| Postcode | SA4 3PD | 
|---|---|
| Post Town | Swansea | 
| Nearest station | Gowerton (3 km) | 
| Bus stops | 
                       Brynymor (NW) 
Joiners Road (E) 
Poundffald Turn (W) 
Tirmynydd Farm (NW) 
Joiners` Arms (W) 
Poundffald Inn (SE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 3 View | 
| Known addresses | 
                       16 Tirmynydd Road, Three Crosses 
                            18 Tirmynydd Road, Three Crosses 
                       | 
                  
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.628442 | |
|---|---|---|
| Longitude | -4.07088 | |
| Easting | 256759 | |
| Northing | 194213 | |
| Grid reference | SS567942 | |
| UTM reference | 30U 425877 5720256 | |
| what3words | enhances.orbited.witless | |
| FixPhrase | crinkle lumpish shrank unexposed | |
| Plus code | 9C3QJWHH+9J | |
| Altitude | 112 metres (366 feet) | |
| Sunrise (today) | 7:16 | |
| Sunset (today) | 16:45 | |
| Distance away | ||
| Distance to sea | 3.1 KMs (1.9 miles) | 
| Parish | Three Crosses | W04000977 | 
|---|---|---|
| Ward | Fairwood | W05001046 | 
| Unitary Authority | Swansea | W06000011 | 
| County | West Glamorgan | W11000008 | 
| Constituency (2024) | Gower | W07000097 | 
| MP | Tonia Antoniazzi | 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 | January 1980 | 
|---|---|
| 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) | 7 | |
|---|---|---|
| Households (2011) | 3 | |
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Larger rural: Nearer to a major town or city | |
| Rural/urban (2011) | Rural town and fringe | |
| Built up area (2024) | Three Crosses | W45001126 | 
| Census output area (2021) | W00004142 | |
| Census output area (2011) | 6A3 | |
| Lower layer super output area (2021) | Swansea 018A | W01000772 | 
| Lower layer super output area (2011) | Swansea 018A | W01000772 | 
| Middle layer super output area (2021) | Llanmorlais & Three Crosses | W02000185 | 
| Middle layer super output area (2011) | Llanmorlais & Three Crosses | W02000185 | 
| Travel to work area | Swansea | W22000032 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 16 Tirmynydd Road, Three Crosses | Semi-detached (freehold) | Jun 2011 | £244,000 | 
| 18 Tirmynydd Road, Three Crosses | Detached (freehold) | Apr 2002 | £117,500 |