SA1 4DN maps, stats, and open data
SA1 4DN lies on St Helens Road in Swansea. SA1 4DN is located in the Castle 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 April 1987.
SA1 4DN maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SA1 4DN geodata
| Easting | 264669 |
| Northing | 192721 |
| Latitude | 51.616998 |
| Longitude | -3.956091 |
Where is SA1 4DN?
| Street | St Helens Road |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA1 |
SA1 4DN Elevation
Elevation or altitude of SA1 4DN 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 | Castle |
|---|---|
| Constituency | Swansea West |
House Prices
Sales of detached houses in SA1 4DN
FLAT 89, HOMEGOWER HOUSE, ST HELENS ROAD, SWANSEA, SA1 4DN 2011 27 MAY £94,000 |
FLAT 89, HOMEGOWER HOUSE, ST HELENS ROAD, SWANSEA, SA1 4DN 2002 27 MAR £78,000 |
FLAT 86, HOMEGOWER HOUSE, ST HELENS ROAD, SWANSEA, SA1 4DN 2002 22 MAR £48,500 |
FLAT 105, HOMEGOWER HOUSE, ST HELENS ROAD, SWANSEA, SA1 4DN 2001 2 APR £73,000 |
FLAT 86, HOMEGOWER HOUSE, ST HELENS ROAD, SWANSEA, SA1 4DN 2000 14 SEP £47,000 |
FLAT 86, HOMEGOWER HOUSE, ST HELENS ROAD, SWANSEA, SA1 4DN 1996 13 SEP £42,000 |
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 4DN
| St Helens Road (St Helen`s Road) | Guildhall | 34m |
| Beach Street (Oxford Street) | Swansea | 116m |
| Masonic (St Helen`s Road) | Swansea | 210m |
| Argyle Street (Oxford Street) | Swansea | 227m |
| St George Hotel (Walter Road) | Swansea | 281m |
Nearest railway stations to SA1 4DN
| Swansea Station | 1.4km |
Broadband
Broadband access in SA1 4DN (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 | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in SA1 4DN (2019 data)
Download
| Median download speed | 40.0Mbps |
| Average download speed | 38.3Mbps |
| Maximum download speed | 68.05Mbps |
Upload
| Median upload speed | 10.0Mbps |
| Average upload speed | 9.4Mbps |
| Maximum upload speed | 17.44Mbps |
Broadband limitations in SA1 4DN (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% |
SA1 4DN gas and electricity consumption
Estimated total energy consumption in SA1 4DN by fuel type, 2015.
Electricity
| Consumption (kWh) | 127,455 |
|---|---|
| Meter count | 33 |
| Mean (kWh/meter) | 3,862 |
| Median (kWh/meter) | 3,038 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA1 4DN, for 2015.
- Meter count: The total number of meters in SA1 4DN.
- 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
66.4% of Welsh postcodes are less deprived than SA1 4DN:Food Standards Agency
Three nearest food hygiene ratings to SA1 4DN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA1 4DN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| St Helens Road | 17:45 | 11:15 | 28m |
| St Helens Cres | 18:00 | 11:30 | 269m |
| Argyle Street P O | 18:00 | 10:15 | 342m |
SA1 4DN ITL and SA1 4DN 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 4DN:
| 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 4DN 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 4DN:
| Code | Name | |
|---|---|---|
| OA | W00003995 | |
| LSOA | W01000749 | Swansea 026A |
| MSOA | W02000193 | Swansea 026 |
Nearest postcodes to SA1 4DN
| SA1 4DH | St Helens Road | 0m |
| SA1 4DL | St Helens Road | 0m |
| SA1 4DW | St Helens Road | 0m |
| SA1 4BE | St Helens Road | 43m |
| SA1 4BG | St Helens Road | 85m |
| SA1 3JJ | Oxford Street | 85m |
| SA1 4JL | Phillips Parade | 93m |
| SA1 4BD | St Helens Road | 97m |
| SA1 4BB | St Helens Road | 112m |
| SA1 4JR | Brunswick Street | 126m |
- 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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