SA15 4SL maps, stats, and open data
SA15 4SL lies on Heron Avenue in Llanelli. SA15 4SL is located in the Hengoed electoral ward, within the unitary authority of Carmarthenshire and the Welsh Parliamentary constituency of Llanelli. The Local Health Board is Hywel Dda University and the police force is Dyfed-Powys. This postcode has been in use since May 1994.
SA15 4SL geodata
| Easting | 249632 |
| Northing | 200470 |
| Latitude | 51.682803 |
| Longitude | -4.176456 |
Where is SA15 4SL?
| Street | Heron Avenue |
| Town/City | Llanelli |
| Country | Wales |
| Postcode District | SA15 |
SA15 4SL Elevation
Elevation or altitude of SA15 4SL as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 10m | 33ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Hengoed |
|---|---|
| Constituency | Llanelli |
House Prices
Sales of detached houses in SA15 4SL
2025 31 OCT £250,000 |
16, HERON AVENUE, LLANELLI, SA15 4SL 2017 25 MAY £280,000 |
2010 15 OCT £217,500 |
2009 23 NOV £172,000 |
2004 18 JUN £195,000 |
2003 15 SEP £150,000 |
2003 23 MAY £105,000 |
15, HERON AVENUE, LLANELLI, SA15 4SL 2003 31 JAN £165,000 |
2003 3 JAN £139,950 |
15, HERON AVENUE, LLANELLI, SA15 4SL 2001 20 APR £130,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to SA15 4SL
| Sandpiper Roundabout (Sandy Road) | Sandy | 150m |
| Sandpiper Roundabout (Sandy Road) | Sandy | 163m |
| Maesycoed (Sandy Road) | Sandy | 201m |
| Maesycoed (Sandy Road) | Sandy | 203m |
| Denham Avenue South (Sandy Road) | Sandy | 351m |
Nearest railway stations to SA15 4SL
| Llanelli Station | 1.4km |
| Pembrey & Burry Port Station | 4.9km |
Broadband
Broadband access in SA15 4SL (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in SA15 4SL (2019 data)
Download
| Median download speed | 52.8Mbps |
| Average download speed | 48.0Mbps |
| Maximum download speed | 79.98Mbps |
Upload
| Median upload speed | 14.8Mbps |
| Average upload speed | 11.7Mbps |
| Maximum upload speed | 20.36Mbps |
Broadband limitations in SA15 4SL (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |
SA15 4SL gas and electricity consumption
Estimated total energy consumption in SA15 4SL by fuel type, 2015.
Gas
| Consumption (kWh) | 184,852 |
|---|---|
| Meter count | 16 |
| Mean (kWh/meter) | 11,553 |
| Median (kWh/meter) | 11,212 |
Electricity
| Consumption (kWh) | 51,727 |
|---|---|
| Meter count | 15 |
| Mean (kWh/meter) | 3,448 |
| Median (kWh/meter) | 3,150 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA15 4SL, for 2015.
- Meter count: The total number of meters in SA15 4SL.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
51.1% of Welsh postcodes are less deprived than SA15 4SL:Food Standards Agency
Three nearest food hygiene ratings to SA15 4SL (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA15 4SL
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Thomas Street Post Office | 17:45 | 12:00 | 1,111m |
| Capel Isaf Road | 17:30 | 11:00 | 2,628m |
| Tescos Stores Ltd | 17:30 | 08:00 | 2,840m |
SA15 4SL ITL and SA15 4SL LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for SA15 4SL:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL14 | South West Wales |
| LAU 1 Code | Name |
| W06000010 | Carmarthenshire |
SA15 4SL census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SA15 4SL:
| Code | Name | |
|---|---|---|
| OA | W00003600 | |
| LSOA | W01001925 | Carmarthenshire 023F |
| MSOA | W02000164 | Carmarthenshire 023 |
Nearest postcodes to SA15 4SL
| SA15 4SJ | Swan Walk | 41m |
| SA15 4SN | Lapwing Road | 80m |
| SA15 4SS | Cormorant Close | 83m |
| SA15 4SG | Sandpiper Road | 148m |
| SA15 4SR | Curlew Close | 166m |
| SA15 4BR | Sandy Road | 167m |
| SA15 4DW | Sandy Road | 182m |
| SA15 4SH | Sandpiper Road | 196m |
| SA15 4DH | Sandy Road | 305m |
| SA15 4BY | Iscoed | 359m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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