Heol-ddu on the map
Location in CarmarthenshireHeol-ddu sits where the marker shows within the county.
About Heol-ddu
Heol-ddu is a small area located in Carmarthenshire, Wales, within the postcode area SA15. It is primarily a residential locality, offering a peaceful environment for its residents. The area is well-connected to nearby towns and cities, making it convenient for commuting and accessing local amenities.
Surrounding Heol-ddu, you will find a mix of natural landscapes and urban facilities. The nearby town of Llanelli is easily reachable, providing various shops, restaurants, and recreational opportunities. The coastal areas of Carmarthenshire are also within a short drive, allowing for pleasant outings by the sea. Overall, Heol-ddu serves as a quiet place to live while still being close to the conveniences of urban life.
School Ratings in Heol-ddu
There are 39 schools in and around Heol-ddu.
House Prices in Heol-ddu
The average property price is £157K, with terraced houses making up the majority of the housing stock at around £114K.
Crime and Anti-Social Behaviour in Heol-ddu
Recorded crime levels are higher than the national average. Shoplifting is prevalent across Heol-ddu, with 66 recorded incidents in May 2026.
Healthcare in Heol-ddu
There are 2 GP surgeries within three miles of Heol-ddu, the nearest being Dr B Williams' Practice (0.9 miles away).
Local Data for Heol-ddu
Dig deeper into the area around Heol-ddu with our free postcode tools.
Property Prices 4,940 sales
Schools & Education 12 nearby View all schools
Household Income in Heol-ddu ONS 2023
The average total household income in Heol-ddu is approximately £41,228 a year before tax, 25% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £32,756. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.
Net (after tax) household income averages £32,756.
Businesses in Heol-ddu ONS 2025
There are approximately 934 active businesses based in Heol-ddu, around 26 for every 1,000 residents. The local economy is dominated by small firms: about 88% are micro-businesses employing fewer than 10 people, while 21 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.
Crime in Heol-ddu 433 crimes · May 2026
Heol-ddu sees higher than average levels of reported crime relative to its population. Violence & sexual offences represents the most frequently recorded category. This pattern is not uncommon in densely populated urban areas and does not necessarily reflect the experience of most residents.
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.
Nearest Train Stations 6 stations
Location
Nearby Towns & Villages 12 found
Local Government
Home Ownership in Heol-ddu
Of the 16,075 households in and around Heol-ddu, 62% are owned, 18% are socially rented and 20% are privately rented. Home ownership here is in line with the England and Wales average of 63%.
Tenure from the 2021 Census (ONS), for the postcode districts covering Heol-ddu.



