| Postcode | NP12 2NR | 
|---|---|
| Post Town | Blackwood | 
| Nearest station | Hengoed (2 km) | 
| Bus stops | Treowen Avenue (SE) Broadmead (NW) Lime Grove (E) Lime Grove (W) Gelli Lane (W) Gelli Lane (E) | 
| Roads in this postcode | |
| Number of UPRNs | 43 View | 
| Known addresses | 1 St Marys Road, Pontllanfraith 2 St Marys Road, Pontllanfraith 6 St Marys Road, Pontllanfraith 7 St Marys Road, Pontllanfraith 9 St Marys Road, Pontllanfraith 12 St Marys Road, Pontllanfraith 13 St Marys Road, Pontllanfraith 14 St Marys Road, Pontllanfraith 15 St Marys Road, Pontllanfraith 17 St Marys Road, Pontllanfraith 22 St Marys Road, Pontllanfraith 23 St Marys Road, Pontllanfraith 24 St Marys Road, Pontllanfraith 27 St Marys Road, Pontllanfraith 28 St Marys Road, Pontllanfraith 30 St Marys Road, Pontllanfraith 31 St Marys Road, Pontllanfraith 32 St Marys Road, Pontllanfraith 34 St Marys Road, Pontllanfraith 36 St Marys Road, Pontllanfraith 40 St Marys Road, Pontllanfraith | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.652764 | |
|---|---|---|
| Longitude | -3.198449 | |
| Easting | 317186 | |
| Northing | 195566 | |
| Grid reference | ST171955 | |
| UTM reference | 30U 486271 5722437 | |
| what3words | crispier.cool.locator | |
| FixPhrase | crinkle lure snowman useable | |
| Plus code | 9C3RMR32+4J | |
| Altitude | 201 metres (659 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 18.8 KMs (11.7 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) | 89 | |
|---|---|---|
| Households (2011) | 38 | |
| 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 | 
|---|---|---|---|
| 36 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Aug 2025 | £210,000 | 
| Semi-detached (freehold) | Sep 2020 | £157,000 | |
| Semi-detached (freehold) | Nov 2006 | £120,000 | |
| 30 St Marys Road, Pontllanfraith | Terraced (freehold) | Nov 2023 | £180,000 | 
| Terraced (freehold) | Nov 2006 | £106,000 | |
| Terraced (freehold) | May 1999 | £31,000 | |
| 9 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Oct 2023 | £164,000 | 
| Semi-detached (freehold) | Sep 2016 | £90,500 | |
| Semi-detached (freehold) | Mar 2014 | £65,000 | |
| 27 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Aug 2021 | £97,000 | 
| Semi-detached (freehold) | Feb 2005 | £95,000 | |
| Semi-detached (freehold) | Sep 2001 | £28,000 | |
| 40 St Marys Road, Pontllanfraith | Terraced (freehold) | Aug 2021 | £97,000 | 
| Terraced (freehold) | Nov 2010 | £105,000 | |
| Terraced (freehold) | Jan 2002 | £41,950 | |
| 23 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Nov 2020 | £138,000 | 
| 31 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Sep 2020 | £82,500 | 
| 28 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Dec 2019 | £86,000 | 
| 34 St Marys Road, Pontllanfraith | Semi-detached (freehold) | Oct 2019 | £99,950 | 
| 6 St Marys Road, Pontllanfraith | Semi-detached (freehold) | May 2019 | £134,000 | 
| Semi-detached (freehold) | Oct 2011 | £84,000 | |
| Semi-detached (freehold) | Jul 1999 | £38,000 |