SA3 5SX maps, stats, and open data
SA3 5SX lies on Trinity Close in Mumbles, Swansea. SA3 5SX 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 February 1990.
SA3 5SX maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SA3 5SX geodata
| Easting | 261079 |
| Northing | 188278 |
| Latitude | 51.576204 |
| Longitude | -4.006169 |
Where is SA3 5SX?
| Street | Trinity Close |
| Locality | Mumbles |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA3 |
SA3 5SX Elevation
Elevation or altitude of SA3 5SX as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 40m | 131ft |
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 | Mumbles |
|---|---|
| Constituency | Gower |
House Prices
Sales of detached houses in SA3 5SX
2025 7 AUG £470,000 |
1, TRINITY CLOSE, MUMBLES, SWANSEA, SA3 5SX 2022 1 JUN £491,000 |
2, TRINITY CLOSE, MUMBLES, SWANSEA, SA3 5SX 2011 10 FEB £285,000 |
2009 25 SEP £341,000 |
2004 19 MAR £280,000 |
4, TRINITY CLOSE, MUMBLES, SWANSEA, SA3 5SX 1999 20 SEP £130,000 |
1999 14 JUL £128,500 |
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 SA3 5SX
| School (Newton Road) | Oystermouth | 151m |
| Underhill Park (Langland Road) | Oystermouth | 161m |
| Newton Road | Oystermouth | 359m |
| Newton Road | Oystermouth | 415m |
| Oystermouth Square (Mumbles Road) | Mumbles | 488m |
Broadband
Broadband access in SA3 5SX (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 SA3 5SX (2019 data)
Download
| Median download speed | 50.0Mbps |
| Average download speed | 50.6Mbps |
| Maximum download speed | 62.89Mbps |
Upload
| Median upload speed | 11.5Mbps |
| Average upload speed | 10.6Mbps |
| Maximum upload speed | 13.45Mbps |
Broadband limitations in SA3 5SX (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% |
SA3 5SX gas and electricity consumption
Estimated total energy consumption in SA3 5SX by fuel type, 2015.
Gas
| Consumption (kWh) | 104,582 |
|---|---|
| Meter count | 7 |
| Mean (kWh/meter) | 14,940 |
| Median (kWh/meter) | 14,826 |
Electricity
| Consumption (kWh) | 19,837 |
|---|---|
| Meter count | 6 |
| Mean (kWh/meter) | 3,306 |
| Median (kWh/meter) | 3,340 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA3 5SX, for 2015.
- Meter count: The total number of meters in SA3 5SX.
- 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
3.2% of Welsh postcodes are less deprived than SA3 5SX:Food Standards Agency
Three nearest food hygiene ratings to SA3 5SX (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA3 5SX
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Mumbles P O | 18:30 | 12:30 | 566m |
| Newton P O | 17:45 | 11:30 | 640m |
| Highmead Av | 17:45 | 13:00 | 840m |
SA3 5SX ITL and SA3 5SX 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 SA3 5SX:
| 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 |
SA3 5SX 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 SA3 5SX:
| Code | Name | |
|---|---|---|
| OA | W00004425 | |
| LSOA | W01000827 | Swansea 031E |
| MSOA | W02000198 | Swansea 031 |
Nearest postcodes to SA3 5SX
| SA3 5SU | Glengower Close | 33m |
| SA3 5SZ | Helwick Close | 75m |
| SA3 5SY | Waverley Drive | 80m |
| SA3 4SL | Newton Road | 149m |
| SA3 5TA | Castle Road | 150m |
| SA3 4SN | Coltshill Drive | 155m |
| SA3 4BN | Newton Road | 194m |
| SA3 4BJ | Castle Square | 198m |
| SA3 4BH | Castle Street | 206m |
| SA3 4ND | Langland Road | 214m |
- 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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