This page brings together the map and available local information for SA3 4SX in Wales. The boundary shown is an approximation created from address points, and each data section explains whether its figures apply to the full postcode or a wider statistical area. Census 2021 records 143 residents and 29 households at the exact postcode.
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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 4SX |
| Postcode without spaces | SA34SX |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5704300 |
| Longitude | -4.0156410 |
| British National Grid | 260,405 E, 187,654 N |
| Country | Wales |
| Output Area (2021) | W00004411 |
| LSOA (2021) | W01000824 |
| 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.
These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.
| Residents | 143 |
| Households | 29 |
| Female residents | 87 |
| Male residents | 56 |
| Residents per household | 4.9 |
A detailed vector map covering a 500 metre radius around the postcode.
Land Registry Price Paid Data transactions matched to this exact full postcode.
| Sale date | Address | Property type | Tenure | Price |
|---|---|---|---|---|
| 29 Feb 2024 | 9, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £845,000 |
| 19 Jan 2024 | 32, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £691,000 |
| 4 Aug 2023 | 16, BRYNFIELD ROAD, LANGLAND, SWANSEA | Semi-detached | Freehold | £635,000 |
| 28 Apr 2023 | 31A, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £624,000 |
| 28 Apr 2023 | 14, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £900,000 |
| 21 Jan 2022 | 30, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £765,000 |
| 30 Jun 2021 | 26, BRYNFIELD ROAD, LANGLAND, SWANSEA | Semi-detached | Freehold | £643,000 |
| 3 Jun 2021 | 33, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £715,000 |
| 27 Apr 2021 | 23, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £600,000 |
| 12 Feb 2021 | 4, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £700,000 |
| 6 Mar 2020 | 15, BRYNFIELD ROAD, LANGLAND, SWANSEA | Detached | Freehold | £350,000 |
Open schools and active GP practices in the SA3 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Slade Road, Newton, Swansea, SA3 4UE
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
Welsh establishment
Off Rushwind Close, West Cross, Swansea, SA3 5RF
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
West Cross Lane, West Cross, Swansea, SA3 5LS
Welsh establishment
Fairwood Road, West Cross, Swansea, SA3 5JP
Welsh establishment
Huntington Close, Swansea, SA3 5AL
Welsh establishment
The Glebe, Bishopston, Swansea, SA3 3JP
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 22 March 2026
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 6 October 2025
47910 - Retail sale via mail order houses or via Internet
Private Limited Company
Incorporated 18 August 2024
71200 - Technical testing and analysis
Private Limited Company
Incorporated 1 August 2022
73120 - Media representation services
Private Limited Company
Incorporated 2 December 2020
82990 - Other business support service activities n.e.c.
Private Limited Company
Incorporated 14 September 2020
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 13 September 2020
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 14 June 2018
71122 - Engineering related scientific and technical consulting activities
Private Limited Company
Incorporated 25 January 2013
43210 - Electrical installation
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Swansea 031B includes SA3 4SX and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 4 |
| Anti-social behaviour | 2 |
| Public order | 1 |
| Vehicle crime | 1 |
Answers use the geographic scope stated with each dataset above.
SA3 4SX is in Wales.
The Census 2021 postcode-level dataset records 143 residents at SA3 4SX. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full SA3 4SX postcode.
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