Use this guide to understand SA3 4BG in Wales. Start with the interactive location and approximate postcode outline, then browse the available facts and local-area indicators. Labels show which figures relate to the exact postcode and which cover a larger geography.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | SA3 4BG |
| Postcode without spaces | SA34BG |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | August 2017 |
| Directory version | 2026-06 |
| Latitude | 51.5706100 |
| Longitude | -3.9911600 |
| British National Grid | 262,102 E, 187,627 N |
| Country | Wales |
| Output Area (2021) | W00004424 |
| LSOA (2021) | W01000826 |
| MSOA (2021) | W02000198 |
| Electoral ward | W05001056 |
| Westminster constituency | W07000097 |
The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.
A detailed vector map covering a 500 metre radius around the postcode.
Open schools and active GP practices in the SA3 postcode district, ordered by straight-line distance where coordinates are available.
B
2-6 KINGS ROAD, MUMBLES, SWANSEA, SA3 4AJ
B
2-6 KINGS ROAD, MUMBLES, SWANSEA, SA3 4AJ
Welsh establishment
Newton Road, Mumbles, Swansea, SA3 4BE
B
10 WEST CROSS AVENUE, WEST CROSS, SWANSEA, SA3 5UA
Welsh establishment
West Cross Avenue, West Cross, Swansea, SA3 5TS
Welsh establishment
West Cross Avenue, West Cross, Swansea, SA3 5TS
Welsh establishment
Slade Road, Newton, Swansea, SA3 4UE
Welsh establishment
West Cross Lane, West Cross, Swansea, SA3 5LS
Welsh establishment
Off Rushwind Close, West Cross, Swansea, SA3 5RF
Welsh establishment
Huntington Close, Swansea, SA3 5AL
Welsh establishment
Fairwood Road, West Cross, Swansea, SA3 5JP
Welsh establishment
The Glebe, Bishopston, Swansea, SA3 3JP
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 22 April 2026
55209 - Other holiday and other collective accommodation
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Swansea 031D includes SA3 4BG and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 5 |
| Anti-social behaviour | 2 |
| Public order | 2 |
| Drugs | 1 |
Answers use the geographic scope stated with each dataset above.
SA3 4BG is in Wales.
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Explore other full postcodes in the same postcode sector.