SA17 4DG is an accessible, working-class neighbourhood on Heol Morlais, 0.3km from Trimsaran in Trimsaran. Administratively it sits within Trimsaran ward and the Llanelli constituency.
This is a strong family neighbourhood — a stable, owner-occupied suburb — married couples, UK-born, strong community. During the day, includes some mining and quarrying and other industrial activity. A balanced community with an average age of 39 — families, professionals, and long-term residents all well represented. 71% of properties are owner-occupied — a strong indicator of neighbourhood stability and long-term community investment.
Safety: Crime rates are low here at 20 incidents per 1,000 residents — well below average and reassuring for families. Property: With prices averaging £85k, this is one of the more affordable postcodes in the area. The Index of Multiple Deprivation places this area in the most deprived 20% nationally — this often means more affordable prices and active local authority investment, but also fewer amenities and higher benefit dependency.
Census 2021 statistics for SA17 4DG are sourced from Output Area W00003916 (shared with 7 postcodes in this micro-neighbourhood). Property prices come from HM Land Registry.
HEOL MORLAIS, SA17 4DG House Prices & Local Information
Comprehensive demographic deep-dive and infrastructure audit for HEOL MORLAIS, SA17 4DG.
318
39
£ 34,600 /yr
42%
Neighbourhood Index
infoHow calculated?Score 1–10 — how this postcode ranks nationally (10 = top 10%)
Index Insight: SA17 4DG falls into the lower 30% nationally for affluence, pointing to a more accessible but economically challenged demographic.
Area Character
Owner-occupied, family-oriented, and settled. SA17 4DG's 71% ownership and 39-year average age put it squarely in the established family zone. Low crime and a maturing demographic make this one of the more stable postcodes in the district.
mapGeographic Location
Demographic Deep-Dive
The Census 2021 data below shows the full population breakdown for SA17 4DG. The average age is 39.4. Figures are sourced from the Office for National Statistics and cover ethnicity, age, religion, education, occupation, housing tenure, and more.
Ethnicity Profile
Economic Activity
Community Makeup: A balanced, mature neighborhood. The average age points to a solid foundation of mid-career individuals.
home Property Prices by Type
Terraced
£ 82,750
6 sales · Mean £ 109,500
Semi-Detached
£ 160,000
2 sales · Mean £ 160,000
Detached
£ 238,000
1 sales · Mean £ 238,000
gavel Crime Overview 12 Months (up to 2026-01)
SA17 4DG has low crime rates — 20 incidents per 1,000 residents. The most reported categories are violence and sexual offences and anti-social behaviour. Commercial streets and transport hubs naturally generate more incidents than quiet residential roads.
storefront Nearby Amenities
Retailers - Other
2 nearby- McColls0.0 km
- Morrisons Daily0.0 km
Pub, NightClub
4 nearby- TRIMSARAN RFC0.8 km
- TRIMSARAN SPORTS & SOCIAL CLUB0.0 km
- TRIMSARAN RFC0.8 km
- TRIMSARAN SPORTS & SOCIAL CLUB0.0 km
Restaurant, Cafe
2 nearby- Cae Rasio Ffos Las0.5 km
- FFOS LAS RACECOURSE0.5 km
Takeaway Shop
6 nearby- Pizza Choice0.4 km
- Positano Pizza0.4 km
- Village Plaice0.4 km
- Pizza Choice0.4 km
- Positano Pizza0.4 km
- + 1 more
train Transport Links
Train Stations
- Pembrey & Burry Port4.3 km
- Kidwelly5.1 km
- Llanelli7.9 km
Bus Stops
- Heol Morlais0.0 km
- Heol Morlais0.1 km
- Bird in Hand0.2 km
- Bird in Hand0.3 km
- The Miners0.3 km
Generated by PostcodeInfo.uk
Postcode Profile: SA174DG · Data under Open Government Licence