| Postcode | CF83 1DH | 
|---|---|
| Post Town | Caerphilly | 
| Nearest station | Aber (0 km) | 
| Bus stops | St. Athans Court (E) Trecastell Flats (NW) St. Martin's Crescent (NE) The Miners (W) St. Martin's Crescent (SW) The Miners (E) | 
| Roads in this postcode | |
| Number of UPRNs | 18 View | 
| Known addresses | 1 St Mellons Court, Caerphilly 2 St Mellons Court, Caerphilly 3 St Mellons Court, Caerphilly 8 St Mellons Court, Caerphilly 9 St Mellons Court, Caerphilly 10 St Mellons Court, Caerphilly 12 St Mellons Court, Caerphilly 16 St Mellons Court, Caerphilly 18 St Mellons Court, Caerphilly | 
| Main property type | Semi-detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.572135 | |
|---|---|---|
| Longitude | -3.228853 | |
| Easting | 314932 | |
| Northing | 186634 | |
| Grid reference | ST149866 | |
| UTM reference | 30U 484139 5713476 | |
| what3words | gear.saints.along | |
| FixPhrase | cringing lurch stellar thicket | |
| Plus code | 9C3RHQCC+VF | |
| Altitude | 94 metres (308 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 11.8 KMs (7.3 miles) | 
| Parish | Caerphilly | W04000904 | 
|---|---|---|
| Ward | St Martins | W05001674 | 
| Unitary Authority | Caerphilly | W06000018 | 
| County | Gwent | W11000003 | 
| Constituency (2024) | Caerphilly | W07000088 | 
| MP | Chris Evans | Labour | 
| Police force | Gwent | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Gwent Valleys | |
| NUTS/ITL 2 | South East Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | July 1995 | 
|---|---|
| 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) | 42 | |
|---|---|---|
| Households (2011) | 15 | |
| 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) | Caerphilly | W45001178 | 
| Census output area (2021) | W00007466 | |
| Census output area (2011) | 6B4 | |
| Lower layer super output area (2021) | Caerphilly 024B | W01001423 | 
| Lower layer super output area (2011) | Caerphilly 024B | W01001423 | 
| Middle layer super output area (2021) | Caerphilly South | W02000313 | 
| Middle layer super output area (2011) | Caerphilly South | W02000313 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 18 St Mellons Court, Caerphilly | Semi-detached (freehold) | Jul 2024 | £265,000 | 
| Semi-detached (freehold) | May 2006 | £142,000 | |
| 12 St Mellons Court, Caerphilly | Semi-detached (freehold) | Oct 2023 | £206,000 | 
| 16 St Mellons Court, Caerphilly | Semi-detached (freehold) | Feb 2023 | £215,000 | 
| 2 St Mellons Court, Caerphilly | Semi-detached (freehold) | May 2012 | £130,000 | 
| Semi-detached (leasehold) | Jul 2001 | £68,950 | |
| 9 St Mellons Court, Caerphilly | Semi-detached (freehold) | Nov 2006 | £127,000 | 
| Semi-detached (freehold) | Jun 1999 | £47,000 | |
| 8 St Mellons Court, Caerphilly | Semi-detached (freehold) | Oct 2003 | £88,500 | 
| 1 St Mellons Court, Caerphilly | Semi-detached (freehold) | Jun 2003 | £104,950 | 
| 3 St Mellons Court, Caerphilly | Semi-detached (leasehold) | May 1996 | £42,995 | 
| Semi-detached (leasehold) | Mar 1996 | £42,000 | |
| 10 St Mellons Court, Caerphilly | Semi-detached (leasehold) | Feb 1995 | £33,550 |