SA3 4JS lies on Aelybryn in Mumbles, Swansea. SA3 4JS is located in the Mumbles 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 1980.


| Easting | 262457 |
| Northing | 187117 |
| Latitude | 51.566105 |
| Longitude | -3.985822 |
| Street | Aelybryn |
| Locality | Mumbles |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA3 |
Elevation or altitude of SA3 4JS as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 30m | 98ft |
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 | Mumbles |
|---|---|
| Constituency | Gower |
2023 20 OCT £1,000,000 |
2013 30 SEP £250,000 |
| Car Park (Plunch Lane) | Limeslade | 70m |
| Car Park (Plunch Lane) | Limeslade | 78m |
| Sealands Drive (Plunch Lane) | Limeslade | 226m |
| Westcliff (Plunch Lane) | Limeslade | 263m |
| Plunch Lane | Limeslade | 336m |
| 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
| 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% |


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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Thistleboon | 17:30 | 13:00 | 662m |
| Mumbles P O | 18:30 | 12:30 | 1,301m |
| Newton P O | 17:45 | 11:30 | 2,270m |
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 SA3 4JS:
| 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 |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SA3 4JS:
| Code | Name | |
|---|---|---|
| OA | W00004419 | |
| LSOA | W01000826 | Swansea 031D |
| MSOA | W02000198 | Swansea 031 |
| SA3 4JW | Limeslade Court | 34m |
| SA3 4JR | Limeslade Drive | 80m |
| SA3 4JU | Sealands Drive | 113m |
| SA3 4JP | Bridle Mews | 159m |
| SA3 4JN | Westcliff | 163m |
| SA3 4JZ | Westcliff Mews | 179m |
| SA3 4JE | Plunch Lane | 234m |
| SA3 4JY | Plunch Lane | 251m |
| SA3 4JG | Sarlou Close | 262m |
| SA3 4HR | William Gammon Drive | 287m |