Use this guide to understand HA1 4JS in Harrow. 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.
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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 4JS |
| Postcode without spaces | HA14JS |
| Status | Active postcode |
| User type | Large user postcode |
| Introduced | September 1991 |
| Directory version | 2026-06 |
| Latitude | 51.5827300 |
| Longitude | -0.3529370 |
| British National Grid | 514,215 E, 188,381 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010837 |
| LSOA (2021) | E01002160 |
| 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.
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
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
33 PINNER VIEW, HARROW, HA1 4QG
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
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
18-20 BETHECAR ROAD, HARROW, HA1 1SE
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 021B includes HA1 4JS 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 |
Answers use the geographic scope stated with each dataset above.
HA1 4JS is in Harrow, England.
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 4JS postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.