Use this guide to understand HA4 6NJ in Hillingdon. 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. Census 2021 records 18 residents and 5 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 | HA4 6NJ |
| Postcode without spaces | HA46NJ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5589300 |
| Longitude | -0.4084580 |
| British National Grid | 510,426 E, 185,650 N |
| Country | England |
| Region | London |
| Local authority | Hillingdon |
| Output Area (2021) | E00176479 |
| LSOA (2021) | E01002495 |
| MSOA (2021) | E02000503 |
| Electoral ward | E05013579 |
| Westminster constituency | E14001558 |
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 | 18 |
| Households | 5 |
| Female residents | 9 |
| Male residents | 9 |
| Residents per household | 3.6 |
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 HA4 postcode district, ordered by straight-line distance where coordinates are available.
B
WEST END ROAD, NORTHOLT, RUISLIP, HA4 6NG
Academy converter
Sidmouth Drive, Ruislip, Middlesex, HA4 0BY
Ages 11–18 · 1,311 pupils of 1,300 capacity
18.7% eligible for free school meals
Community school
Stafford Road, Ruislip, HA4 6PD
Ages 3–11 · 287 pupils of 490 capacity
26.3% eligible for free school meals
B
21 WALNUT WAY, SOUTH RUISLIP, RUISLIP, HA4 6TA
B
69 QUEENS WALK, RUISLIP, HA4 0NT
Community school
Cedar Avenue, Ruislip, HA4 6UJ
Ages 3–11 · 203 pupils of 250 capacity
19.1% eligible for free school meals
Community school
Queens Walk, Ruislip, Middlesex, HA4 0LR
Ages 3–11 · 684 pupils of 568 capacity
15.5% eligible for free school meals
B
118 ELLIOTT AVENUE, RUISLIP, HA4 9LZ
Community school
Dawlish Drive, Ruislip Manor, Ruislip, Middlesex, HA4 9SF
Ages 3–11 · 653 pupils of 630 capacity
18.1% eligible for free school meals
Academy converter
Queens Walk, Ruislip, Middlesex, HA4 0LS
Ages 11–18 · 1,502 pupils of 1,476 capacity
22.7% eligible for free school meals
Voluntary aided school
Hunters Hill, South Ruislip, Ruislip, Middlesex, HA4 9HS
Ages 3–11 · 231 pupils of 240 capacity
6.3% eligible for free school meals
B
1 OXFORD DRIVE, RUISLIP, HA4 9EY
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 24 July 2023
80100 - Private security activities
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Hillingdon 010E includes HA4 6NJ and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 3 |
| Drugs | 3 |
| Vehicle crime | 3 |
| Violence and sexual offences | 2 |
| Other theft | 1 |
Answers use the geographic scope stated with each dataset above.
HA4 6NJ is in Hillingdon, England.
The Census 2021 postcode-level dataset records 18 residents at HA4 6NJ. 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 HA4 6NJ postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.