This page brings together the map and available local information for SA3 4JU 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 24 residents and 18 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 4JU |
| Postcode without spaces | SA34JU |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5669700 |
| Longitude | -3.9867010 |
| British National Grid | 262,400 E, 187,214 N |
| Country | Wales |
| Output Area (2021) | W00004419 |
| 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.
These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.
| Residents | 24 |
| Households | 18 |
| Female residents | 11 |
| Male residents | 13 |
| Residents per household | 1.3 |
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 |
|---|---|---|---|---|
| 2 May 2025 | 14, SEALANDS DRIVE, MUMBLES, SWANSEA | Detached | Freehold | £220,000 |
| 24 Jan 2025 | 23, SEALANDS DRIVE, MUMBLES, SWANSEA | Detached | Leasehold | £155,000 |
| 21 Jun 2024 | 25, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Leasehold | £138,000 |
| 4 Oct 2023 | 24, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Leasehold | £175,000 |
| 25 Aug 2023 | 6, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Leasehold | £223,000 |
| 27 Mar 2023 | 15, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Freehold | £199,995 |
| 15 Dec 2022 | 22, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Freehold | £140,000 |
| 15 Dec 2022 | 22, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Leasehold | £140,000 |
| 15 Jul 2022 | 27, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Leasehold | £160,000 |
| 7 Jan 2022 | 28, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Freehold | £168,000 |
| 30 Jun 2021 | 5, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Freehold | £180,000 |
| 18 Mar 2021 | 24, SEALANDS DRIVE, MUMBLES, SWANSEA | Semi-detached | Leasehold | £167,000 |
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
Slade Road, Newton, Swansea, SA3 4UE
Welsh establishment
West Cross Avenue, West Cross, Swansea, SA3 5TS
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 24 April 2007
62020 - Information technology consultancy activities
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Swansea 031D includes SA3 4JU 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 4JU is in Wales.
The Census 2021 postcode-level dataset records 24 residents at SA3 4JU. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full SA3 4JU postcode.
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