| Postcode | CF3 9XW | 
|---|---|
| Post Town | Cardiff | 
| Nearest station | Llanishen (5 km) | 
| Bus stops | 
                       No nearby bus stops 
                     | 
                  
| Known addresses | 
                       
                          No addresses found
                       
                     | 
                  
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.543235 | |
|---|---|---|
| Longitude | -3.117237 | |
| Easting | 322618 | |
| Northing | 183296 | |
| Grid reference | ST226832 | |
| UTM reference | 30U 491869 5710244 | |
| what3words | baker.buying.flask | |
| FixPhrase | cringing lure slip travesty | |
| Plus code | 9C3RGVVM+74 | |
| Altitude | 20 metres (66 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:42 | |
| Distance away | ||
| Distance to sea | 5.1 KMs (3.2 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 | |
| Water company | Dwr Cymru Welsh Water | |
| 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 | Large (addresses receive more 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 | |
| Census output area (2021) | W00010534 | |
| Census output area (2011) | 6A1 | |
| Lower layer super output area (2021) | Cardiff 003E | W01002016 | 
| Lower layer super output area (2011) | Cardiff 003C | W01001843 | 
| Middle layer super output area (2021) | Pontprennau | W02000369 | 
| Middle layer super output area (2011) | Pontprennau | W02000369 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £222,873 | 
|---|---|
| Annual change | 2.8% |