SA18 1AN maps, stats, and open data
SA18 1AN lies on Mountain Road in Upper Brynamman, Ammanford. SA18 1AN is located in the Cwarter Bach 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.
SA18 1AN maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SA18 1AN geodata
| Easting | 271791 |
| Northing | 214883 |
| Latitude | 51.817823 |
| Longitude | -3.861445 |
Where is SA18 1AN?
| Street | Mountain Road |
| Locality | Upper Brynamman |
| Town/City | Ammanford |
| Country | Wales |
| Postcode District | SA18 |
SA18 1AN Elevation
Elevation or altitude of SA18 1AN as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 220m | 722ft |
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 | Cwarter Bach |
|---|---|
| Constituency | Carmarthen East And Dinefwr |
House Prices
Sales of detached houses in SA18 1AN
2025 12 NOV £350,000 |
2025 12 JUN £265,000 |
2022 27 MAY £405,000 |
2021 29 JUN £325,000 |
86, MOUNTAIN ROAD, UPPER BRYNAMMAN, AMMANFORD, SA18 1AN 2021 9 APR £225,000 |
2021 23 MAR £150,000 |
2020 6 MAR £132,000 |
79, MOUNTAIN ROAD, UPPER BRYNAMMAN, AMMANFORD, SA18 1AN 2020 21 FEB £223,000 |
97A, MOUNTAIN ROAD, UPPER BRYNAMMAN, AMMANFORD, SA18 1AN 2019 18 OCT £127,000 |
2018 31 AUG £215,000 |
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 SA18 1AN
| Derlwyn Arms (Mountain Road) | Upper Brynamman | 42m |
| Mountain Road | Upper Brynamman | 77m |
| Arfryn | Upper Brynamman | 256m |
| Mountain Road | Upper Brynamman | 284m |
| New Road (Mountain Road) | Brynamman | 568m |
Broadband
Broadband access in SA18 1AN (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 88.9% |
| 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 SA18 1AN (2019 data)
Download
| Median download speed | 24.8Mbps |
| Average download speed | 24.8Mbps |
| Maximum download speed | 57.14Mbps |
Upload
| Median upload speed | 5.1Mbps |
| Average upload speed | 4.3Mbps |
| Maximum upload speed | 8.52Mbps |
Broadband limitations in SA18 1AN (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 | 11.1% |
SA18 1AN gas and electricity consumption
Estimated total energy consumption in SA18 1AN by fuel type, 2015.
Electricity
| Consumption (kWh) | 225,490 |
|---|---|
| Meter count | 63 |
| Mean (kWh/meter) | 3,579 |
| Median (kWh/meter) | 3,300 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA18 1AN, for 2015.
- Meter count: The total number of meters in SA18 1AN.
- 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
55.2% of Welsh postcodes are less deprived than SA18 1AN:Food Standards Agency
Three nearest food hygiene ratings to SA18 1AN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA18 1AN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Upper Brynamman P O | 16:45 | 11:00 | 719m |
| Rhosamman | 16:15 | 10:00 | 1,589m |
| Lower Brynamman P O | 16:45 | 11:15 | 1,807m |
SA18 1AN ITL and SA18 1AN 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 SA18 1AN:
| 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 |
SA18 1AN 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 SA18 1AN:
| Code | Name | |
|---|---|---|
| OA | W00003858 | |
| LSOA | W01000719 | Carmarthenshire 010E |
| MSOA | W02000151 | Carmarthenshire 010 |
Nearest postcodes to SA18 1AN
| SA18 1AW | Arfryn | 157m |
| SA18 1AS | Arfryn | 189m |
| SA18 1AP | Arfryn | 274m |
| SA18 1AH | Brynceunant | 408m |
| SA18 1DF | Rhosfa Road | 436m |
| SA18 1AE | Mountain Road | 446m |
| SA18 1AL | Ardwyn Road | 453m |
| SA18 1AG | New Road | 516m |
| SA18 1AF | New Road | 563m |
| SA18 1AY | Bryn Road | 591m |
- 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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