This page brings together the map and available local information for SW1A 1EF in Westminster. The boundary shown is an approximation created from address points, and each data section explains whether its figures apply to the full postcode or a wider statistical area. Census 2021 records 2 residents and 2 households at 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 | SW1A 1EF |
| Postcode without spaces | SW1A1EF |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5054500 |
| Longitude | -0.1379960 |
| British National Grid | 529,325 E, 180,145 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.
These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.
| Residents | 2 |
| Households | 2 |
| Female residents | 2 |
| Male residents | 0 |
| Residents per household | 1.0 |
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 |
|---|---|---|---|---|
| 26 Jan 2023 | 9, ST JAMES'S STREET, LONDON | Other | Leasehold | £45,285,736 |
| 12 Oct 2022 | 10, ST JAMES'S STREET, LONDON | Other | Leasehold | £60,000,000 |
| 2 Apr 2020 | 5, ST JAMES'S STREET, LONDON | Other | Leasehold | £300,000 |
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 7 August 2025
68201 - Renting and operating of Housing Association real estate
Private Limited Company
Incorporated 1 August 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 15 July 2025
41100 - Development of building projects
Private Limited Company
Incorporated 25 June 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 2 June 2025
74990 - Non-trading company
Private Limited Company
Incorporated 31 March 2025
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 13 June 2024
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 7 April 2024
64929 - Other credit granting n.e.c.
Private Limited Company
Incorporated 6 March 2024
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 12 February 2024
47599 - Retail of furniture, lighting, and similar (not musical instruments or scores) in specialised store
Private Limited Company
Incorporated 14 December 2023
35110 - Production of electricity
Private Limited Company
Incorporated 2 August 2023
35110 - Production of electricity
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Westminster 018C includes SW1A 1EF 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.
SW1A 1EF is in Westminster, England.
The Census 2021 postcode-level dataset records 2 residents at SW1A 1EF. This is an exact postcode count.
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 SW1A 1EF postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SW1A 1EF postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.