Explore SW3 4JX in Kensington and Chelsea through its map and available local datasets. The outline is an approximate boundary derived from address locations, while the information below distinguishes full-postcode records from statistics covering surrounding official areas. Census 2021 records 5 residents at the exact postcode.
Active postcodeLarge user postcodeKensington and Chelsea
Average sold price£54,080,0001 exact-postcode transactions
IMD decile7 of 10Containing LSOA · 2025
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Core details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
Exact postcode record
Postcode details
Postcode
SW3 4JX
Postcode without spaces
SW34JX
Status
Active postcode
User type
Large user postcode
Introduced
June 1981
Directory version
2026-06
Latitude
51.4858700
Longitude
-0.1606150
British National Grid
527,810 E, 177,928 N
Containing official geographies
Country
England
Region
London
Local authority
Kensington and Chelsea
Output Area (2021)
E00014601
LSOA (2021)
E01002901
MSOA (2021)
E02000594
Electoral ward
E05009403
Westminster constituency
E14001160
The red outline is an approximate convex hull generated from geocoded property locations and offset outwards by about 25 metres; it is not an official postcode boundary.
Ward and Constituency
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.
Exact postcode · Census 2021
Residents
5
Female residents
5
Male residents
0
Counts are from the postcode-level Census population and household datasets. They apply to the exact postcode. Detailed local demographic profiles will be labelled separately when Output Area data is added.
SW3 4JX Vector Map
A detailed vector map covering a 500 metre radius around the postcode.
500 metre radius
Creating the SW3 4JX mapThe vector map preview will appear here automatically.
Local Deprivation
Deprivation is published for the postcode's containing Lower Layer Super Output Area, a neighbourhood geography covering more than one postcode.
The search is currently limited to records whose own postcode begins with SW3. Distances are approximate straight-line distances, not travel distances.
Companies Registered at SW3 4JX
Companies House records whose registered-office address uses this exact postcode.
Exact registered postcode
Registered companies2All supplied statuses
Active companies2Companies House status
Active · 16232053
THE DAYWALKERS CIC
Community Interest Company
Incorporated 5 February 2025
59200 - Sound recording and music publishing activities
A registered office can be an accountant, agent or correspondence address. A company listed here does not necessarily trade from this postcode.
Crime in the Local LSOA
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Containing LSOA · E01002901
12 recorded incidents
Kensington and Chelsea 018C includes SW3 4JX and other nearby postcodes.
Crime type
Incidents
Theft from the person
4
Other theft
3
Violence and sexual offences
2
Anti-social behaviour
1
Public order
1
Vehicle crime
1
Crime figures apply to the whole Kensington and Chelsea 018C LSOA, not only to SW3 4JX. Locations may be anonymised by the source.
SW3 4JX Questions
Answers use the geographic scope stated with each dataset above.
Where is the SW3 4JX postcode?
SW3 4JX is in Kensington and Chelsea, England.
How many people live in SW3 4JX?
The Census 2021 postcode-level dataset records 5 residents at SW3 4JX. This is an exact postcode count.
What do the deprivation figures for SW3 4JX describe?
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Are the property prices for the exact postcode?
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full SW3 4JX postcode.
Can I buy a vector map of SW3 4JX?
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SW3 4JX postcode and its approximate address-derived outline, request a custom map.
Other Postcodes in SW3 4
Explore other full postcodes in the same postcode sector.