321 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Llancaeach Junior School Commercial Street , Nelson CF46 6NF | - not rated | 2,582 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 |
|---|---|---|---|
| Perrott Street Cafe | 17 Perrott Street | 136 yd | |
| Fir Tree Pantry | Fir Tree Centre Fir Tree Drive, Quakers Yard | 469 yd | |
| Treharris Phoenix RFC | Millennium View Forest Road | 603 yd | |
| Snack Ranch | Glo Du Pavilion Cwmcothi Road, Trelewis | 913 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Treharris Unionist Club | 19 John Street | 100 yd | |
| Danygraig Labour Club & Institute Ltd | Danygraig Labour Club Mary Street | 116 yd | |
| Colliers Cwtch | 21 Bargoed Terrace | 150 yd | |
| BDJ Navigation Limited | Navigation Hotel Fox Street | 376 yd | |
| Quakers Yard Inn | Quakers Yard Inn, 1, Dan Y Twyn Cardiff Road | 407 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Golden Fryer | 2 Bargoed Terrace | 233 yd | |
| Good Friend | 2 Fox Street | 290 yd | |
| Hot Wok | 8 Fox Street | 324 yd | |
| Tien Tien Chinese Takeaway | 13 Fox Street | 353 yd | |
| Tin Sang | 2, Dan Y Twyn Cardiff Road | 407 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Co-op Welcome | 35 Fox Street | 364 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 | 74 Mbit/s |
| Average download speed | 55.7 Mbit/s |
| Minimum download speed | 80 Mbit/s |
| Maximum download speed | 80 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 13.5 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.