Use this guide to understand W1S 1SS 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 3 residents and 2 households at the exact postcode.
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Ready-made vector files cover postcode areas, districts and sectors. For a map focused on the full W1S 1SS postcode or its approximate address-derived outline, ask us about custom digital and printed options.
Core details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
Exact postcode record
Postcode details
Postcode
W1S 1SS
Postcode without spaces
W1S1SS
Status
Active postcode
User type
Small user postcode
Introduced
December 2000
Directory version
2026-06
Latitude
51.5136800
Longitude
-0.1462500
British National Grid
528,729 E, 181,045 N
Containing official geographies
Country
England
Region
London
Local authority
Westminster
Output Area (2021)
E00190391
LSOA (2021)
E01035716
MSOA (2021)
E02000972
Electoral ward
E05013808
Westminster constituency
E14001172
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
3
Households
2
Female residents
2
Male residents
1
Residents per household
1.5
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.
W1S 1SS Vector Map
A detailed vector map covering a 500 metre radius around the postcode.
500 metre radius
Creating the W1S 1SS 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.
IMD decile4 of 101 = most deprived, 10 = least deprived
These figures must not be read as applying only to W1S 1SS. They describe Westminster 013G, the wider LSOA containing the postcode.
Schools and GP Practices Near W1S 1SS
Open schools and active GP practices in the W1S postcode district, ordered by straight-line distance where coordinates are available.
W1S postcode district
School · 0.6 km
Academy21
Online provider
3 Burlington Gardens, London, W1S 3EP
Ages 9–16
The search is currently limited to records whose own postcode begins with W1S. Distances are approximate straight-line distances, not travel distances.
Companies Registered at W1S 1SS
Companies House records whose registered-office address uses this exact postcode.
Exact registered postcode
Registered companies1All supplied statuses
Active companies1Companies House status
Active · 02362577
R.M. WILLIAMS (UK) LIMITED
Private Limited Company
Incorporated 17 March 1989
47710 - Retail sale of clothing in specialised stores
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 · E01035716
712 recorded incidents
Westminster 013G includes W1S 1SS and other nearby postcodes.
Crime type
Incidents
Shoplifting
183
Theft from the person
137
Other theft
134
Anti-social behaviour
85
Violence and sexual offences
76
Robbery
28
Drugs
20
Vehicle crime
16
Public order
14
Burglary
9
Bicycle theft
6
Other crime
3
Criminal damage and arson
1
Crime figures apply to the whole Westminster 013G LSOA, not only to W1S 1SS. Locations may be anonymised by the source.
W1S 1SS Questions
Answers use the geographic scope stated with each dataset above.
Where is the W1S 1SS postcode?
W1S 1SS is in Westminster, England.
How many people live in W1S 1SS?
The Census 2021 postcode-level dataset records 3 residents at W1S 1SS. This is an exact postcode count.
What do the deprivation figures for W1S 1SS describe?
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Can I buy a vector map of W1S 1SS?
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full W1S 1SS postcode and its approximate address-derived outline, request a custom map.
Other Postcodes in W1S 1
Explore other full postcodes in the same postcode sector.