Find SW1Y 4QX in Westminster and explore the information recorded for it. The interactive map shows the postcode’s position and an approximate address-derived outline, with exact-postcode facts and wider neighbourhood statistics clearly identified below.
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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 4QX |
| Postcode without spaces | SW1Y4QX |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5090100 |
| Longitude | -0.1324750 |
| British National Grid | 529,698 E, 180,551 N |
| Country | England |
| Region | London |
| Local authority | Westminster |
| Output Area (2021) | E00023935 |
| 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.
Companies House records whose registered-office address uses this exact postcode.
Limited Partnership
Incorporated 10 December 2024
None Supplied
Limited Partnership
Incorporated 18 April 2023
None Supplied
Limited Partnership
Incorporated 12 May 2015
None Supplied
Limited Partnership
Incorporated 27 January 2015
None Supplied
Limited Partnership
Incorporated 5 July 2013
None Supplied
Limited Partnership
Incorporated 17 June 2013
None Supplied
Limited Partnership
Incorporated 4 April 2013
None Supplied
Limited Partnership
Incorporated 8 February 2013
None Supplied
Limited Partnership
Incorporated 22 November 2012
None Supplied
Limited Partnership
Incorporated 15 November 2012
None Supplied
Limited Partnership
Incorporated 2 November 2012
None Supplied
Limited Partnership
Incorporated 2 November 2012
None Supplied
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Westminster 018C includes SW1Y 4QX 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 4QX is in Westminster, England.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SW1Y 4QX postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.