Use this guide to understand W1K 4JS 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.
High-quality vector file formats. Instant download. Next-day prints.
Create a Custom MapChoose the type of postcode map that matches the level of detail and editing control you need.
Download layered UK postcode area, district and sector maps in formats including Adobe Illustrator, PDF and SVG. Individual boundaries can be coloured and edited for reports, presentations and print.
Browse Vector Map Files
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 W1K 4JS 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 | W1K 4JS |
| Postcode without spaces | W1K4JS |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | December 2000 |
| Directory version | 2026-06 |
| Latitude | 51.5117800 |
| Longitude | -0.1491950 |
| British National Grid | 528,530 E, 180,829 N |
| Country | England |
| Region | London |
| Local authority | Westminster |
| Output Area (2021) | E00024116 |
| LSOA (2021) | E01004761 |
| MSOA (2021) | E02000977 |
| Electoral ward | E05013808 |
| 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.
Open schools and active GP practices in the W1K postcode district, ordered by straight-line distance where coordinates are available.
B
3-5 WEIGHHOUSE STREET, LONDON, W1K 5LS
Voluntary aided school
South Street, London, W1K 2XH
Ages 3–11 · 73 pupils of 210 capacity
38.4% eligible for free school meals
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 10 June 2025
59111 - Motion picture production activities
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Westminster 018D includes W1K 4JS and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 32 |
| Theft from the person | 28 |
| Anti-social behaviour | 27 |
| Other theft | 25 |
| Shoplifting | 24 |
| Public order | 12 |
| Robbery | 8 |
| Burglary | 5 |
| Vehicle crime | 5 |
| Bicycle theft | 3 |
| Drugs | 2 |
| Other crime | 2 |
| Possession of weapons | 2 |
Answers use the geographic scope stated with each dataset above.
W1K 4JS 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 W1K 4JS postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.