Find HA1 4JZ in Harrow and explore the information recorded for it. The interactive map shows the postcode’s position and an approximate address-derived outline, with exact-postcode facts and wider neighbourhood statistics clearly identified below. Census 2021 records 12 residents and 4 households at the exact postcode.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | HA1 4JZ |
| Postcode without spaces | HA14JZ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5843800 |
| Longitude | -0.3577420 |
| British National Grid | 513,878 E, 188,557 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010832 |
| LSOA (2021) | E01002161 |
| MSOA (2021) | E02000453 |
| Electoral ward | E05013554 |
| Westminster constituency | E14001271 |
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.
| Residents | 12 |
| Households | 4 |
| Female residents | 7 |
| Male residents | 5 |
| Residents per household | 3.0 |
A detailed vector map covering a 500 metre radius around the postcode.
Deprivation is published for the postcode's containing Lower Layer Super Output Area, a neighbourhood geography covering more than one postcode.
Open schools and active GP practices in the HA1 postcode district, ordered by straight-line distance where coordinates are available.
B
196 PINNER ROAD, HARROW, HA1 4JS
B
33 PINNER VIEW, HARROW, HA1 4QG
Community school
The Gardens, Vaughan Road, West Harrow, Harrow, Middlesex, HA1 4EL
Ages 3–11 · 668 pupils of 630 capacity
17.7% eligible for free school meals
B
97 PINNER ROAD, HARROW, HA1 4ET
B
97 PINNER ROAD, HARROW, HA1 4ET
B
COLBECK ROAD, HARROW, HA1 4BS
B
SAVITA MEDICAL CENTRE, 48 HARROW VIEW, HARROW, HA1 1RQ
B
107 HEADSTONE ROAD, HARROW, HA1 1PG
Community school
Welldon Crescent, Harrow, Middlesex, HA1 1QQ
Ages 3–11 · 641 pupils of 640 capacity
17.4% eligible for free school meals
Community school
Marlborough Hill, Harrow, Middlesex, HA1 1UJ
Ages 3–11 · 651 pupils of 712 capacity
17.2% eligible for free school meals
B
18-20 BETHECAR ROAD, HARROW, HA1 1SE
Free schools alternative provision
73-77 Lowlands Road, Harrow, HA1 3AW
Ages 11–16 · 0 pupils of 100 capacity
0.0% eligible for free school meals
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 021C includes HA1 4JZ and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 8 |
| Violence and sexual offences | 5 |
| Theft from the person | 2 |
| Other theft | 1 |
| Robbery | 1 |
| Vehicle crime | 1 |
Answers use the geographic scope stated with each dataset above.
HA1 4JZ is in Harrow, England.
The Census 2021 postcode-level dataset records 12 residents at HA1 4JZ. This is an exact postcode count.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA1 4JZ postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.