Heol-ddu on the map

Location in CarmarthenshireHeol-ddu sits where the marker shows within the county.

36,605
Population
16,249
Households
12
Schools nearby
£41,228
Avg. household income
934
Businesses
491
People per km²
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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).

Property Prices 4,940 sales

Average Price £157K
£500 , £17.3M
Detached £270K 750
Semi £147K 1,367
Terraced £114K 2,363
Flat £103K 164

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.

Heol-ddu £41,228
England & Wales avg. £55,302

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.

934 Total businesses
26 Per 1,000 residents
Micro, 0-9 88%
Small, 10-49 10%
Medium, 50-249 2%
Large, 250+ 0%

Crime in Heol-ddu 433 crimes · May 2026

High Crime Area

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.

Violence & Sexual Offences 162
Shoplifting 66
Anti-Social Behaviour 45
Public Order 40
Criminal Damage & Arson 39
Burglary 21
Other Theft 14
Drugs 12
Vehicle Crime 12
Other Crime 10
Weapons 6
Theft from Person 3
Bicycle Theft 2
Robbery 1
Local Policing
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 6 stations

Pembrey And Burry Port Train Station 2.1 miles
Llanelli Train Station 3.6 miles
Kidwelly Train Station 4.1 miles
Bynea Train Station 5.8 miles
Lamphey Train Station 5.9 miles
Ferryside Train Station 7.5 miles

Location

Local Government

District Carmarthenshire
Ward Tyisha
Constituency Llanelli
Parish Llanelli

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%.

Owned 62% Social rented 18% Private rented 20%

Tenure from the 2021 Census (ONS), for the postcode districts covering Heol-ddu.

Frequently Asked Questions about Heol-ddu

What is the population of Heol-ddu?
Heol-ddu has a population of approximately 36,605 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Heol-ddu?
The average property in and around Heol-ddu sold for about £156,733, based on HM Land Registry Price Paid records. That is around 55% below the England and Wales average of £349,091.
What postcodes cover Heol-ddu?
Heol-ddu is covered by the SA15 postcode district.
How many schools are there in Heol-ddu?
There are 12 schools within easy reach of Heol-ddu, spanning primary, secondary and other phases.
Where is the nearest train station to Heol-ddu?
The nearest railway station to Heol-ddu is Pembrey And Burry Port Train Station, about 2.1 miles away.