| Postcode | SA10 9LW | 
|---|---|
| Post Town | Neath | 
| Nearest station | Treherbert (14 km) | 
| Bus stops | Banwen Rugby Club (NW) Roman Road (SW) The Dyffryn (SE) The Dyffryn (NW) | 
| Number of UPRNs | 8 View | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
| Latitude | 51.771805 | |
|---|---|---|
| Longitude | -3.658052 | |
| Easting | 285693 | |
| Northing | 209427 | |
| Grid reference | SN856094 | |
| UTM reference | 30U 454595 5735863 | |
| what3words | conveying.headers.candles | |
| FixPhrase | crinkly luncheon staunch user | |
| Plus code | 9C3RQ8CR+PQ | |
| Altitude | 243 metres (796 feet) | |
| Sunrise (today) | 7:08 | |
| Sunset (today) | 16:50 | |
| Distance away | ||
| Distance to sea | 19.9 KMs (12.4 miles) | 
| Parish | Onllwyn | W04001026 | 
|---|---|---|
| Ward | Crynant, Onllwyn and Seven Sisters | W05001694 | 
| Unitary Authority | Neath Port Talbot | W06000012 | 
| County | West Glamorgan | W11000008 | 
| Constituency (2024) | Neath and Swansea East | W07000103 | 
| MP | Carolyn Harris | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Neath Port Talbot | |
| NUTS/ITL 2 | Mid and South West Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | January 1980 | 
|---|---|
| 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 | 
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
|---|---|---|
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Smaller rural: Further from a major town or city | |
| Rural/urban (2011) | Rural village | |
| Built up area (2024) | Dyffryn Cellwen | W45000991 | 
| Census output area (2021) | W00005020 | |
| Census output area (2011) | 8A1 | |
| Lower layer super output area (2021) | Neath Port Talbot 002B | W01000944 | 
| Lower layer super output area (2011) | Neath Port Talbot 002B | W01000944 | 
| Middle layer super output area (2021) | Dulais Valley | W02000200 | 
| Middle layer super output area (2011) | Dulais Valley | W02000200 | 
| Travel to work area | Swansea | W22000032 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% |