| Postcode | NP12 2NS | 
|---|---|
| Post Town | Blackwood | 
| Nearest station | Hengoed (2 km) | 
| Bus stops | Treowen Avenue (SE) The Circle (NW) The Green (SE) Mynyddislwyn Close (NW) Lime Grove (W) Lime Grove (E) | 
| Roads in this postcode | |
| Number of UPRNs | 43 View | 
| Known addresses | 46 St Marys Road, Pontllanfraith 47 St Marys Road, Pontllanfraith 49 St Marys Road, Pontllanfraith 51 St Marys Road, Pontllanfraith 52 St Marys Road, Pontllanfraith 53 St Marys Road, Pontllanfraith 54 St Marys Road, Pontllanfraith 56 St Marys Road, Pontllanfraith 59 St Marys Road, Pontllanfraith 60 St Marys Road, Pontllanfraith 61 St Marys Road, Pontllanfraith 62 St Marys Road, Pontllanfraith 69 St Marys Road, Pontllanfraith 72 St Marys Road, Pontllanfraith 74 St Marys Road, Pontllanfraith 76 St Marys Road, Pontllanfraith 78 St Marys Road, Pontllanfraith | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.654031 | |
|---|---|---|
| Longitude | -3.200318 | |
| Easting | 317059 | |
| Northing | 195709 | |
| Grid reference | ST170957 | |
| UTM reference | 30U 486142 5722578 | |
| what3words | sizzled.intro.scaffold | |
| FixPhrase | crinkle lurch spelling theater | |
| Plus code | 9C3RMQ3X+JV | |
| Altitude | 210 metres (689 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 19 KMs (11.8 miles) | 
| Parish | Pontllanfraith | W04000912 | 
|---|---|---|
| Ward | Pontllanfraith | W05001670 | 
| 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) | 70 | |
|---|---|---|
| Households (2011) | 37 | |
| 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) | Pontllanfraith | W45001115 | 
| Census output area (2021) | W00007345 | |
| Census output area (2011) | 8A2 | |
| Lower layer super output area (2021) | Caerphilly 011B | W01001402 | 
| Lower layer super output area (2011) | Caerphilly 011B | W01001402 | 
| Middle layer super output area (2021) | Pontllan-fraith | W02000300 | 
| Middle layer super output area (2011) | Pontllan-fraith | W02000300 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Newport | £221,300 | 
|---|---|
| Annual change | 2.7% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 53 St Marys Road, Pontllanfraith | Semi-detached (freehold) | May 2025 | £110,000 | 
| Semi-detached (freehold) | Oct 2005 | £79,000 | |
| 72 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Dec 2024 | £160,000 | 
| Semi-detached (freehold) | Oct 2018 | £110,000 | |
| Semi-detached (freehold) | Nov 2017 | £72,000 | |
| 69 St Marys Road, Pontllanfraith | Terraced (freehold) | Oct 2024 | £143,000 | 
| 61 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Oct 2023 | £153,000 | 
| Semi-detached (freehold) | Dec 2022 | £138,500 | |
| 54 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Apr 2023 | £154,950 | 
| Semi-detached (freehold) | Mar 1997 | £29,500 | |
| 59 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Mar 2023 | £140,000 | 
| 78 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Oct 2022 | £140,000 | 
| Semi-detached (freehold) | Sep 2018 | £98,000 | |
| 46 St Marys Road, Pontllanfraith | Terraced (freehold) | Oct 2021 | £136,000 | 
| Terraced (freehold) | Jan 2008 | £102,000 | |
| 74 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Jul 2021 | £124,000 | 
| Semi-detached (freehold) | May 2020 | £95,000 | |
| Semi-detached (freehold) | Dec 1997 | £34,000 | |
| Semi-detached (freehold) | Jan 1996 | £26,500 | |
| 62 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Oct 2019 | £126,500 |