Explore HA1 3JX 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 15 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 3JX |
| Postcode without spaces | HA13JX |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5638500 |
| Longitude | -0.3474440 |
| British National Grid | 514,643 E, 186,291 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010718 |
| LSOA (2021) | E01002133 |
| MSOA (2021) | E02000459 |
| Electoral ward | E05013547 |
| 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 | 15 |
| Households | 4 |
| Female residents | 6 |
| Male residents | 9 |
| Residents per household | 3.8 |
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.
Other independent school
South Hill Avenue, Harrow, Middlesex, HA1 3NU
Ages 4–13 · 467 pupils of 500 capacity
Further education
Mount Park Avenue, Harrow-on-the-Hill, Middlesex, HA1 3HX
Ages 16–18
B
SUDBURY HILL, HARROW, HA1 3RX
B
LANFRANC COURT, GREENFORD ROAD, HARROW, HA1 3QE
Academy converter
Sudbury Hill, Harrow, Middlesex, HA1 3SB
Ages 2–11 · 404 pupils of 420 capacity
5.4% eligible for free school meals
Other independent school
5 High Street, Harrow-on-the-Hill, HA1 3HP
Ages 12–19 · 833 pupils of 837 capacity
B
COLBECK ROAD, HARROW, HA1 4BS
Voluntary aided school
Roxborough Park, Harrow, HA1 3BE
Ages 4–11 · 408 pupils of 420 capacity
7.6% eligible for free school meals
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
B
97 PINNER ROAD, HARROW, HA1 4ET
B
97 PINNER ROAD, HARROW, HA1 4ET
Other independent school
13 Kenton Road, Harrow, Middlesex, HA1 2BW
Ages 11–17 · 60 pupils of 60 capacity
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 7 January 2020
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 2 July 2019
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 3 October 2014
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 13 September 2010
70229 - Management consultancy activities other than financial management
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 027A includes HA1 3JX and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 8 |
| Anti-social behaviour | 6 |
| Vehicle crime | 3 |
| Other theft | 2 |
| Public order | 2 |
| Robbery | 2 |
| Burglary | 1 |
| Drugs | 1 |
| Theft from the person | 1 |
Answers use the geographic scope stated with each dataset above.
HA1 3JX is in Harrow, England.
The Census 2021 postcode-level dataset records 15 residents at HA1 3JX. 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 3JX postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.