| Postcode | CF82 7FA | 
|---|---|
| Post Town | Hengoed | 
| Nearest station | Ystrad Mynach (0 km) | 
| Bus stops | Ystrad Mynach Station (NW) Ystrad Mynach Station (SE) Tredomen Business Park (NW) Central Cafe (N) | 
| Roads in this postcode | |
| Number of UPRNs | 39 View | 
| Known addresses | 1 Pen Y Cae, Ystrad Mynach 2 Pen Y Cae, Ystrad Mynach 3 Pen Y Cae, Ystrad Mynach 4 Pen Y Cae, Ystrad Mynach 5 Pen Y Cae, Ystrad Mynach 7 Pen Y Cae, Ystrad Mynach 14 Pen Y Cae, Ystrad Mynach 17 Pen Y Cae, Ystrad Mynach 23 Pen Y Cae, Ystrad Mynach 24 Pen Y Cae, Ystrad Mynach 25 Pen Y Cae, Ystrad Mynach 26 Pen Y Cae, Ystrad Mynach 27 Pen Y Cae, Ystrad Mynach 29 Pen Y Cae, Ystrad Mynach 30 Pen Y Cae, Ystrad Mynach 31 Pen Y Cae, Ystrad Mynach 33 Pen Y Cae, Ystrad Mynach 39 Pen Y Cae, Ystrad Mynach | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.637341 | |
|---|---|---|
| Longitude | -3.24284 | |
| Easting | 314086 | |
| Northing | 193902 | |
| Grid reference | ST140939 | |
| UTM reference | 30U 483194 5720731 | |
| what3words | tile.tonal.plots | |
| FixPhrase | crinkle lurch skilled unbaked | |
| Plus code | 9C3RJQP4+WV | |
| Altitude | 122 metres (400 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 18.4 KMs (11.4 miles) | 
| Parish | Gelligaer | W04000736 | 
|---|---|---|
| Ward | Ystrad Mynach | W05001678 | 
| 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) | 90 | |
|---|---|---|
| Households (2011) | 35 | |
| 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) | Ystrad Mynach | W45001125 | 
| Census output area (2021) | W00007494 | |
| Census output area (2011) | 6B3 | |
| Lower layer super output area (2021) | Caerphilly 013F | W01001434 | 
| Lower layer super output area (2011) | Caerphilly 013F | W01001434 | 
| Middle layer super output area (2021) | Ystrad Mynach & Nelson | W02000302 | 
| Middle layer super output area (2011) | Ystrad Mynach & Nelson | W02000302 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 39 Pen Y Cae, Ystrad Mynach | Semi-detached (freehold) | Jun 2024 | £215,000 | 
| 7 Pen Y Cae, Ystrad Mynach | Detached (freehold) | Aug 2023 | £240,000 | 
| Detached (freehold) | Mar 1995 | £40,000 | |
| 27 Pen Y Cae, Ystrad Mynach | Semi-detached (freehold) | Mar 2023 | £230,000 | 
| 26 Pen Y Cae, Ystrad Mynach | Semi-detached (freehold) | Aug 2016 | £135,000 | 
| 5 Pen Y Cae, Ystrad Mynach | Detached (freehold) | Jan 2016 | £295,000 | 
| Detached (freehold) | Aug 2005 | £230,000 | |
| 31 Pen Y Cae, Ystrad Mynach | Semi-detached (freehold) | Jun 2015 | £147,000 | 
| 2 Pen Y Cae, Ystrad Mynach | Detached (freehold) | Jul 2014 | £220,000 | 
| Detached (freehold) | Aug 2006 | £230,000 | |
| 25 Pen Y Cae, Ystrad Mynach | Semi-detached (freehold) | Sep 2013 | £184,950 | 
| 14 Pen Y Cae, Ystrad Mynach | Semi-detached (freehold) | May 2011 | £138,000 | 
| 33 Pen Y Cae, Ystrad Mynach | Semi-detached (freehold) | Dec 2008 | £125,000 | 
| Semi-detached (freehold) | Jun 2004 | £125,000 |