Use this guide to understand SW1Y 4JU in Westminster. 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. This page includes 4 Land Registry sold-price records matched to 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 | SW1Y 4JU |
| Postcode without spaces | SW1Y4JU |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5081600 |
| Longitude | -0.1349890 |
| British National Grid | 529,526 E, 180,451 N |
| Country | England |
| Region | London |
| Local authority | Westminster |
| Output Area (2021) | E00023939 |
| LSOA (2021) | E01004736 |
| MSOA (2021) | E02000977 |
| Electoral ward | E05013806 |
| Westminster constituency | E14001172 |
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.
Deprivation is published for the postcode's containing Lower Layer Super Output Area, a neighbourhood geography covering more than one postcode.
Land Registry Price Paid Data transactions matched to this exact full postcode.
| Sale date | Address | Property type | Tenure | Price |
|---|---|---|---|---|
| 4 Oct 2024 | 8, ST JAMES'S SQUARE, LONDON | Other | Leasehold | £200,000 |
| 4 Aug 2023 | FOURTH FLOOR PREMISES, 8, ST JAMES'S SQUARE, LONDON | Other | Leasehold | £612,517 |
| 7 Sep 2021 | 5, ST JAMES'S SQUARE, LONDON | Other | Freehold | £77,000,000 |
| 7 Sep 2021 | 5, ST JAMES'S SQUARE, LONDON | Other | Leasehold | £77,000,000 |
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 22 May 2026
62090 - Other information technology service activities
Private Limited Company
Incorporated 21 May 2026
62012 - Business and domestic software development
Private Limited Company
Incorporated 21 May 2026
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 27 April 2026
66300 - Fund management activities
Private Limited Company
Incorporated 16 April 2026
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 16 April 2026
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 16 April 2026
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 26 March 2026
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 17 March 2026
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 5 March 2026
06100 - Extraction of crude petroleum
Private Limited Company
Incorporated 17 February 2026
70221 - Financial management
Private Limited Company
Incorporated 22 January 2026
64929 - Other credit granting n.e.c.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Westminster 018C includes SW1Y 4JU and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Other theft | 104 |
| Theft from the person | 95 |
| Violence and sexual offences | 79 |
| Anti-social behaviour | 65 |
| Public order | 35 |
| Shoplifting | 20 |
| Drugs | 14 |
| Robbery | 12 |
| Vehicle crime | 11 |
| Possession of weapons | 8 |
| Bicycle theft | 5 |
| Burglary | 2 |
| Other crime | 2 |
Answers use the geographic scope stated with each dataset above.
SW1Y 4JU is in Westminster, England.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full SW1Y 4JU postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SW1Y 4JU postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.