Maes Y Dderwen is in Carmarthen and in Carmarthen district. SA31 3LX is located in the Carmarthen Town North and South electoral ward, within the English Parliamentary constituency of Carmarthen West and South Pembrokeshire. This postcode has been in use since 1980-01-01.
StreetScan combines information about Maes Y Dderwen, Carmarthen, SA31 3LX and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: SA31 3LU, SA31 3NA, SA31 3LY, SA31 3LS, SA31 3PX, SA31 3HH, SA31 3HG, SA31 3HJ, SA31 3LP.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around SA31 3LX is generally consistent with those figures, having a male population of 49.8%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 54.7% | 50.2% | -4.5% | 51.0% | -0.8% |
| Male | 45.3% | 49.8% | 4.5% | 49.0% | 0.8% |
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 | 26% | 30.7% | 4.7% | 37.9% | -7.2% |
| Married: Opposite sex | 49% | 40.2% | -8.8% | 44.2% | -4.0% |
| Married: Same sex | 0% | 1% | 1.0% | 0.3% | 0.7% |
| Separated | 1.5% | 0.5% | -1.0% | 2.2% | -1.7% |
| Divorced | 11.8% | 17.6% | 5.8% | 9.1% | 8.5% |
| Widowed | 11.8% | 10.1% | -1.7% | 6.1% | 4.0% |
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 | 34.9% | 53.1% | 18.2% | 48.4% | 4.7% |
| Good health | 31.9% | 27.8% | -4.1% | 33.6% | -5.8% |
| Fair health | 22.4% | 14.3% | -8.1% | 12.7% | 1.6% |
| Bad health | 9.5% | 2.9% | -6.6% | 4.0% | -1.1% |
| Very bad health | 1.3% | 2% | 0.7% | 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 | 23% | 20% | -3.0% | 18.2% | 1.8% |
| 1-4 GCSEs or Equivalent | 9.8% | 6% | -3.8% | 9.6% | -3.6% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 16.2% | 12.5% | -3.7% | 13.4% | -0.9% |
| Apprenticeship | 2.9% | 6% | 3.1% | 5.3% | 0.7% |
| HNC, HND or 2+ A Levels | 11.3% | 17% | 5.7% | 16.9% | 0.1% |
| Degree or Similar | 29.9% | 36% | 6.1% | 33.8% | 2.2% |
| Other | 6.9% | 2.5% | -4.4% | 2.8% | -0.3% |
In this area, the population is predominantly white, with 94.7% 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 | 1.3% | 0% | -1.3% | 0.7% | -0.7% |
| Indian | 3% | 0% | -3.0% | 3.1% | -3.1% |
| Other Asian | 0% | 1.2% | 1.2% | 1.6% | -0.4% |
| Black Caribbean | 0% | 2.4% | 2.4% | 1.0% | 1.4% |
| Mixed White and Asian | 0.4% | 0% | -0.4% | 0.8% | -0.8% |
| Mixed White and Caribbean | 0% | 0.8% | 0.8% | 0.9% | -0.1% |
| White | 95.3% | 94.7% | -0.6% | 81.4% | 13.3% |
| Other | 0% | 0.8% | 0.8% | 1.6% | -0.8% |
In this area, 94.2% 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 | 89.2% | 94.2% | 5.0% | 83.2% | 11.0% |
| European Union | 1.3% | 2.5% | 1.2% | 6.1% | -3.6% |
| Africa | 2.2% | 0.8% | -1.4% | 2.7% | -1.9% |
| Middle East and Asia | 5.6% | 1.2% | -4.4% | 5.6% | -4.4% |
| The Americas and the Caribbean | 0% | 1.2% | 1.2% | 1.3% | -0.1% |
| Oceania | 1.7% | 0% | -1.7% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 89.2% | 93.1% | 3.9% | 83.2% | 9.9% |
| 10+ Years | 2.2% | 5.3% | 3.1% | 9.8% | -4.5% |
| 5-10 Years | 2.2% | 0.8% | -1.4% | 2.9% | -2.1% |
| 2-5 Years | 0.4% | 0.8% | 0.4% | 2.2% | -1.4% |
| Less than 2 years | 6% | 0% | -6.0% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 83.7% | 76.7% | 7.0% |
| Ireland | 0.4% | 0.6% | -0.2% |
| Poland | 0.4% | 1.3% | -0.9% |
| Romania | 0.8% | 0.9% | -0.1% |
| North America and the Caribbean | 0.4% | 0.3% | 0.1% |
| No passport held | 14.3% | 13.5% | 0.8% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 48.6% | 37.2% | 11.4% |
| Christian | 46.1% | 46.2% | -0.1% |
| Hindu | 1.2% | 1.7% | -0.5% |
| Sikh | 0.8% | 0.9% | -0.1% |
| Not answered | 3.3% | 6.0% | -2.7% |
Over the last 12 months, the overall crime rate around Maes Y Dderwen was 160.0 per 1,000 residents, which is 19.9% lower than the Carmarthen Town North and South average. The most reported crime type was Violence and sexual offences.
Maes Y Dderwen has the 13th highest crime rate of 40 local areas in Carmarthen Town North and South and the 76th highest crime rate of 595 local areas in Carmarthenshire .
Violent and sexual offences accounted for around 80.0 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has stayed broadly stable by about 0.0%.

Households in this area have a lower level of wealth compared to the average household in England and Wales. 76% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 17 - 19 Maesydderwen, Carmarthen, Carmarthenshire Detached, an established residential building | £410,000 | 2025-08-01 | £412,052 |
| 26 Maesydderwen, Carmarthen, Carmarthenshire Detached, an established residential building | £290,000 | 2025-06-20 | £293,508 |
| 18 Maesydderwen, Carmarthen, Carmarthenshire Detached, an established residential building | £320,000 | 2025-02-24 | £331,901 |
| 23 Maesydderwen, Carmarthen, Carmarthenshire Detached, an established residential building | £250,000 | 2024-08-13 | £260,104 |
| Morganne, 2 Maesydderwen, Carmarthen, Carmarthenshire Detached, an established residential building | £216,250 | 2023-10-13 | £224,292 |
SA31 3LX area has a low unemployment rate. According to Census 2021, 1% residents of this area were unemployed, while the average in the UK was 4.83%. A low level of unemployment in an area indicates a strong job market, where most people who are seeking work can find employment. This generally reflects a healthy economy in the area.
The percentage of retired residents living in SA31 3LX area is much higher than the country's average. According to Census 2011, 31% residents of this area were retired, while the average in the UK was 14%.
| Full-Time Employee | 72 |
| Retired | 63 |
| Self-Employed | 21 |
| Part-Time Employee | 16 |
| Looking after home or family | 9 |
| Student (economically inactive) | 6 |
| Long-Term Sick or disabled | 6 |
| Full-Time Student (with or without job) | 5 |
| Other | 3 |
| Unemployed | 2 |
| Human health and social work activities | 36 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 20 |
| Public administration and defence; compulsory social security | 13 |
| Education | 9 |
| Manufacturing | 8 |
| Professional, scientific and technical activities | 7 |
| Other | 5 |
| Accommodation and food service activities | 4 |
| Transport and storage | 4 |
| Administrative and support service activities | 3 |
| Electricity, gas, steam and air conditioning supply | 2 |
| Information and communication | 2 |
| Real estate activities | 1 |
| Construction | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Johnstown C.P. School Salem Road , Johnstown SA31 3HS | - not rated | 478 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| St Mary's R.C. Primary School Union Street , Carmarthen SA31 3DE | - not rated | 568 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Model C.I.W. School College Road , Carmarthen SA31 3EQ | - not rated | 586 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Queen Elizabeth High Llansteffan Road , Johnstown Road SA31 3NL | - not rated | 1,043 yd | Welsh establishment | Not Applicable | Mixed | More About School |
| Myrddin C.P. School Heol Disgwylfa , Carmarthen SA31 1TE | - not rated | 1,210 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 |
|---|---|---|---|
| TERRITORIAL ARMY MESS | Territorial Army Centre, Picton Barracks, Picton Terrace | 425 yd | |
| Chartwells | Jobs Well Campus, Job's Well Road | 483 yd | |
| Welsh Assembly Government | Welsh Assembly Government Buildings, Picton Terrace | 493 yd | |
| Xcel Bowl | Old Creamery Buildings, Old Llansteffan Road | 626 yd | |
| Y Gegin | S4C Building, College Road | 657 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| FRIENDS ARMS | St Clears Road | 184 yd | |
| POPLARS INN | Pondside | 304 yd | |
| BRO MYRDDIN BOWLS | Picton Terrace | 425 yd | |
| CARMARTHEN QUINS RFC | Carmarthen Quins Rfc, Morfa Lane | 816 yd | |
| GOLDEN LION HOTEL | Golden Lion Hotel, 101 Lammas Street | 980 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Towys Fish and Chips | 3 Ash Grove | 275 yd | |
| Cole’s Coffee | Unit 5, Former Brs Yard, Alltycnap Road | 559 yd | |
| Yo! To Go Sushi | Tesco Extra, Brickyard Lane | 816 yd | |
| CHICK KING TAKEAWAY | 32 Lammas Street | 967 yd | |
| KWONG YICK | 17 Water Street | 1,035 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Tesco Extra | Tesco Extra, Brickyard Lane | 816 yd | |
| LIDL | Friars Park | 872 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 | 40 Mbit/s |
| Average download speed | 42 Mbit/s |
| Minimum download speed | 75.3 Mbit/s |
| Maximum download speed | 75.3 Mbit/s |
| Median upload speed | 7.3 Mbit/s |
| Average upload speed | 7.8 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.