SA4 4DW maps, stats, and open data
SA4 4DW lies on Gwalia Terrace in Gorseinon, Swansea. SA4 4DW is located in the Gorseinon and Penyrheol electoral ward, within the unitary authority of Swansea and the Welsh Parliamentary constituency of Gower. The Local Health Board is Swansea Bay University and the police force is South Wales. This postcode has been in use since January 1993.
SA4 4DW maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SA4 4DW geodata
| Easting | 259570 |
| Northing | 198545 |
| Latitude | 51.668080 |
| Longitude | -4.032030 |
Where is SA4 4DW?
| Street | Gwalia Terrace |
| Locality | Gorseinon |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA4 |
SA4 4DW Elevation
Elevation or altitude of SA4 4DW 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 | Gorseinon And Penyrheol |
|---|---|
| Constituency | Gower |
House Prices
Sales of detached houses in SA4 4DW
18, GWALIA TERRACE, GORSEINON, SWANSEA, SA4 4DW 2000 7 JAN £21,000 |
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 SA4 4DW
| Llys Gwalia (Gorseinon Road) | Gorseinon | 131m |
| Llys Gwalia (Gorseinon Road) | Gorseinon | 191m |
| Somerfield (High Street) | Gorseinon | 221m |
| Somerfield (High Street) | Gorseinon | 271m |
| Parc Melin Mynach (Heol Y Mynydd) | Gorseinon | 394m |
Nearest railway stations to SA4 4DW
| Gowerton Station | 2.2km |
| Llangennech Station | 4.1km |
| Bynea Station | 4.6km |
Broadband
Broadband access in SA4 4DW (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 | 100.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in SA4 4DW (2019 data)
Download
| Median download speed | 100.0Mbps |
| Average download speed | 95.4Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 9.1Mbps |
| Average upload speed | 8.6Mbps |
| Maximum upload speed | 14.09Mbps |
Broadband limitations in SA4 4DW (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% |
SA4 4DW gas and electricity consumption
Estimated total energy consumption in SA4 4DW by fuel type, 2015.
Gas
| Consumption (kWh) | 231,006 |
|---|---|
| Meter count | 25 |
| Mean (kWh/meter) | 9,240 |
| Median (kWh/meter) | 9,649 |
Electricity
| Consumption (kWh) | 63,537 |
|---|---|
| Meter count | 23 |
| Mean (kWh/meter) | 2,762 |
| Median (kWh/meter) | 2,082 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA4 4DW, for 2015.
- Meter count: The total number of meters in SA4 4DW.
- 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
60.8% of Welsh postcodes are less deprived than SA4 4DW:Food Standards Agency
Three nearest food hygiene ratings to SA4 4DW (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA4 4DW
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Trinity Street | 17:45 | 12:45 | 322m |
| Gorseinon P O | 17:45 | 12:30 | 717m |
| West Street | 17:45 | 12:30 | 756m |
SA4 4DW ITL and SA4 4DW 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 SA4 4DW:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL18 | Swansea |
| LAU 1 Code | Name |
| W06000011 | Swansea |
SA4 4DW 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 SA4 4DW:
| Code | Name | |
|---|---|---|
| OA | W00004151 | |
| LSOA | W01000773 | Swansea 005A |
| MSOA | W02000172 | Swansea 005 |
Nearest postcodes to SA4 4DW
| SA4 4DU | Eynon Street | 65m |
| SA4 4DE | Bryn Terrace | 89m |
| SA4 4DN | Gwalia Crescent | 114m |
| SA4 4DP | South View | 127m |
| SA4 4DF | Spring Gardens | 136m |
| SA4 4DT | Chapel Street | 142m |
| SA4 4DG | Gorseinon Road | 195m |
| SA4 4DR | Whittington Terrace | 197m |
| SA4 4BX | High Street | 220m |
| SA4 4DS | Windsor Terrace | 247m |
- 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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