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Try the Sector Map ToolExplore SW1Y 4QU in Westminster through its map and available local datasets. The outline is an approximate boundary derived from address locations, while the information below distinguishes full-postcode records from statistics covering surrounding official areas.
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Create sales territories, delivery zones or heat maps without specialist mapping software. Try the postcode sector map tool, then save and export maps with full access.
Try the Sector Map ToolReady-made vector files cover postcode areas, districts and sectors. For a map focused on the full SW1Y 4QU postcode or its approximate address-derived outline, ask us about custom digital and printed options.
Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | SW1Y 4QU |
| Postcode without spaces | SW1Y4QU |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5083000 |
| Longitude | -0.1329080 |
| British National Grid | 529,670 E, 180,471 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.
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated 18 February 2026
98000 - Residents property management
Limited Liability Partnership
Incorporated 27 November 2025
None Supplied
Private Limited Company
Incorporated 30 April 2025
56101 - Licensed restaurants
Private Limited Company
Incorporated 27 March 2025
46170 - Agents involved in the sale of food, beverages and tobacco
Private Limited Company
Incorporated 26 May 2022
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 21 December 2021
55100 - Hotels and similar accommodation
Private Limited Company
Incorporated 25 August 2021
64209 - Activities of other holding companies n.e.c.
Limited Partnership
Incorporated 8 February 2021
None Supplied
Private Limited Company
Incorporated 10 September 2020
64209 - Activities of other holding companies n.e.c.
Limited Partnership
Incorporated 4 March 2020
None Supplied
Limited Partnership
Incorporated 12 September 2019
None Supplied
Private Limited Company
Incorporated 13 August 2019
62020 - Information technology consultancy activities
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Westminster 018C includes SW1Y 4QU 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 4QU 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 4QU postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.