SA3 5SZ lies on Helwick Close in Mumbles, Swansea. SA3 5SZ 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 March 1988.
| Easting | 261154 |
| Northing | 188284 |
| Latitude | 51.576272 |
| Longitude | -4.005071 |
| Street | Helwick Close |
| Locality | Mumbles |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA3 |
Elevation or altitude of SA3 5SZ 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.
| Ward | Mumbles |
|---|---|
| Constituency | Gower |
2024 16 AUG £480,000 |
5, HELWICK CLOSE, MUMBLES, SWANSEA, SA3 5SZ 2022 4 MAR £505,000 |
2018 26 APR £379,000 |
2012 31 OCT £345,000 |
2000 15 SEP £158,000 |
1997 2 DEC £117,500 |
| School (Newton Road) | Oystermouth | 113m |
| Underhill Park (Langland Road) | Oystermouth | 150m |
| Newton Road | Oystermouth | 289m |
| Newton Road | Oystermouth | 343m |
| Oystermouth Square (Mumbles Road) | Mumbles | 413m |
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 40.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| Median download speed | 16.4Mbps |
| Average download speed | 90.8Mbps |
| Maximum download speed | 350.00Mbps |
| Median upload speed | 1.0Mbps |
| Average upload speed | 4.2Mbps |
| Maximum upload speed | 13.54Mbps |
| 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 |
| Mumbles P O | 18:30 | 12:30 | 497m |
| Newton P O | 17:45 | 11:30 | 715m |
| Highmead Av | 17:45 | 13:00 | 912m |
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 5SZ:
| 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 5SZ:
| Code | Name | |
|---|---|---|
| OA | W00004425 | |
| LSOA | W01000827 | Swansea 031E |
| MSOA | W02000198 | Swansea 031 |
| SA3 5SX | Trinity Close | 75m |
| SA3 5TA | Castle Road | 78m |
| SA3 5SU | Glengower Close | 99m |
| SA3 5SY | Waverley Drive | 127m |
| SA3 4BJ | Castle Square | 134m |
| SA3 4BH | Castle Street | 135m |
| SA3 4BN | Newton Road | 144m |
| SA3 4BE | Newton Road | 155m |
| SA3 4NE | Stanley Street | 184m |
| SA3 4ND | Langland Road | 202m |