| Postcode | CF3 0RB | 
|---|---|
| Post Town | Cardiff | 
| Nearest station | Heath High Level (6 km) | 
| Bus stops | 
                       Willowbrook School (S) 
Willowbrook School (NE) 
Maes-Y-Crochan (N) 
Cypress Drive (N) 
Kwik Save (NW) 
Kwik Save (SE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 13 View | 
| Known addresses | 
                       1 Fen Violet Close, St Mellons 
                            2 Fen Violet Close, St Mellons 
                            3 Fen Violet Close, St Mellons 
                            4 Fen Violet Close, St Mellons 
                            6 Fen Violet Close, St Mellons 
                            8 Fen Violet Close, St Mellons 
                            9 Fen Violet Close, St Mellons 
                            11 Fen Violet Close, St Mellons 
                            12 Fen Violet Close, St Mellons 
                       | 
                  
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.521835 | |
|---|---|---|
| Longitude | -3.088519 | |
| Easting | 324574 | |
| Northing | 180886 | |
| Grid reference | ST245808 | |
| UTM reference | 30U 493858 5707861 | |
| what3words | shots.froze.again | |
| FixPhrase | cringing luridness shank usage | |
| Plus code | 9C3RGWC6+PH | |
| Altitude | 8 metres (26 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:41 | |
| Distance away | ||
| Distance to sea | 1.8 KMs (1.1 miles) | 
| Parish | Trowbridge | W04001008 | 
|---|---|---|
| Ward | Trowbridge | W05001296 | 
| Unitary Authority | Cardiff | W06000015 | 
| County | South Glamorgan | W11000007 | 
| Constituency (2024) | Cardiff East | W07000089 | 
| MP | Jo Stevens | 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 | September 1991 | 
|---|---|
| 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) | 23 | |
|---|---|---|
| Households (2011) | 12 | |
| 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) | W00009688 | |
| Census output area (2011) | 6B2 | |
| Lower layer super output area (2021) | Cardiff 011C | W01001882 | 
| Lower layer super output area (2011) | Cardiff 011C | W01001882 | 
| Middle layer super output area (2021) | Pwll-mawr & St Mellons East | W02000377 | 
| Middle layer super output area (2011) | Pwll-mawr & St Mellons East | W02000377 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £222,873 | 
|---|---|
| Annual change | 2.8% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 1 Fen Violet Close, St Mellons | Semi-detached (freehold) | Jul 2024 | £250,000 | 
| 12 Fen Violet Close, St Mellons | Semi-detached (freehold) | May 2021 | £200,000 | 
| Semi-detached (freehold) | Sep 2006 | £119,950 | |
| Semi-detached (freehold) | Dec 1996 | £41,500 | |
| 2 Fen Violet Close, St Mellons | Semi-detached (freehold) | Mar 2021 | £213,000 | 
| Semi-detached (freehold) | May 2008 | £166,000 | |
| Semi-detached (freehold) | Sep 2004 | £150,000 | |
| 3 Fen Violet Close, St Mellons | Semi-detached (freehold) | Nov 2019 | £220,000 | 
| Semi-detached (freehold) | Aug 2007 | £150,000 | |
| Semi-detached (freehold) | May 2000 | £65,950 | |
| Semi-detached (freehold) | Sep 1997 | £59,850 | |
| 11 Fen Violet Close, St Mellons | Semi-detached (freehold) | Mar 2019 | £214,000 | 
| Semi-detached (freehold) | Dec 2013 | £146,000 | |
| Semi-detached (freehold) | Nov 2006 | £156,950 | |
| 8 Fen Violet Close, St Mellons | Semi-detached (freehold) | Sep 2018 | £185,000 | 
| 9 Fen Violet Close, St Mellons | Semi-detached (freehold) | Mar 2015 | £173,000 | 
| 6 Fen Violet Close, St Mellons | Semi-detached (freehold) | May 2006 | £115,000 | 
| Semi-detached (freehold) | Jul 2000 | £68,000 | |
| 4 Fen Violet Close, St Mellons | Semi-detached (freehold) | Aug 2005 | £150,000 |