SA1 4NF maps, stats, and open data
SA1 4NF lies on St Helens Avenue in Swansea. SA1 4NF is located in the Uplands electoral ward, within the unitary authority of Swansea and the Welsh Parliamentary constituency of Swansea West. The Local Health Board is Swansea Bay University and the police force is South Wales. This postcode has been in use since January 1980.
SA1 4NF maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SA1 4NF geodata
| Easting | 264278 |
| Northing | 192459 |
| Latitude | 51.614554 |
| Longitude | -3.961652 |
Where is SA1 4NF?
| Street | St Helens Avenue |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA1 |
SA1 4NF Elevation
Elevation or altitude of SA1 4NF as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 10m | 33ft |
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 | Uplands |
|---|---|
| Constituency | Swansea West |
House Prices
Sales of detached houses in SA1 4NF
53A, ST HELENS AVENUE, SWANSEA, SA1 4NF 2024 19 JUL £195,000 |
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 SA1 4NF
| St Helens Crescent (St Helen`s Crescent) | Guildhall | 103m |
| St Helens Crescent (St Helen`s Cresent) | Swansea | 115m |
| King Edward Road Shops (King Edward`s Road) | Swansea | 173m |
| King Edward Road Shops (King Edward`s Road) | Swansea | 180m |
| St Helens Crescent | Guildhall | 203m |
Nearest railway stations to SA1 4NF
| Swansea Station | 1.8km |
Broadband
Broadband access in SA1 4NF (2020 data)
| Percentage of properties with Next Generation Access | 97.6% |
| Percentage of properties with Superfast Broadband | 97.6% |
| Percentage of properties with Ultrafast Broadband | 97.6% |
| Percentage of properties with Full Fibre Broadband | 31.7% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in SA1 4NF (2019 data)
Download
| Median download speed | 100.0Mbps |
| Average download speed | 109.2Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 1.0Mbps |
| Average upload speed | 0.9Mbps |
| Maximum upload speed | 1.09Mbps |
Broadband limitations in SA1 4NF (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 | 2.4% |
| Percentage of properties unable to receive 30Mbps | 2.4% |
SA1 4NF gas and electricity consumption
Estimated total energy consumption in SA1 4NF by fuel type, 2015.
Gas
| Consumption (kWh) | 369,106 |
|---|---|
| Meter count | 35 |
| Mean (kWh/meter) | 10,546 |
| Median (kWh/meter) | 10,301 |
Electricity
| Consumption (kWh) | 99,976 |
|---|---|
| Meter count | 36 |
| Mean (kWh/meter) | 2,777 |
| Median (kWh/meter) | 2,522 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA1 4NF, for 2015.
- Meter count: The total number of meters in SA1 4NF.
- 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
41.9% of Welsh postcodes are less deprived than SA1 4NF:Food Standards Agency
Three nearest food hygiene ratings to SA1 4NF (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA1 4NF
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| St Helens Cres | 18:00 | 11:30 | 230m |
| Carnglas Road P O | 18:15 | 11:15 | 412m |
| Uplands P O | 18:15 | 13:00 | 486m |
SA1 4NF ITL and SA1 4NF 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 SA1 4NF:
| 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 |
SA1 4NF 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 SA1 4NF:
| Code | Name | |
|---|---|---|
| OA | W00004634 | |
| LSOA | W01000875 | Swansea 026D |
| MSOA | W02000193 | Swansea 026 |
Nearest postcodes to SA1 4NF
| SA1 4NQ | St Helens Avenue | 31m |
| SA1 4NH | Francis Street | 80m |
| SA1 4LL | King Edwards Road | 86m |
| SA1 4NP | Francis Street | 90m |
| SA1 4LN | King Edwards Road | 125m |
| SA1 4NA | St Helens Crescent | 156m |
| SA1 4LW | King Edwards Road | 159m |
| SA1 4LP | Bay View Crescent | 166m |
| SA1 4NN | St Helens Avenue | 175m |
| SA1 4LH | King Edwards Road | 188m |
- 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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