| Postcode | SA10 9LB | 
|---|---|
| Post Town | Neath | 
| Nearest station | Treherbert (15 km) | 
| Bus stops | The Dyffryn (NW) Banwen Shops (SE) The Dyffryn (SE) Banwen Rugby Club (NW) Banwen Rugby Club (SE) Heol Gaer (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 16 View | 
| Known addresses | 20 School Road, Dyffryn Cellwen 24 School Road, Dyffryn Cellwen 26 School Road, Dyffryn Cellwen 28 School Road, Dyffryn Cellwen 32 School Road, Dyffryn Cellwen 36 School Road, Dyffryn Cellwen | 
| Main property type | Semi-detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.77632 | |
|---|---|---|
| Longitude | -3.664943 | |
| Easting | 285229 | |
| Northing | 209940 | |
| Grid reference | SN852099 | |
| UTM reference | 30U 454124 5736369 | |
| what3words | cement.earplugs.ferrying | |
| FixPhrase | crinkly luncheon stock tyke | |
| Plus code | 9C3RQ8GP+G2 | |
| Altitude | 258 metres (845 feet) | |
| Sunrise (today) | 7:08 | |
| Sunset (today) | 16:50 | |
| Distance away | ||
| Distance to sea | 20.1 KMs (12.5 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 | 
| Population (2011) | 21 | |
|---|---|---|
| Households (2011) | 10 | |
| 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) | W00005019 | |
| Census output area (2011) | 8C1 | |
| 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% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 26 School Road, Dyffryn Cellwen | Semi-detached (freehold) | Aug 2024 | £129,950 | 
| 32 School Road, Dyffryn Cellwen | Semi-detached (freehold) | Jan 2022 | £96,000 | 
| 24 School Road, Dyffryn Cellwen | Semi-detached (freehold) | May 2021 | £95,000 | 
| Semi-detached (freehold) | Apr 2008 | £80,000 | |
| 28 School Road, Dyffryn Cellwen | Semi-detached (freehold) | Dec 2020 | £79,000 | 
| 36 School Road, Dyffryn Cellwen | Terraced (leasehold) | Oct 2011 | £29,500 | 
| 20 School Road, Dyffryn Cellwen | Semi-detached (leasehold) | Oct 2002 | £13,000 | 
| Semi-detached (leasehold) | Aug 1999 | £19,950 |