SA18 1JH lies on Oakfield Road in Twyn, Ammanford. SA18 1JH is located in the Garnant electoral ward, within the unitary authority of Carmarthenshire and the Welsh Parliamentary constituency of Carmarthen East and Dinefwr. The Local Health Board is Hywel Dda University and the police force is Dyfed-Powys. This postcode has been in use since January 1980.


| Easting | 268984 |
| Northing | 213691 |
| Latitude | 51.806461 |
| Longitude | -3.901693 |
| Street | Oakfield Road |
| Locality | Twyn |
| Town/City | Ammanford |
| Country | Wales |
| Postcode District | SA18 |
Elevation or altitude of SA18 1JH as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 120m | 394ft |
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.
| Ward | Garnant |
|---|---|
| Constituency | Carmarthen East And Dinefwr |
2024 2 AUG £300,000 |
2020 10 JAN £169,500 |
9, OAKFIELD ROAD, TWYN, AMMANFORD, SA18 1JH 2019 15 MAR £115,000 |
2015 29 JUL £128,000 |
11, OAKFIELD ROAD, TWYN, AMMANFORD, SA18 1JH 2013 28 MAR £110,000 |
2006 3 OCT £159,000 |
2006 30 JUN £170,000 |
2003 7 NOV £95,000 |
18, OAKFIELD ROAD, TWYN, AMMANFORD, SA18 1JH 2003 27 FEB £82,000 |
2002 11 JAN £55,000 |
| Twyn Square (Heol Maesuchel) | Tir Syr Walter | 55m |
| Twyn Po (Vicarage Road) | Garnant | 79m |
| Maesybedol (Hendre Road) | Garnant | 162m |
| Maesybedol | Garnant | 237m |
| Ysgol Y Bedol (Grounds) | Garnant | 301m |
| 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
| Median download speed | 41.8Mbps |
| Average download speed | 46.8Mbps |
| Maximum download speed | 80.00Mbps |
| Median upload speed | 10.6Mbps |
| Average upload speed | 10.4Mbps |
| Maximum upload speed | 20.00Mbps |
| 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% |
Estimated total energy consumption in SA18 1JH by fuel type, 2015.
| Consumption (kWh) | 320,380 |
|---|---|
| Meter count | 21 |
| Mean (kWh/meter) | 15,256 |
| Median (kWh/meter) | 17,790 |
| Consumption (kWh) | 78,581 |
|---|---|
| Meter count | 22 |
| Mean (kWh/meter) | 3,572 |
| Median (kWh/meter) | 3,204 |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Twyn P O | 15:30 | 11:00 | 93m |
| Maes Y Hendre | 15:30 | 11:15 | 360m |
| Garnant P O | 17:15 | 11:45 | 613m |
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 SA18 1JH:
| 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 |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SA18 1JH:
| Code | Name | |
|---|---|---|
| OA | W00003530 | |
| LSOA | W01000656 | Carmarthenshire 010A |
| MSOA | W02000151 | Carmarthenshire 010 |
| SA18 1JL | Highfield Road | 131m |
| SA18 1JQ | Vicarage Road | 155m |
| SA18 1JJ | Greenfield Road | 165m |
| SA18 2ER | Maes Y Bedol | 195m |
| SA18 2BL | Hendre Road | 248m |
| SA18 2EP | Maes Y Bedol | 285m |
| SA18 1JN | Lon Y Derwydd | 301m |
| SA18 2BW | Maesyrhendre | 368m |
| SA18 2BD | Church Row | 379m |
| SA18 1JG | Upper Station Road | 407m |