| Postcode | NP11 7JH | 
|---|---|
| Post Town | Newport | 
| Nearest station | Hengoed (4 km) | 
| Bus stops | 
                       Post Office (SE) 
Black Prince (SE) 
Black Prince (NW) 
Pioneer Terrace (SE) 
Community Centre (NW) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 43 View | 
| Known addresses | 
                       Alderwood, High Street, Ynysddu 
                            White Gable, High Street, Ynysddu 
                            42 High Street, Ynysddu 
                            45 High Street, Ynysddu 
                            46 High Street, Ynysddu 
                            47 High Street, Ynysddu 
                            49 High Street, Ynysddu 
                            50 High Street, Ynysddu 
                            51 High Street, Ynysddu 
                            52 High Street, Ynysddu 
                            54 High Street, Ynysddu 
                            55 High Street, Ynysddu 
                            57 High Street, Ynysddu 
                            58 High Street, Ynysddu 
                            59 High Street, Ynysddu 
                            60 High Street, Ynysddu 
                            61 High Street, Ynysddu 
                            62 High Street, Ynysddu 
                            63 High Street, Ynysddu 
                            65 High Street, Ynysddu 
                            67 High Street, Ynysddu 
                            71 High Street, Ynysddu 
                            73 High Street, Ynysddu 
                            75 High Street, Ynysddu 
                            77 High Street, Ynysddu 
                            79 High Street, Ynysddu 
                            81 High Street, Ynysddu 
                            83 High Street, Ynysddu 
                       | 
                  
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.624134 | |
|---|---|---|
| Longitude | -3.185257 | |
| Easting | 318047 | |
| Northing | 192367 | |
| Grid reference | ST180923 | |
| UTM reference | 30U 487175 5719250 | |
| what3words | small.easygoing.chatters | |
| FixPhrase | crinkle lure shingle throwing | |
| Plus code | 9C3RJRF7+MV | |
| Altitude | 103 metres (338 feet) | |
| Sunrise (today) | 7:13 | |
| Sunset (today) | 16:42 | |
| Distance away | ||
| Distance to sea | 15.6 KMs (9.7 miles) | 
| Parish | Ynysddu | W04000750 | 
|---|---|---|
| Ward | Ynysddu | W05001677 | 
| 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 | June 1999 | 
|---|---|
| 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) | 115 | |
|---|---|---|
| Households (2011) | 36 | |
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Smaller rural: Nearer to a major town or city | |
| Rural/urban (2011) | Rural town and fringe | |
| Built up area (2024) | Ynysddu | W45001134 | 
| Census output area (2021) | W00007484 | |
| Census output area (2011) | 8C3 | |
| Lower layer super output area (2021) | Caerphilly 015B | W01001430 | 
| Lower layer super output area (2011) | Caerphilly 015B | W01001430 | 
| Middle layer super output area (2021) | Crosskeys South & Ynysddu | W02000304 | 
| Middle layer super output area (2011) | Crosskeys South & Ynysddu | W02000304 | 
| Travel to work area | Newport | K01000013 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 73 High Street, Ynysddu | Terraced (freehold) | May 2025 | £182,000 | 
| 42 High Street, Ynysddu | Terraced (freehold) | Feb 2025 | £154,000 | 
| Terraced (freehold) | Aug 1996 | £39,000 | |
| 83 High Street, Ynysddu | Terraced (freehold) | Dec 2024 | £137,000 | 
| 71 High Street, Ynysddu | Terraced (freehold) | Nov 2024 | £160,000 | 
| Terraced (freehold) | Nov 1999 | £36,000 | |
| 62 High Street, Ynysddu | Semi-detached (freehold) | Apr 2024 | £173,000 | 
| 55 High Street, Ynysddu | Terraced (freehold) | Dec 2022 | £140,000 | 
| 54 High Street, Ynysddu | Terraced (freehold) | Jul 2021 | £145,000 | 
| 61 High Street, Ynysddu | Terraced (freehold) | Feb 2021 | £83,500 | 
| 52 High Street, Ynysddu | Terraced (freehold) | Nov 2020 | £100,000 | 
| Terraced (freehold) | Mar 2006 | £85,000 | |
| Alderwood, High Street, Ynysddu | Detached (freehold) | Oct 2019 | £260,000 | 
| Other (freehold) | Oct 2019 | £260,000 |