SA8 3BY maps, stats, and open data
SA8 3BY lies on Dyffryn Road in Alltwen, Swansea. SA8 3BY is located in the Allt-wen 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 January 1980.
SA8 3BY maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SA8 3BY geodata
| Easting | 272956 |
| Northing | 203820 |
| Latitude | 51.718673 |
| Longitude | -3.840503 |
Where is SA8 3BY?
| Street | Dyffryn Road |
| Locality | Alltwen |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA8 |
SA8 3BY Elevation
Elevation or altitude of SA8 3BY as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 80m | 262ft |
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.
Politics
| Ward | Allt-wen |
|---|---|
| Constituency | Neath |
House Prices
Sales of detached houses in SA8 3BY
60, DYFFRYN ROAD, ALLTWEN, SWANSEA, SA8 3BY 2026 16 FEB £265,000 |
2024 24 MAY £245,000 |
2023 9 NOV £200,000 |
73, DYFFRYN ROAD, ALLTWEN, SWANSEA, SA8 3BY 2023 26 OCT £200,000 |
60, DYFFRYN ROAD, ALLTWEN, SWANSEA, SA8 3BY 2021 14 OCT £105,000 |
60, DYFFRYN ROAD, ALLTWEN, SWANSEA, SA8 3BY 2021 17 AUG £95,000 |
2020 21 DEC £165,000 |
2019 22 FEB £147,000 |
2014 3 OCT £129,950 |
2007 2 FEB £112,500 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to SA8 3BY
| Danygraig Chapel (Graig Road) | Pen Yr Alltwen | 105m |
| Danygraig Chapel (Graig Road) | Alltwen | 135m |
| Dyffryn Road (Graig Road) | Alltwen | 234m |
| Graig Road Roundabout (Graig Road) | Alltwen | 276m |
| Junior School (Graig Road) | Alltwen | 285m |
Broadband
Broadband access in SA8 3BY (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 71.1% |
| Percentage of properties with Ultrafast Broadband | 2.6% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in SA8 3BY (2019 data)
Download
| Median download speed | 30.0Mbps |
| Average download speed | 28.2Mbps |
| Maximum download speed | 48.48Mbps |
Upload
| Median upload speed | 5.8Mbps |
| Average upload speed | 5.5Mbps |
| Maximum upload speed | 8.95Mbps |
Broadband limitations in SA8 3BY (2020 data)
| 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 | 28.9% |
SA8 3BY gas and electricity consumption
Estimated total energy consumption in SA8 3BY by fuel type, 2015.
Gas
| Consumption (kWh) | 642,101 |
|---|---|
| Meter count | 40 |
| Mean (kWh/meter) | 16,053 |
| Median (kWh/meter) | 15,331 |
Electricity
| Consumption (kWh) | 119,271 |
|---|---|
| Meter count | 33 |
| Mean (kWh/meter) | 3,614 |
| Median (kWh/meter) | 3,122 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SA8 3BY, for 2015.
- Meter count: The total number of meters in SA8 3BY.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
33.4% of Welsh postcodes are less deprived than SA8 3BY:Food Standards Agency
Three nearest food hygiene ratings to SA8 3BY (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SA8 3BY
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Public Hall | 18:00 | 12:15 | 679m |
| Pontardawe P O | 18:00 | 11:30 | 933m |
| Tesco Pontardawe | 17:45 | 12:30 | 933m |
SA8 3BY ITL and SA8 3BY LAU
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 SA8 3BY:
| 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 |
SA8 3BY census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SA8 3BY:
| Code | Name | |
|---|---|---|
| OA | W00004735 | |
| LSOA | W01000888 | Neath Port Talbot 004A |
| MSOA | W02000202 | Neath Port Talbot 004 |
Nearest postcodes to SA8 3BY
| SA8 3DA | Graig Road | 83m |
| SA8 3DB | Edward Street | 188m |
| SA8 3DQ | Lon Hir | 220m |
| SA8 3DE | Lon Hir | 288m |
| SA8 3BX | Dyffryn Road | 323m |
| SA8 4EN | Alloy Industrial Estate | 334m |
| SA8 3DD | Edward Street | 364m |
| SA8 3BT | High Street | 382m |
| SA8 3AF | Bryn Golau | 387m |
| SA8 3AD | Mill Row | 419m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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