Use this guide to understand SM4 5LW in Merton. 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 146 residents and 60 households at the exact postcode.
Average sold price£497,98012 exact-postcode transactions
IMD decile5 of 10Containing LSOA · 2025
Vector and Interactive Postcode Maps for SM4 5LW
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Ready-made vector files cover postcode areas, districts and sectors. For a map focused on the full SM4 5LW 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
SM4 5LW
Postcode without spaces
SM45LW
Status
Active postcode
User type
Small user postcode
Introduced
January 1980
Directory version
2026-06
Latitude
51.3984000
Longitude
-0.1939550
British National Grid
525,735 E, 168,144 N
Containing official geographies
Country
England
Region
London
Local authority
Merton
Output Area (2021)
E00017474
LSOA (2021)
E01003453
MSOA (2021)
E02000711
Electoral ward
E05013824
Westminster constituency
E14001371
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
146
Households
60
Female residents
76
Male residents
70
Residents per household
2.4
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.
SM4 5LW Vector Map
A detailed vector map covering a 500 metre radius around the postcode.
500 metre radius
Creating the SM4 5LW 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 SM4. Distances are approximate straight-line distances, not travel distances.
Companies Registered at SM4 5LW
Companies House records whose registered-office address uses this exact postcode.
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 · E01003453
13 recorded incidents
Merton 023E includes SM4 5LW and other nearby postcodes.
Crime type
Incidents
Vehicle crime
3
Violence and sexual offences
3
Anti-social behaviour
2
Other theft
2
Bicycle theft
1
Burglary
1
Public order
1
Crime figures apply to the whole Merton 023E LSOA, not only to SM4 5LW. Locations may be anonymised by the source.
SM4 5LW Questions
Answers use the geographic scope stated with each dataset above.
Where is the SM4 5LW postcode?
SM4 5LW is in Merton, England.
How many people live in SM4 5LW?
The Census 2021 postcode-level dataset records 146 residents at SM4 5LW. This is an exact postcode count.
What do the deprivation figures for SM4 5LW 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 SM4 5LW postcode.
Can I buy a vector map of SM4 5LW?
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SM4 5LW postcode and its approximate address-derived outline, request a custom map.
Other Postcodes in SM4 5
Explore other full postcodes in the same postcode sector.