This page brings together the map and available local information for HA1 1JN in Harrow. The boundary shown is an approximation created from address points, and each data section explains whether its figures apply to the full postcode or a wider statistical area.
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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 1JN
Postcode without spaces
HA11JN
Status
Active postcode
User type
Small user postcode
Introduced
August 2024
Directory version
2026-06
Latitude
51.5836800
Longitude
-0.3339930
British National Grid
515,525 E, 188,517 N
Containing official geographies
Country
England
Region
London
Local authority
Harrow
Output Area (2021)
E00010660
LSOA (2021)
E01002129
MSOA (2021)
E02000455
Electoral ward
E05013546
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.
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 · E01002129
134 recorded incidents
Harrow 023C includes HA1 1JN and other nearby postcodes.
Crime type
Incidents
Shoplifting
38
Anti-social behaviour
30
Violence and sexual offences
24
Other theft
9
Theft from the person
9
Public order
5
Vehicle crime
5
Burglary
4
Drugs
4
Robbery
4
Other crime
1
Possession of weapons
1
Crime figures apply to the whole Harrow 023C LSOA, not only to HA1 1JN. Locations may be anonymised by the source.
HA1 1JN Questions
Answers use the geographic scope stated with each dataset above.
Where is the HA1 1JN postcode?
HA1 1JN is in Harrow, England.
What do the deprivation figures for HA1 1JN 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 1JN?
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA1 1JN postcode and its approximate address-derived outline, request a custom map.
Other Postcodes in HA1 1
Explore other full postcodes in the same postcode sector.