Explore HA4 9BL in Hillingdon on an interactive map. See its location and approximate address-derived boundary, then review the exact-postcode facts and wider-area statistics available below. Editable vector files, printed maps and postcode colouring tools are also available. Census 2021 records 36 residents and 33 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 9BL |
| Postcode without spaces | HA49BL |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | July 1995 |
| Directory version | 2026-06 |
| Latitude | 51.5698500 |
| Longitude | -0.4026080 |
| British National Grid | 510,805 E, 186,873 N |
| Country | England |
| Region | London |
| Local authority | Hillingdon |
| Output Area (2021) | E00012049 |
| LSOA (2021) | E01002420 |
| MSOA (2021) | E02000501 |
| Electoral ward | E05013567 |
| Westminster constituency | E14001454 |
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 | 36 |
| Households | 33 |
| Female residents | 21 |
| Male residents | 15 |
| Residents per household | 1.1 |
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
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
B
1 OXFORD DRIVE, RUISLIP, HA4 9EY
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
Newnham Infant and Nursery School, Newnham Avenue, Eastcote, Ruislip, HA4 9RW
Ages 3–7 · 302 pupils of 270 capacity
7.8% eligible for free school meals
Community school
Newnham Avenue, Ruislip, HA4 9RW
Ages 7–11 · 350 pupils of 360 capacity
9.1% eligible for free school meals
B
69 QUEENS WALK, RUISLIP, HA4 0NT
Community school
Field End Road, Eastcote, Ruislip, Middlesex, HA4 9PQ
Ages 2–7 · 265 pupils of 345 capacity
14.3% eligible for free school meals
Academy converter
Field End Junior School, Field End Road, Ruislip, HA4 9PQ
Ages 7–11 · 254 pupils of 360 capacity
26.4% 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
Academy converter
Hume Way, Ruislip, HA4 8EE
Ages 11–18 · 1,218 pupils of 1,245 capacity
13.1% eligible for free school meals
Community school
Old Hatch Manor, Ruislip, Middlesex, HA4 8QG
Ages 3–11 · 441 pupils of 465 capacity
8.7% eligible for free school meals
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Hillingdon 008C includes HA4 9BL and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 3 |
| Anti-social behaviour | 2 |
| Other theft | 1 |
| Vehicle crime | 1 |
Answers use the geographic scope stated with each dataset above.
HA4 9BL is in Hillingdon, England.
The Census 2021 postcode-level dataset records 36 residents at HA4 9BL. 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 9BL postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.