Use this guide to understand SW1A 1RN 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. Census 2021 records 2 residents and 1 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 1RN |
| Postcode without spaces | SW1A1RN |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | July 2016 |
| Directory version | 2026-06 |
| Latitude | 51.5067000 |
| Longitude | -0.1413310 |
| British National Grid | 529,090 E, 180,278 N |
| Country | England |
| Region | London |
| Local authority | Westminster |
| Output Area (2021) | E00023937 |
| 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 | 1 |
| Female residents | 1 |
| Male residents | 1 |
| Residents per household | 2.0 |
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 |
|---|---|---|---|---|
| 14 Jul 2022 | VAULTS, 21, ARLINGTON STREET, LONDON | Other | Leasehold | £193,906 |
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 25 June 2026
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 2 April 2026
74909 - Other professional, scientific and technical activities n.e.c.
Private Limited Company
Incorporated 17 December 2025
62012 - Business and domestic software development
Private Limited Company
Incorporated 9 May 2025
84220 - Defence activities
Private Limited Company
Incorporated 6 August 2024
62020 - Information technology consultancy activities
Public Limited Company
Incorporated 30 March 2024
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 9 January 2024
82990 - Other business support service activities n.e.c.
Private Limited Company
Incorporated 19 June 2023
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 11 March 2022
70229 - Management consultancy activities other than financial management
Limited Partnership
Incorporated 24 June 2020
None Supplied
Private Limited Company
Incorporated 13 January 2020
90030 - Artistic creation
Private Limited Company
Incorporated 23 September 2019
64999 - Financial intermediation not elsewhere classified
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Westminster 018C includes SW1A 1RN 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 1RN is in Westminster, England.
The Census 2021 postcode-level dataset records 2 residents at SW1A 1RN. 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 1RN postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SW1A 1RN postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.