Explore SW1Y 4DP in Westminster on an interactive map. See its location and approximate address-derived boundary, then review the exact-postcode facts and wider-area statistics available below. Editable vector files, printed maps and postcode colouring tools are also available.
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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 4DP |
| Postcode without spaces | SW1Y4DP |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5095100 |
| Longitude | -0.1312440 |
| British National Grid | 529,782 E, 180,609 N |
| Country | England |
| Region | London |
| Local authority | Westminster |
| Output Area (2021) | E00023929 |
| LSOA (2021) | E01004734 |
| 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.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Westminster 018A includes SW1Y 4DP and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Other theft | 132 |
| Violence and sexual offences | 132 |
| Theft from the person | 97 |
| Anti-social behaviour | 51 |
| Public order | 45 |
| Drugs | 37 |
| Shoplifting | 30 |
| Robbery | 18 |
| Vehicle crime | 15 |
| Bicycle theft | 6 |
| Possession of weapons | 4 |
| Burglary | 3 |
| Other crime | 2 |
Answers use the geographic scope stated with each dataset above.
SW1Y 4DP 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 4DP postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.