SA4 Postcode District
SA4 is the Postcode District for Gorseinon, Swansea West Glamorgan
The SA4 postcode district is located in the SA Swansea postal area, SA4 has a population of 45,892 residents according to the 2021 England and Wales Census..
The area of the district is 36.20 square miles (93.77 square kilometres or 23,170.38 acres).
A wide range of spatial data has been analysed to present this overview of SA4. If you would like anything added, please contact us.
Map of SA4
Explore the postcode district using the interactive map.
Larger circles indicate higher recorded crime totals.
On this page
District overview
The primary settlement in the SA4 postcode district is Pontarddulais, located in the county of Dyfed in Wales. Other significant settlements include Crofty, Gowerton, Llanmorlais, Penclawdd, Three Crosses, Gorseinon, Grovesend, Loughor, Pontlliw, and Penllergaer. The main postal town is Swansea.
There are 7 postcode sectors within the district. Here's a breakdown:
The sector SA4 0, covers Pontarddulais in Dyfed.
The sector SA4 3, covers Gowerton and Penclawdd and Three Crosses in West Glamorgan.
The sector SA4 4, covers Gorseinon in West Glamorgan.
The sector SA4 5 is non-geographic. It's often designated for PO Boxes, large organisations, or special services.
The sector SA4 6, covers Loughor and Gorseinon in West Glamorgan.
The sector SA4 8, covers Pontarddulais in West Glamorgan.
The sector SA4 9, covers Penllergaer and Pontlliw in West Glamorgan.
The post town for this district is SWANSEA.
When it comes to local government, postal geography often disregards political borders. However, this district intersects the following councils: the district mostly encompasses the Abertawe - Swansea (1046 postal codes), and finally, the Sir Gaerfyrddin - Carmarthenshire area (90 postal codes).
Postcode sectors and neighbouring districts
Nearest towns
To help place the district geographically, here are nearby towns and their approximate direction from the district centre.
| Town | Distance (miles) | Direction |
|---|---|---|
| Llanelli | 4.77 | W |
| Swansea | 6.51 | SE |
| Ammanford | 8.02 | NNE |
| Burry Port | 8.33 | W |
| Pontardawe | 9.02 | ENE |
| Neath | 10.80 | E |
| Kidwelly | 11.51 | WNW |
| Port Talbot | 13.08 | ESE |
| Llandeilo | 13.97 | N |
| Ystradgynlais | 14.19 | ENE |
| Carmarthen | 16.13 | NW |
| Maesteg | 17.66 | ESE |
| Laugharne | 18.57 | WNW |
| Glyn-neath | 19.01 | ENE |
| Porthcawl | 20.67 | SE |
| Pontycymer | 20.76 | ESE |
| St Clears | 21.13 | WNW |
Postcode information
Total geographical postcodes: 1,228
| Location | Post Town | Sector | Number of postcodes |
|---|---|---|---|
| Gorseinon | SWANSEA | SA4 4 | 229 |
| Pontarddulais | SWANSEA | SA4 8 | 158 |
| Gowerton | SWANSEA | SA4 3 | 114 |
| Penllergaer | SWANSEA | SA4 9 | 103 |
| Loughor | SWANSEA | SA4 6 | 103 |
| Penclawdd | SWANSEA | SA4 3 | 99 |
| Pontarddulais | SWANSEA | SA4 0 | 72 |
| Gorseinon | SWANSEA | SA4 6 | 38 |
| Three Crosses | SWANSEA | SA4 3 | 35 |
| Pontlliw | SWANSEA | SA4 9 | 30 |
| Pontarddulais | SWANSEA | SA4 0 | 25 |
| Llanmorlais | SWANSEA | SA4 3 | 23 |
| Pontarddulais | SWANSEA | SA4 0 | 20 |
| Pontarddulais | SWANSEA | SA4 0 | 18 |
| Grovesend | SWANSEA | SA4 4 | 16 |
| Crofty | SWANSEA | SA4 3 | 15 |
| Penllergaer | SWANSEA | SA4 9 | 15 |
| Loughor | SWANSEA | SA4 6 | 14 |
| Penclawdd | SWANSEA | SA4 3 | 8 |
| Gorseinon | SWANSEA | SA4 9 | 8 |
| Grovesend | SWANSEA | SA4 8 | 7 |
| Gorseinon | SWANSEA | SA4 4 | 6 |
| Penclawdd | SWANSEA | SA4 3 | 6 |
| Pontlliw | SWANSEA | SA4 9 | 6 |
| Crofty | SWANSEA | SA4 3 | 5 |
| Gorseinon | SWANSEA | SA4 4 | 5 |
| Three Crosses | SWANSEA | SA4 3 | 5 |
| Gowerton | SWANSEA | SA4 3 | 5 |
| Llanmorlais | SWANSEA | SA4 3 | 5 |
| Pontarddulais | SWANSEA | SA4 8 | 4 |
| Penllergaer | SWANSEA | SA4 9 | 4 |
| Gowerton | SWANSEA | SA4 3 | 4 |
| Gorseinon | SWANSEA | SA4 6 | 4 |
| Pontarddulais | SWANSEA | SA4 8 | 2 |
| Grovesend | SWANSEA | SA4 4 | 2 |
| Crofty | SWANSEA | SA4 3 | 2 |
| Llanmorlais | SWANSEA | SA4 3 | 2 |
| Penclawdd | SWANSEA | SA4 3 | 1 |
| Grovesend | SWANSEA | SA4 8 | 1 |
| Gowerton | SWANSEA | SA4 3 | 1 |
| Pontarddulais | SWANSEA | SA4 8 | 1 |
| Pontlliw | SWANSEA | SA4 8 | 1 |
| Pontlliw | SWANSEA | SA4 8 | 1 |
| Pontarddulais | SWANSEA | SA4 8 | 1 |
| Pontarddulais | SWANSEA | SA4 0 | 1 |
| Gorseinon | SWANSEA | SA4 9 | 1 |
| Gorseinon | SWANSEA | SA4 4 | 1 |
| Penllergaer | SWANSEA | SA4 9 | 1 |
Street list for SA4
MISTY HILLS CLOSE
THREE CROSSES, Swansea, West Glamorgan
Restricted Local Access Road
USRN: 39101704
TYN Y BONAU INDUSTRIAL ESTATE
PONTARDDULAIS, Swansea, West Glamorgan
Restricted Local Access Road
USRN: 39106587
Crime overview
Top streets by recorded crime
| Street | Crime count |
|---|---|
| HIGH STREET A4240 | 72 |
| CHURCH LANE | 69 |
| ST TEILO STREET A48 | 49 |
| BRYNGWASTAD ROAD | 44 |
| MOUNT PLEASANT | 42 |
| PONTARDDULAIS ROAD B4297 | 39 |
| NEW ROAD | 35 |
| BRYN EITHIN | 34 |
| HEOL Y CAE | 33 |
| TY GWYN | 32 |
Most common crime types
| Crime type | Count |
|---|---|
| Violence and sexual offences | 2423 |
| Public order | 674 |
| Criminal damage and arson | 554 |
| Other theft | 295 |
| Shoplifting | 238 |
| Vehicle crime | 212 |
| Other crime | 182 |
| Drugs | 171 |
| Burglary | 122 |
| Possession of weapons | 41 |
| Theft from the person | 25 |
| Bicycle theft | 21 |
| Robbery | 9 |
Retail and shopping
| Street | Town | Locality | Number of shops | Central postcode | Map |
|---|---|---|---|---|---|
| HIGH STREET | SWANSEA | GORSEINON | 94 | SA4 4BP | View map |
| ST TEILO STREET | SWANSEA | PONTARDULAIS | 65 | SA4 8SR | View map |
| STERRY ROAD | SWANSEA | GOWERTON | 31 | SA4 3BW | View map |
| WEST STREET | SWANSEA | GORSEINON | 20 | SA4 4AA | View map |
| ALEXANDRA ROAD | SWANSEA | GORSEINON | 19 | SA4 4NW | View map |
| PONTARDULAIS ROAD | SWANSEA | GORSEINON | 10 | SA4 4FE | View map |
| STATION ROAD | SWANSEA | PENCLAWDD | 8 | SA4 3XT | View map |
Healthcare services
| # | Name | Address | Type | Contact |
|---|---|---|---|---|
| 1 | St Teilo Dental Health Centre | 168 ST. TEILO STREET, PONTARDDULAIS, SWANSEA, WEST GLAMORGAN, SA4 8LH | GENERAL DENTAL PRACTICE | No contact details listed |
| 2 | Dental Surgery | 1 TALBOT STREET, GOWERTON, SWANSEA, WEST GLAMORGAN, SA4 3DB | GENERAL DENTAL PRACTICE | No contact details listed |
| 3 | Alexandra Road (dental Surgery) | 104 ALEXANDRA ROAD, GORSEINON, SWANSEA, WEST GLAMORGAN, SA4 4NX | GENERAL DENTAL PRACTICE | No contact details listed |
| 4 | Dental Surgery | 40 HIGH STREET, GORSEINON, SWANSEA, WEST GLAMORGAN, SA4 4BT | GENERAL DENTAL PRACTICE | No contact details listed |
| 5 | Family Dental Centre | 15 PONTARDULAIS ROAD, GORSEINON, SWANSEA, WEST GLAMORGAN, SA4 4FE | GENERAL DENTAL PRACTICE | No contact details listed |
| 6 | 2 Compton Houses | COMPTON HOUSES, 2 WEST END, PENCLAWDD, SWANSEA, WEST GLAMORGAN, SA4 3YU | GENERAL DENTAL PRACTICE | No contact details listed |
Data accessed from NHS Digital and updated monthly.
| # | Name | Address | Type | Contact |
|---|---|---|---|---|
| 1 | Princess Street Surgery | PRINCESS STREET, GORSEINON, SWANSEA, SA4 4US | GP PRACTICE | Call 01792 895681 |
| 2 | Estuary Group Practice | 22 MILL STREET, GOWERTON, SWANSEA, WEST GLAMORGAN, SA4 3ED | GP PRACTICE | Call 01792 872404 |
| 3 | Talybont Surgery | STATION ROAD, PONTARDDULAIS, SWANSEA, WEST GLAMORGAN, SA4 8TJ | GP PRACTICE | Call 01792 882368 |
| 4 | Ty'r Felin Surgery | CECIL ROAD, GORSEINON, SWANSEA, WEST GLAMORGAN, SA4 4BY | GP PRACTICE | Call 01792 898844 |
Data accessed from NHS Digital and updated monthly.
| # | Name | Address | Type | Contact |
|---|---|---|---|---|
| 1 | Village Pharmacy | STATION ROAD, PONTARDDULAIS, SWANSEA, SA4 8TL | PHARMACY | Call 01792 885200 |
| 2 | Gorseinon Pharmacy | UNIT 5-6, GORSEINON SHOPPING PARK, HIGH STREET, SWANSEA, SA4 4DJ | PHARMACY | Call 01792 898810 |
| 3 | Mw Phillips Chemists | 1 ISCOED ROAD, HENDY, PONTARDDULAIS, SWANSEA, SA4 0TP | PHARMACY | Call 01792 881234 |
| 4 | The Pharmacy | SEAVIEW TERRACE, PENCLAWDD, SWANSEA, SA4 3YF | PHARMACY | Call 01792 850530 |
| 5 | Well | 2 ALEXANDRA ROAD, GORSEINON, SWANSEA, WEST GLAMORGAN, SA4 4NW | PHARMACY | Call 01792 892252 |
| 6 | Well | MILL STREET, GOWERTON, SWANSEA, SA4 3ED | PHARMACY | Call 01792 872010 |
| 7 | Well | 63 ALEXANDRA ROAD, GORSEINON, SWANSEA, SA4 4NU | PHARMACY | Call 01792 897520 |
| 8 | Medihub Pharmacy | 84 ST. TEILO STREET, PONTARDDULAIS, SWANSEA, SA4 8ST | PHARMACY | Call 01792 882243 |
| 9 | Gowerton Pharmacy | 22 MILL STREET, GOWERTON, SWANSEA, WEST GLAMORGAN, SA4 3ED | PHARMACY | Call 01792 873001 |
| 10 | Tyr Felin Pharmacy | CECIL ROAD, GORSEINON, SWANSEA, SA4 4BY | PHARMACY | Call 01792 892959 |
| 11 | Allied Pharmacy Pontardulais | 5 ST. TEILO STREET, PONTARDDULAIS, SWANSEA, SA4 8TH | PHARMACY | Call 01792 882365 |
Data accessed from NHS Digital and updated monthly.
| # | Name | Address | Type | Contact |
|---|---|---|---|---|
| 1 | Specsavers (gorseinon) | 62 HIGH STREET, GORSEINON, SWANSEA, WEST GLAMORGAN, SA4 4BP | OPTICAL SITE | No contact details listed |
| 2 | A.w. Jones Optometrist | 102 ST. TEILO STREET, PONTARDDULAIS, SWANSEA, WEST GLAMORGAN, SA4 8SS | OPTICAL SITE | No contact details listed |
| 3 | A W Jones | 102 ST. TEILO STREET, PONTARDDULAIS, SWANSEA, WEST GLAMORGAN, SA4 8SS | OPTICAL SITE | No contact details listed |
| 4 | Gorseinon Eye Centre Ltd | 71 HIGH STREET, GORSEINON, SWANSEA, WEST GLAMORGAN, SA4 4BP | OPTICAL SITE | No contact details listed |
| 5 | Gower Eye Care Limited (station Square) | 11 STATION SQ, PENCLAWDD, SWANSEA, WEST GLAMORGAN, SA4 3XT | OPTICAL SITE | No contact details listed |
Data accessed from NHS Digital and updated monthly.
Property and housing
Yearly house price averages for the district
| Type of property | 2025 average | 2025 sales | 2024 average | 2024 sales | 2023 average | 2023 sales | 2022 average | 2022 sales |
|---|---|---|---|---|---|---|---|---|
| Detached | £338,692 | 240 | £309,013 | 243 | £321,202 | 215 | £315,168 | 261 |
| Semi-detached | £206,358 | 271 | £204,682 | 306 | £197,278 | 301 | £187,807 | 259 |
| Terraced | £167,075 | 144 | £166,560 | 143 | £151,292 | 154 | £151,596 | 158 |
| Flats | £109,721 | 26 | £107,711 | 40 | £91,021 | 36 | £97,293 | 44 |
Transport and connectivity
Stations in the district
Gowerton
CRS Code: GWN
Operator: AW
Line: The West Wales lines
Company: Transport for Wales
Pontarddulais
CRS Code: PTD
Operator: AW
Line: Heart of Wales Line
Company: Transport for Wales
Accessible motorway junctions
M4 J47
Average Driving Time from within the district: 6.72
Average Driving Distance: 4.09
Number of Postcodes that can access the Motorway Junction: 1124
M4 J48
Average Driving Time from within the district: 8.64
Average Driving Distance: 5.94
Number of Postcodes that can access the Motorway Junction: 1124
M4 J46
Average Driving Time from within the district: 8.83
Average Driving Distance: 6.02
Number of Postcodes that can access the Motorway Junction: 1124
M4 J44
Average Driving Time from within the district: 9.40
Average Driving Distance: 7.79
Number of Postcodes that can access the Motorway Junction: 115
M4 J45
Average Driving Time from within the district: 10.66
Average Driving Distance: 7.91
Number of Postcodes that can access the Motorway Junction: 1124
Royal Mail delivery and sorting offices
| Postal sector | Delivery office |
|---|---|
| SA4 0 | Gorseinon Delivery Office |
| SA4 3 | Gorseinon Delivery Office |
| SA4 4 | Gorseinon Delivery Office |
| SA4 6 | Gorseinon Delivery Office |
| SA4 8 | Gorseinon Delivery Office |
| SA4 9 | Gorseinon Delivery Office |
Postcode format
| S | A | 4 | - | X | X | X |
| S | A | 4 | Space | Numeric | Letter | Letter |
Administrative and boundary notes
The largest settlement in the SA4 postal code is GORSEINON followed by PONTARDDULAIS, and LOUGHOR.
The postcode area has a boundary with The Bristol Channel.
The SA4 Postcode shares a border with SA18 (AMMANFORD, LLANDYBIE, GLANAMAN), SA5 (PENLAN, FFORESTFACH, MANSELTON), SA14 (LLANELLI, LLANGENNECH, CROSS HANDS), SA3 (WEST CROSS, MUMBLES, Bishopston) and SA2 (SKETTY, UPLANDS, KILLAY).
Maps and visuals
Weather
Weather Forecast for Gorseinon
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