| Postcode | SA1 2DU | 
|---|---|
| Post Town | Swansea | 
| Nearest station | Swansea (1 km) | 
| Bus stops | Cwmfelin Club (NE) Waun Wen Inn (NW) Roundabout (NW) Waun Wen Inn (SE) Jack in the Box (NE) Gwili Terrace (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 17 View | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.634747 | |
|---|---|---|
| Longitude | -3.950038 | |
| Easting | 265141 | |
| Northing | 194684 | |
| Grid reference | SS651946 | |
| UTM reference | 30U 434250 5720842 | |
| what3words | works.fever.dots | |
| FixPhrase | crinkle lunacy sitter unsubtle | |
| Plus code | 9C3RJ2MX+VX | |
| Altitude | 49 metres (161 feet) | |
| Sunrise (today) | 7:09 | |
| Sunset (today) | 16:52 | |
| Distance away | ||
| Distance to sea | 2.6 KMs (1.6 miles) | 
| Parish | Castle | W04001033 | 
|---|---|---|
| Ward | Castle | W05001041 | 
| Unitary Authority | Swansea | W06000011 | 
| County | West Glamorgan | W11000008 | 
| Constituency (2024) | Swansea West | W07000108 | 
| MP | Torsten Bell | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Swansea | |
| NUTS/ITL 2 | Mid and South West Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | June 1997 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 25 | |
|---|---|---|
| Households (2011) | 16 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Swansea | W45001113 | 
| Census output area (2021) | W00004003 | |
| Census output area (2011) | 7C2 | |
| Lower layer super output area (2021) | Swansea 016A | W01000742 | 
| Lower layer super output area (2011) | Swansea 016A | W01000742 | 
| Middle layer super output area (2021) | Landore | W02000183 | 
| Middle layer super output area (2011) | Landore | W02000183 | 
| Travel to work area | Swansea | W22000032 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% |