SA3 4JN lies on Westcliff in Mumbles, Swansea. SA3 4JN 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.
GetTheData
Source: OS OpenMap – Local (Ordnance Survey)
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
| Easting | 262318 |
| Northing | 187202 |
| Latitude | 51.566834 |
| Longitude | -3.987860 |
GetTheData
Source: Open Postcode Geo
Licence: Open Government Licence
| Street | Westcliff |
| Locality | Mumbles |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA3 |
➜ See where SA3 is on a map ➜ Where is Swansea? | |
GetTheData
Source: Land Registry Price Paid Data
Licence: Open Government Licence
Elevation or altitude of SA3 4JN 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.
GetTheData
Source: Open Postcode Elevation
Licence: Open Government Licence
| Ward | Mumbles |
| Constituency | Gower |
GetTheData
Source: ONS Postcode Database
Licence: Open Government Licence
16, WESTCLIFF, MUMBLES, SWANSEA, SA3 4JN 2021 13 AUG £252,550 |
2016 17 OCT £360,000 |
18, WESTCLIFF, MUMBLES, SWANSEA, SA3 4JN 2015 10 APR £202,000 |
2010 19 NOV £475,000 |
13, WESTCLIFF, MUMBLES, SWANSEA, SA3 4JN 2007 20 APR £345,000 |
2003 24 SEP £110,000 |
6, WESTCLIFF, MUMBLES, SWANSEA, SA3 4JN 2002 28 FEB £95,100 |
13, WESTCLIFF, MUMBLES, SWANSEA, SA3 4JN 1999 27 SEP £64,000 |
1999 4 JUN £59,000 |
6, WESTCLIFF, MUMBLES, SWANSEA, SA3 4JN 1998 28 AUG £71,500 |
GetTheData
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
| Westcliff (Plunch Lane) | Limeslade | 108m |
| Sealands Drive (Plunch Lane) | Limeslade | 110m |
| Plunch Lane | Limeslade | 174m |
| Car Park (Plunch Lane) | Limeslade | 181m |
| Car Park (Plunch Lane) | Limeslade | 195m |
GetTheData
Source: NaPTAN
Licence: Open Government Licence
| 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
| Median download speed | 30.5Mbps |
| Average download speed | 29.4Mbps |
| Maximum download speed | 50.73Mbps |
| Median upload speed | 5.2Mbps |
| Average upload speed | 4.9Mbps |
| Maximum upload speed | 9.03Mbps |
| 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% |
GetTheData
Source: Ofcom
Licence: Ofcom Terms of Use (requires attribution)
Estimated total energy consumption in SA3 4JN by fuel type, 2015.
| Consumption (kWh) | 41,686 |
|---|---|
| Meter count | 9 |
| Mean (kWh/meter) | 4,632 |
| Median (kWh/meter) | 2,284 |
GetTheData
Source: Postcode level gas estimates: 2015 (experimental)
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
GetTheData
Source: ONS Postcode Database
Licence: Open Government Licence
➜ Get more ratings from the Food Standards Agency
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Source: Food Standards Agency
Licence: FSA terms & conditions
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Thistleboon | 17:30 | 13:00 | 508m |
| Mumbles P O | 18:30 | 12:30 | 1,148m |
| Newton P O | 17:45 | 11:30 | 2,107m |
GetTheData
Source: Dracos
Licence: Creative Commons Attribution-ShareAlike
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 4JN:
| 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 |
GetTheData
Source: ONS Postcode Directory
Licence: Open Government Licence
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SA3 4JN:
| Code | Name | |
|---|---|---|
| OA | W00004419 | |
| LSOA | W01000826 | Swansea 031D |
| MSOA | W02000198 | Swansea 031 |
GetTheData
Source: ONS Postcode Directory
Licence: Open Government Licence
| SA3 4JZ | Westcliff Mews | 23m |
| SA3 4JP | Bridle Mews | 35m |
| SA3 4JU | Sealands Drive | 83m |
| SA3 4JE | Plunch Lane | 84m |
| SA3 4JG | Sarlou Close | 101m |
| SA3 4JR | Limeslade Drive | 122m |
| SA3 4JY | Plunch Lane | 132m |
| SA3 4HR | William Gammon Drive | 141m |
| SA3 4JS | Aelybryn | 163m |
| SA3 4JW | Limeslade Court | 186m |
GetTheData
Source: Open Postcode Geo; Land Registry Price Paid Data
Licence: Open Government Licence
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