Use this guide to understand B31 3XJ in Birmingham. 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 42 residents and 21 households at the exact postcode.
Average sold price£310,0002 exact-postcode transactions
IMD decile7 of 10Containing LSOA · 2025
Vector and Interactive Postcode Maps for B31 3XJ
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Ready-made vector files cover postcode areas, districts and sectors. For a map focused on the full B31 3XJ 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
B31 3XJ
Postcode without spaces
B313XJ
Status
Active postcode
User type
Small user postcode
Introduced
January 1983
Directory version
2026-06
Latitude
52.4069800
Longitude
-1.9543210
British National Grid
403,204 E, 278,774 N
Containing official geographies
Country
England
Region
West Midlands
Local authority
Birmingham
Output Area (2021)
E00046750
LSOA (2021)
E01009211
MSOA (2021)
E02001946
Electoral ward
E05011152
Westminster constituency
E14001097
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
42
Households
21
Female residents
20
Male residents
22
Residents per household
2.0
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.
B31 3XJ Vector Map
A detailed vector map covering a 500 metre radius around the postcode.
500 metre radius
Creating the B31 3XJ 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 B31. Distances are approximate straight-line distances, not travel distances.
Companies Registered at B31 3XJ
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 · E01009211
5 recorded incidents
Birmingham 120C includes B31 3XJ and other nearby postcodes.
Crime type
Incidents
Criminal damage and arson
2
Other theft
1
Possession of weapons
1
Violence and sexual offences
1
Crime figures apply to the whole Birmingham 120C LSOA, not only to B31 3XJ. Locations may be anonymised by the source.
B31 3XJ Questions
Answers use the geographic scope stated with each dataset above.
Where is the B31 3XJ postcode?
B31 3XJ is in Birmingham, England.
How many people live in B31 3XJ?
The Census 2021 postcode-level dataset records 42 residents at B31 3XJ. This is an exact postcode count.
What do the deprivation figures for B31 3XJ 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 B31 3XJ postcode.
Can I buy a vector map of B31 3XJ?
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full B31 3XJ postcode and its approximate address-derived outline, request a custom map.
Other Postcodes in B31 3
Explore other full postcodes in the same postcode sector.