| Postcode | CF3 9XB | 
|---|---|
| Post Town | Cardiff | 
| Nearest station | Llanishen (5 km) | 
| Bus stops | 
                       Llaneirwg Way (SW) 
Wern Fawr Lane (NE) 
Llaneirwg Way (NE) 
Sanderling Drive (NE) 
Heritage Inn (SW) 
Llaneirwg Way (SE) 
                     | 
                  
| Known addresses | 
                       
                          No addresses found
                       
                     | 
                  
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.528994 | |
|---|---|---|
| Longitude | -3.105629 | |
| Easting | 323399 | |
| Northing | 181700 | |
| Grid reference | ST233817 | |
| UTM reference | 30U 492672 5708658 | |
| what3words | paid.soup.spring | |
| FixPhrase | cringing lure shudder tactical | |
| Plus code | 9C3RGVHV+HP | |
| Altitude | 35 metres (115 feet) | |
| Sunrise (today) | 7:10 | |
| Sunset (today) | 16:43 | |
| Distance away | ||
| Distance to sea | 3.2 KMs (2 miles) | 
| Parish | Old St. Mellons | W04000888 | 
|---|---|---|
| Ward | Pontprennau and Old St Mellons | W05001290 | 
| Unitary Authority | Cardiff | W06000015 | 
| County | South Glamorgan | W11000007 | 
| Constituency (2024) | Cardiff North | W07000090 | 
| MP | Anna McMorrin | Labour | 
| Police force | South Wales | |
| NUTS/ITL 3 | Cardiff and Vale of Glamorgan | |
| NUTS/ITL 2 | South East Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | January 1980 | 
|---|---|
| Date usage ended | June 1999 | 
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference | 
| 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) | Cardiff | W45001208 | 
| Census output area (2021) | W00009481 | |
| Census output area (2011) | 5A2 | |
| Lower layer super output area (2021) | Cardiff 007D | W01001840 | 
| Lower layer super output area (2011) | Cardiff 007D | W01001840 | 
| Middle layer super output area (2021) | Llanrumney North | W02000373 | 
| Middle layer super output area (2011) | Llanrumney North | W02000373 | 
| Travel to work area | Cardiff | W22000024 |