SA31 3JA maps, stats, and open data
SA31 3JA lies on Glantawelan in Johnstown, Carmarthen. SA31 3JA is located in the Carmarthen Town North and South electoral ward, within the unitary authority of Carmarthenshire and the Welsh Parliamentary constituency of Carmarthen West and South Pembrokeshire. The Local Health Board is Hywel Dda University and the police force is Dyfed-Powys. This postcode has been in use since April 1987.
SA31 3JA geodata
| Easting | 239616 |
| Northing | 219562 |
| Latitude | 51.851545 |
| Longitude | -4.330031 |
Where is SA31 3JA?
| Street | Glantawelan |
| Locality | Johnstown |
| Town/City | Carmarthen |
| Country | Wales |
| Postcode District | SA31 |
SA31 3JA Elevation
Elevation or altitude of SA31 3JA 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 | Carmarthen Town North And South |
|---|---|
| Constituency | Carmarthen West And South Pembrokeshire |
House Prices
Sales of detached houses in SA31 3JA
2024 3 MAY £180,000 |
21, GLANTAWELAN, JOHNSTOWN, CARMARTHEN, SA31 3JA 2023 24 AUG £330,000 |
2023 28 JUN £243,000 |
2022 20 SEP £325,250 |
2021 19 NOV £225,000 |
2020 21 FEB £182,000 |
2018 16 NOV £185,000 |
15, GLANTAWELAN, JOHNSTOWN, CARMARTHEN, SA31 3JA 2018 8 AUG £240,000 |
2018 22 FEB £159,000 |
2017 1 NOV £196,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to SA31 3JA
| Glan Tawelan | Johnstown | 109m |
| Cilddewi Park (Parc Cilddewi) | Johnstown | 110m |
| Primary School (Heol Salem) | Johnstown | 115m |
| San Tamara (Glan Tawelan) | Johnstown | 166m |
| Garage (Old St Clears Road) | Johnstown | 208m |
Nearest railway stations to SA31 3JA
| Carmarthen Station | 1.7km |
Broadband
Broadband access in SA31 3JA (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 SA31 3JA (2019 data)
Download
| Median download speed | 35.7Mbps |
| Average download speed | 38.9Mbps |
| Maximum download speed | 79.99Mbps |
Upload
| Median upload speed | 9.8Mbps |
| Average upload speed | 8.0Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in SA31 3JA (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% |
SA31 3JA gas and electricity consumption
Estimated total energy consumption in SA31 3JA by fuel type, 2015.
Gas
| Consumption (kWh) | 355,224 |
|---|---|
| Meter count | 31 |
| Mean (kWh/meter) | 11,459 |
| Median (kWh/meter) | 13,061 |
Electricity
| Consumption (kWh) | 56,567 |
|---|---|
| Meter count | 25 |
| Mean (kWh/meter) | 2,263 |
| Median (kWh/meter) | 2,115 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA31 3JA, for 2015.
- Meter count: The total number of meters in SA31 3JA.
- 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
23.4% of Welsh postcodes are less deprived than SA31 3JA:Food Standards Agency
Three nearest food hygiene ratings to SA31 3JA (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA31 3JA
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Johnstown Post Office | 17:15 | 11:30 | 265m |
| Tesco | 17:45 | 11:45 | 908m |
| Maes Y Wenol | 17:00 | 11:15 | 1,138m |
SA31 3JA ITL and SA31 3JA 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 SA31 3JA:
| 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 |
SA31 3JA 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 SA31 3JA:
| Code | Name | |
|---|---|---|
| OA | W00003442 | |
| LSOA | W01000642 | Carmarthenshire 008B |
| MSOA | W02000149 | Carmarthenshire 008 |
Nearest postcodes to SA31 3JA
| SA31 3JF | Old St Clears Road | 86m |
| SA31 3HR | Millbank Lane | 90m |
| SA31 3HS | Heol Salem | 96m |
| SA31 3HT | Heol Salem | 134m |
| SA31 3HW | Millbank Lane | 148m |
| SA31 3HX | Parc Starling | 182m |
| SA31 3HL | Old St Clears Road | 221m |
| SA31 3HP | Cilddewi Park | 222m |
| SA31 3HU | Pondside | 222m |
| SA31 3HJ | Heol Salem | 289m |
- Contains OS data © Crown copyright and database right (2025)
- Contains Royal Mail data © Royal Mail copyright and Database right (2025)
- Contains National Statistics data © Crown copyright and database right (2025)
- Data produced by Land Registry © Crown copyright (2025)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2025)
GetTheData.com is owned and operated by GetTheData Publishing Limited.
Company Number: 11075184 · Registered in England and Wales.
Registered Office: 3rd Floor, 86-90 Paul Street, London, England, EC2A 4NE
By accessing our site you agree to us using cookies, and sharing information about your use of our site, in accordance with our privacy policy.