Explore SW3 1ER 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 | SW3 1ER |
| Postcode without spaces | SW31ER |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.4997700 |
| Longitude | -0.1641900 |
| British National Grid | 527,523 E, 179,468 N |
| Country | England |
| Region | London |
| Local authority | Westminster |
| Output Area (2021) | E00175206 |
| LSOA (2021) | E01035718 |
| MSOA (2021) | E02000978 |
| Electoral ward | E05013797 |
| 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 SW3 postcode district, ordered by straight-line distance where coordinates are available.
Community school
Draycott Avenue, London, SW3 3AP
Ages 0–11 · 466 pupils of 507 capacity
24.7% eligible for free school meals
Academy converter
Cadogan Street, London, SW3 2QT
Ages 3–11 · 225 pupils of 238 capacity
12.4% eligible for free school meals
Academy converter
Cadogan Street, London, SW3 2QS
Ages 11–16 · 489 pupils of 597 capacity
46.6% eligible for free school meals
Voluntary aided school
Bury Walk, Cale Street, Chelsea, London, SW3 6QH
Ages 5–11 · 210 pupils of 210 capacity
7.6% eligible for free school meals
Other independent school
Turks Row, London, SW3 4TW
Ages 3–11 · 369 pupils of 500 capacity
Higher education institutions
Royal Cancer Hospital, 237 Fulham Road, London, SW3 6JB
B
30 FLOOD WALK, LONDON, SW3 5RR
B
30 FLOOD WALK, LONDON, SW3 5RR
B
ROYAL HOSPITAL ROAD, CHELSEA, LONDON, SW3 4SR
B
43 CHELSEA MANOR STREET, LONDON, SW3 5DD
Other independent school
15 Manresa Road, London, SW3 6NB
Ages 4–12 · 256 pupils of 307 capacity
Voluntary aided school
1 Robinson Street, London, SW3 4AA
Ages 4–11 · 204 pupils of 210 capacity
10.3% eligible for free school meals
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 27 April 2024
31020 - Manufacture of kitchen furniture
Private Limited Company
Incorporated 9 March 2024
62011 - Ready-made interactive leisure and entertainment software development
Private Limited Company
Incorporated 7 November 2022
46190 - Agents involved in the sale of a variety of goods
Private Limited Company
Incorporated 28 April 2022
46150 - Agents involved in the sale of furniture, household goods, hardware and ironmongery
Private Limited Company
Incorporated 28 January 2022
47789 - Other retail sale of new goods in specialised stores (not commercial art galleries and opticians)
Private Limited Company
Incorporated 1 December 2021
47789 - Other retail sale of new goods in specialised stores (not commercial art galleries and opticians)
Private Limited Company
Incorporated 10 June 2021
47190 - Other retail sale in non-specialised stores
Private Limited Company
Incorporated 4 February 2021
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 14 May 2020
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 7 November 2018
56101 - Licensed restaurants
Private Limited Company
Incorporated 9 November 2017
70100 - Activities of head offices
Private Limited Company
Incorporated 18 December 2012
64303 - Activities of venture and development capital companies
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Westminster 019G includes SW3 1ER and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 35 |
| Theft from the person | 33 |
| Anti-social behaviour | 29 |
| Other theft | 28 |
| Public order | 18 |
| Shoplifting | 18 |
| Drugs | 8 |
| Robbery | 7 |
| Vehicle crime | 6 |
| Burglary | 5 |
| Bicycle theft | 3 |
| Other crime | 2 |
| Criminal damage and arson | 1 |
| Possession of weapons | 1 |
Answers use the geographic scope stated with each dataset above.
SW3 1ER 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 SW3 1ER postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.