| Postcode | SA10 9HW | 
|---|---|
| Post Town | Neath | 
| Nearest station | Treherbert (15 km) | 
| Bus stops | Heol Gaer (NW) Banwen Shops (SE) Banwen Shops (NW) Wembley Avenue (W) Wembley Avenue (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 18 View | 
| Known addresses | Awelfryn, Main Road, Dyffryn Cellwen Bryn Heulog, Main Road, Dyffryn Cellwen Y M C A, Main Road, Dyffryn Cellwen 3 Main Road, Dyffryn Cellwen 7 Main Road, Dyffryn Cellwen 9 Main Road, Dyffryn Cellwen 11 Main Road, Dyffryn Cellwen 13 Main Road, Dyffryn Cellwen 15 Main Road, Dyffryn Cellwen 17 Main Road, Dyffryn Cellwen | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.778691 | |
|---|---|---|
| Longitude | -3.670206 | |
| Easting | 284872 | |
| Northing | 210212 | |
| Grid reference | SN848102 | |
| UTM reference | 30U 453763 5736636 | |
| what3words | apparatus.urban.vets | |
| FixPhrase | crinkly luncheon stopping upswing | |
| Plus code | 9C3RQ8HH+FW | |
| Altitude | 255 metres (838 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) | 26 | |
|---|---|---|
| Households (2011) | 12 | |
| 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 | 
|---|---|---|---|
| 15 Main Road, Dyffryn Cellwen | Semi-detached (freehold) | Feb 2025 | £171,000 | 
| Semi-detached (freehold) | Jan 2024 | £165,000 | |
| Semi-detached (freehold) | Jul 2018 | £105,000 | |
| Bryn Heulog, Main Road, Dyffryn Cellwen | Semi-detached (freehold) | Sep 2019 | £205,000 | 
| 11 Main Road, Dyffryn Cellwen | Detached (freehold) | Oct 2018 | £90,000 | 
| Y M C A, Main Road, Dyffryn Cellwen | Other (freehold) | Sep 2017 | £11,000 | 
| Awelfryn, Main Road, Dyffryn Cellwen | Semi-detached (freehold) | Sep 2013 | £120,000 | 
| 7 Main Road, Dyffryn Cellwen | Detached (freehold) | Jan 2010 | £90,000 | 
| 17 Main Road, Dyffryn Cellwen | Semi-detached (freehold) | Jan 2005 | £91,000 | 
| 3 Main Road, Dyffryn Cellwen | Detached (freehold) | Jul 2004 | £95,000 | 
| 13 Main Road, Dyffryn Cellwen | Detached (freehold) | Mar 2003 | £47,000 | 
| Detached (freehold) | Nov 1999 | £24,000 | |
| 9 Main Road, Dyffryn Cellwen | Detached (freehold) | Oct 1998 | £21,000 |