| Postcode | NP12 3UH | 
|---|---|
| Post Town | Blackwood | 
| Nearest station | Hengoed (1 km) | 
| Bus stops | Ysgol Gufyn Cwm Rhymni (SE) Bryngwyn Street (N) Gwent Court (SE) Bryngwyn Street (S) Gwent Court (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 40 View | 
| Known addresses | Castle Inn, Castle Street, Fleur De Lis Cherry Wood House, 15 Castle Street, Fleur De Lis Diosg, Castle Street, Fleur De Lis Tyree, Castle Street, Fleur De Lis Wesleyan, Castle Street, Fleur De Lis Yew Tree House, Castle Street, Fleur De Lis 2 Castle Street, Fleur De Lis 17 Castle Street, Fleur De Lis 21 Castle Street, Fleur De Lis 22 Castle Street, Fleur De Lis 23 Castle Street, Fleur De Lis 25 Castle Street, Fleur De Lis 27 Castle Street, Fleur De Lis 29 Castle Street, Fleur De Lis 36 Castle Street, Fleur De Lis 37 Castle Street, Fleur De Lis 43 Castle Street, Fleur De Lis 44 Castle Street, Fleur De Lis 45 Castle Street, Fleur De Lis 46 Castle Street, Fleur De Lis 48 Castle Street, Fleur De Lis 51 Castle Street, Fleur De Lis | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.659411 | |
|---|---|---|
| Longitude | -3.220962 | |
| Easting | 315641 | |
| Northing | 196331 | |
| Grid reference | ST156963 | |
| UTM reference | 30U 484715 5723181 | |
| what3words | repeated.regret.wiggling | |
| FixPhrase | crinkle lurch sponsor unexpired | |
| Plus code | 9C3RMQ5H+QJ | |
| Altitude | 141 metres (462 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 20.1 KMs (12.5 miles) | 
| Parish | Pengam | W04000909 | 
|---|---|---|
| Ward | Cefn Fforest and Pengam | W05001654 | 
| 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) | 84 | |
|---|---|---|
| Households (2011) | 33 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Further from a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Fleur-de-lis and Pengam | W45001105 | 
| Census output area (2021) | W00007272 | |
| Census output area (2011) | 8A1 | |
| Lower layer super output area (2021) | Caerphilly 007E | W01001389 | 
| Lower layer super output area (2011) | Caerphilly 007E | W01001389 | 
| Middle layer super output area (2021) | Pengam & Cefn Fforest | W02000296 | 
| Middle layer super output area (2011) | Pengam & Cefn Fforest | W02000296 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Newport | £221,300 | 
|---|---|
| Annual change | 2.7% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Diosg, Castle Street, Fleur De Lis | Detached (freehold) | May 2025 | £410,000 | 
| Detached (freehold) | Oct 2019 | £306,000 | |
| Detached (freehold) | May 2017 | £280,000 | |
| 36 Castle Street, Fleur De Lis | Detached (freehold) | Jun 2022 | £431,000 | 
| Castle Inn, Castle Street, Fleur De Lis | Other (freehold) | Nov 2021 | £260,000 | 
| 46 Castle Street, Fleur De Lis | Semi-detached (freehold) | Jun 2020 | £132,000 | 
| Semi-detached (freehold) | Nov 2001 | £38,000 | |
| 27 Castle Street, Fleur De Lis | Terraced (freehold) | Oct 2019 | £114,000 | 
| Terraced (freehold) | Sep 2007 | £94,000 | |
| 43 Castle Street, Fleur De Lis | Detached (freehold) | Apr 2019 | £145,000 | 
| Detached (freehold) | Aug 2002 | £19,766 | |
| 37 Castle Street, Fleur De Lis | Detached (freehold) | Apr 2019 | £325,000 | 
| Detached (freehold) | Oct 2015 | £240,000 | |
| 2 Castle Street, Fleur De Lis | Semi-detached (freehold) | Mar 2018 | £223,000 | 
| Semi-detached (freehold) | Aug 2009 | £115,000 | |
| 17 Castle Street, Fleur De Lis | Detached (freehold) | Mar 2016 | £260,000 | 
| 23 Castle Street, Fleur De Lis | Terraced (freehold) | Nov 2015 | £82,500 |