Explore HA1 4WJ in Harrow 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 34 residents and 9 households at the exact postcode.
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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
HA1 4WJ
Postcode without spaces
HA14WJ
Status
Active postcode
User type
Small user postcode
Introduced
October 2020
Directory version
2026-06
Latitude
51.5823000
Longitude
-0.3535150
British National Grid
514,176 E, 188,333 N
Containing official geographies
Country
England
Region
London
Local authority
Harrow
Output Area (2021)
E00010838
LSOA (2021)
E01002160
MSOA (2021)
E02000453
Electoral ward
E05013550
Westminster constituency
E14001271
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
34
Households
9
Female residents
20
Male residents
14
Residents per household
3.8
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.
HA1 4WJ Vector Map
A detailed vector map covering a 500 metre radius around the postcode.
500 metre radius
Creating the HA1 4WJ 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 HA1. Distances are approximate straight-line distances, not travel distances.
Crime in the Local LSOA
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Containing LSOA · E01002160
39 recorded incidents
Harrow 021B includes HA1 4WJ and other nearby postcodes.
Crime type
Incidents
Violence and sexual offences
16
Anti-social behaviour
5
Drugs
5
Other theft
3
Burglary
2
Public order
2
Robbery
2
Shoplifting
2
Other crime
1
Vehicle crime
1
Crime figures apply to the whole Harrow 021B LSOA, not only to HA1 4WJ. Locations may be anonymised by the source.
HA1 4WJ Questions
Answers use the geographic scope stated with each dataset above.
Where is the HA1 4WJ postcode?
HA1 4WJ is in Harrow, England.
How many people live in HA1 4WJ?
The Census 2021 postcode-level dataset records 34 residents at HA1 4WJ. This is an exact postcode count.
What do the deprivation figures for HA1 4WJ describe?
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Can I buy a vector map of HA1 4WJ?
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA1 4WJ postcode and its approximate address-derived outline, request a custom map.
Other Postcodes in HA1 4
Explore other full postcodes in the same postcode sector.