SA11 4NJ lies on Perth Y Dion in Resolven, Neath. SA11 4NJ is located in the Resolven and Tonna electoral ward, within the unitary authority of Neath Port Talbot and the Welsh Parliamentary constituency of Neath. The Local Health Board is Swansea Bay University and the police force is South Wales. This postcode has been in use since August 2008.


| Easting | 283169 |
| Northing | 202661 |
| Latitude | 51.710484 |
| Longitude | -3.692356 |
| Street | Perth Y Dion |
| Locality | Resolven |
| Town/City | Neath |
| Country | Wales |
| Postcode District | SA11 |
Elevation or altitude of SA11 4NJ as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 40m | 131ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
| Ward | Resolven And Tonna |
|---|---|
| Constituency | Neath |
2026 6 JAN £220,000 |
2025 14 MAY £120,000 |
2022 2 DEC £256,000 |
2020 31 JAN £152,000 |
2020 24 JAN £137,500 |
2014 5 DEC £115,000 |
2012 12 OCT £86,500 |
2009 1 SEP £172,500 |
2009 21 MAY £172,500 |
2008 23 SEP £170,000 |
| Church Hall (Neath Road) | Resolven | 100m |
| Church Hall (Neath Road) | Resolven | 107m |
| Heol Tonmaen (Ynysyfach Avenue) | Resolven | 303m |
| Health Centre (Ynysfach Avenue) | Resolven | 304m |
| Health Centre (Ynys Fach Avenue) | Resolven | 321m |
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| Median download speed | 63.8Mbps |
| Average download speed | 59.1Mbps |
| Maximum download speed | 78.77Mbps |
| Median upload speed | 6.9Mbps |
| Average upload speed | 7.2Mbps |
| Maximum upload speed | 14.22Mbps |
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |



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The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for SA11 4NJ:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL17 | Bridgend and Neath Port Talbot |
| LAU 1 Code | Name |
| W06000012 | Neath Port Talbot |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SA11 4NJ:
| Code | Name | |
|---|---|---|
| OA | W00005068 | |
| LSOA | W01000953 | Neath Port Talbot 005B |
| MSOA | W02000203 | Neath Port Talbot 005 |
| SA11 4NE | Davies Terrace | 84m |
| SA11 4NB | Tan Y Rhiw Road | 85m |
| SA11 4LY | Ardwyn Terrace | 91m |
| SA11 4ND | Lyons Place | 99m |
| SA11 4NN | Maes Y Tyra | 104m |
| SA11 4NA | Commercial Road | 109m |
| SA11 4NG | Woodlands Terrace | 162m |
| SA11 4AD | Williams Avenue | 175m |
| SA11 4LT | Ynys Fawr Avenue | 186m |
| SA11 4AA | Neath Road | 207m |