SA3 4AY maps, stats, and open data
SA3 4AY lies on Castle Crescent in Mumbles, Swansea. SA3 4AY 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.
SA3 4AY geodata
| Easting | 261513 |
| Northing | 188269 |
| Latitude | 51.576230 |
| Longitude | -3.999907 |
Where is SA3 4AY?
| Street | Castle Crescent |
| Locality | Mumbles |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA3 |
SA3 4AY Elevation
Elevation or altitude of SA3 4AY as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 20m | 66ft |
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 4AY
2019 11 MAR £995,000 |
2014 31 OCT £750,000 |
2004 30 JUL £545,000 |
2000 26 JAN £182,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to SA3 4AY
| Oystermouth Square (Mumbles Road) | Mumbles | 64m |
| Newton Road | Oystermouth | 76m |
| Newton Road | Oystermouth | 117m |
| Oystermouth Square (Mumbles Road) | Mumbles | 128m |
| All Saint's Church (B4433) | Mumbles | 279m |
Broadband
Broadband access in SA3 4AY (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 4AY (2019 data)
Download
| Median download speed | 55.0Mbps |
| Average download speed | 68.3Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 1.0Mbps |
| Average upload speed | 6.4Mbps |
| Maximum upload speed | 19.53Mbps |
Broadband limitations in SA3 4AY (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 4AY gas and electricity consumption
Estimated total energy consumption in SA3 4AY by fuel type, 2015.
Gas
| Consumption (kWh) | 145,075 |
|---|---|
| Meter count | 9 |
| Mean (kWh/meter) | 16,119 |
| Median (kWh/meter) | 13,465 |
Electricity
| Consumption (kWh) | 32,616 |
|---|---|
| Meter count | 9 |
| Mean (kWh/meter) | 3,624 |
| Median (kWh/meter) | 3,330 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA3 4AY, for 2015.
- Meter count: The total number of meters in SA3 4AY.
- 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 4AY:Food Standards Agency
Three nearest food hygiene ratings to SA3 4AY (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA3 4AY
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Mumbles P O | 18:30 | 12:30 | 189m |
| Thistleboon | 17:30 | 13:00 | 829m |
| Newton P O | 17:45 | 11:30 | 1,069m |
SA3 4AY ITL and SA3 4AY 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 4AY:
| 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 4AY 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 4AY:
| Code | Name | |
|---|---|---|
| OA | W00004425 | |
| LSOA | W01000827 | Swansea 031E |
| MSOA | W02000198 | Swansea 031 |
Nearest postcodes to SA3 4AY
| SA3 4AU | Newton Road | 56m |
| SA3 4AT | Newton Road | 59m |
| SA3 4AX | Newton Road | 65m |
| SA3 4BA | Castle Avenue | 79m |
| SA3 4AR | Newton Road | 80m |
| SA3 4AS | Newton Road | 85m |
| SA3 4BX | Mumbles Road | 92m |
| SA3 4BD | Newton Road | 130m |
| SA3 4BB | Walters Crescent | 135m |
| SA3 4AA | Dunns Lane | 152m |
- Contains OS data © Crown copyright and database right (2025)
- Contains Royal Mail data © Royal Mail copyright and Database right (2025)
- Contains National Statistics data © Crown copyright and database right (2025)
- Data produced by Land Registry © Crown copyright (2025)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2025)
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