Use this guide to understand HA3 6LJ 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. Census 2021 records 172 residents and 59 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 | HA3 6LJ |
| Postcode without spaces | HA36LJ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.6058000 |
| Longitude | -0.3540660 |
| British National Grid | 514,079 E, 190,945 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010787 |
| LSOA (2021) | E01002151 |
| MSOA (2021) | E02000438 |
| Electoral ward | E05013549 |
| 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 | 172 |
| Households | 59 |
| Female residents | 91 |
| Male residents | 81 |
| Residents per household | 2.9 |
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.
Land Registry Price Paid Data transactions matched to this exact full postcode.
| Sale date | Address | Property type | Tenure | Price |
|---|---|---|---|---|
| 11 Oct 2024 | 91, COURTENAY AVENUE, HARROW | Terraced | Freehold | £448,000 |
| 30 Sep 2022 | FLAT 1, 157, COURTENAY AVENUE, HARROW | Flat or maisonette | Leasehold | £375,000 |
| 26 Oct 2021 | 149, COURTENAY AVENUE, HARROW | Terraced | Freehold | £442,000 |
| 7 Sep 2021 | 143, COURTENAY AVENUE, HARROW | Semi-detached | Freehold | £555,000 |
Open schools and active GP practices in the HA3 postcode district, ordered by straight-line distance where coordinates are available.
Academy converter
Headstone Lane, Harrow, HA3 6NR
Ages 11–18 · 1,226 pupils of 1,337 capacity
36.0% eligible for free school meals
Voluntary aided school
Long Elmes, Harrow Weald, Harrow, Middlesex, HA3 6LE
Ages 3–11 · 428 pupils of 472 capacity
18.6% eligible for free school meals
Community school
Whittlesea Road, Harrow, HA3 6LS
Ages 3–11 · 339 pupils of 486 capacity
41.1% eligible for free school meals
Community special school
Headstone Lane, Harrow, HA3 6LE
Ages 11–19 · 165 pupils of 175 capacity
43.5% eligible for free school meals
Community special school
Whittlesea Road, Harrow, HA3 6ND
Ages 11–19 · 134 pupils
43.9% eligible for free school meals
B
1 LONG ELMES, HARROW WEALD, HARROW, HA3 5LE
Sixth form centres
Harrow Teachers Centre, Achievement and Inclusion Service, Tudor Road, Harrow, Middlesex, HA3 5PQ
Ages 16–19
B
ENDERLEY ROAD MEDICAL CTR, 41-45 ENDERLEY ROAD, HARROW, HA3 5HF
Academy converter
High Road, Harrow Weald, Harrow, HA3 5DY
Ages 11–16 · 802 pupils of 687 capacity
27.1% eligible for free school meals
Free schools
Brookshill, Harrow Weald, Harrow, Middlesex, HA3 6RR
Ages 4–11 · 356 pupils of 420 capacity
21.1% eligible for free school meals
Academy converter
Whitefriars Avenue, Wealdstone, Harrow, Middlesex, HA3 5RQ
Ages 3–18 · 1,419 pupils of 1,582 capacity
31.6% eligible for free school meals
Pupil referral unit
94 Uxbridge Road, Harrow, Middlesex, HA3 6DH
Ages 5–16 · 46 pupils
45.7% eligible for free school meals
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 28 April 2026
74300 - Translation and interpretation activities
Private Limited Company
Incorporated 10 February 2026
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 9 February 2026
85530 - Driving school activities
Private Limited Company
Incorporated 4 February 2026
82990 - Other business support service activities n.e.c.
Private Limited Company
Incorporated 24 April 2025
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 13 July 2023
74990 - Non-trading company
Private Limited Company
Incorporated 11 September 2021
47750 - Retail sale of cosmetic and toilet articles in specialised stores
Private Limited Company
Incorporated 30 August 2021
73110 - Advertising agencies
Private Limited Company
Incorporated 4 August 2020
41201 - Construction of commercial buildings
Private Limited Company
Incorporated 22 June 2020
59112 - Video production activities
Private Limited Company
Incorporated 22 July 2019
33140 - Repair of electrical equipment
Private Limited Company
Incorporated 27 January 1993
55100 - Hotels and similar accommodation
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 006D includes HA3 6LJ and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 4 |
| Violence and sexual offences | 4 |
| Other theft | 1 |
| Public order | 1 |
Answers use the geographic scope stated with each dataset above.
HA3 6LJ is in Harrow, England.
The Census 2021 postcode-level dataset records 172 residents at HA3 6LJ. This is an exact postcode count.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full HA3 6LJ postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA3 6LJ postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.