| Postcode | CF82 7TW | 
|---|---|
| Post Town | Hengoed | 
| Nearest station | Ystrad Mynach (2 km) | 
| Bus stops | Dyffryn Business Park (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 51 View | 
| Known addresses | Catnic, 2 Alder Avenue, Dyffryn Business Park Checkfire Ltd, Block A, Duffryn Park, 1 Alder Avenue, Dyffryn Business Park Uk Used Clothes Ltd, Unit C10, Block C, Duffryn Park, 1 Alder Avenue, Dyffryn Business Park 4 Alder Avenue, Dyffryn Business Park 10 Alder Avenue, Dyffryn Business Park | 
| Main property type | Other | 
| Businesses | 
| Latitude | 51.629339 | |
|---|---|---|
| Longitude | -3.229069 | |
| Easting | 315024 | |
| Northing | 192996 | |
| Grid reference | ST150929 | |
| UTM reference | 30U 484144 5719838 | |
| what3words | vibrating.discount.prospers | |
| FixPhrase | crinkle lurch shrunk tumble | |
| Plus code | 9C3RJQHC+P9 | |
| Altitude | 91 metres (299 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 17.2 KMs (10.7 miles) | 
| Parish | Maesycwmmer | W04000908 | 
|---|---|---|
| Ward | Maesycwmmer | W05001662 | 
| 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 | October 2009 | 
|---|---|
| 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) | 1 | |
|---|---|---|
| Households (2011) | 1 | |
| 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) | W00007168 | |
| Census output area (2011) | 1B1 | |
| Lower layer super output area (2021) | Caerphilly 012D | W01001369 | 
| Lower layer super output area (2011) | Caerphilly 012D | W01001369 | 
| Middle layer super output area (2021) | Hengoed & Maesycwmer | W02000301 | 
| Middle layer super output area (2011) | Hengoed & Maesycwmer | W02000301 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 10 Alder Avenue, Dyffryn Business Park | Other (freehold) | Oct 2023 | £377,476 | 
| 4 Alder Avenue, Dyffryn Business Park | Other (freehold) | Oct 2023 | £100,000 | 
| Checkfire Ltd, Block A, Duffryn Park, 1 Alder Avenue, Dyffryn Business Park | Other (freehold) | Feb 2021 | £6,410,000 | 
| Uk Used Clothes Ltd, Unit C10, Block C, Duffryn Park, 1 Alder Avenue, Dyffryn Business Park | Other (freehold) | Feb 2021 | £6,410,000 | 
| Catnic, 2 Alder Avenue, Dyffryn Business Park | Other (freehold) | Mar 2017 | £1,380,000 |